Operation Manual
EN
Main features
Contents
Main features ............................................2
Panel Controls and Terminals ................3
Front Panel ..........................................................3
Rear Panel ...........................................................5
Software ....................................................6
Yamaha Steinberg USB Driver ............................6
dspMixFx UR-C....................................................8
Dedicated Windows for Cubase Series .............13
Sweet Spot Morphing Channel Strip..................16
REV-X ................................................................18
Guitar Amp Classics ..........................................20
Using with a Computer ..........................23
Connection Example ..........................................23
Configuring Audio Driver Settings on the DAW
Software.............................................................24
Recording/Playback ...........................................25
Using with an iOS/iPad OS Device .......27
Connection Example ..........................................27
Recording/Playback ...........................................28
Main features
2 x 4 USB 3.0 Audio Interface with
2 x D-PRE and 32-bit/192 kHz support
The UR24C is a 2-in and 4-out USB 3.0 audio
interface, featuring two world-renowned D-PRE
microphone preamps and a 192 kHz and 32-bit
audio quality that captures all the subtleties and
expressiveness of any audio source.
True 32-bit resolution
The UR24C and the Yamaha Steinberg USB Driver
support the 32-bit Integer format which can
represent audio data in higher resolution compared
to the Float format.
Together with a DAW like Cubase being able to fully
utilize the 32-bit Integer data, music production with
unprecedented audio resolution can be realized.
USB 3.0 & USB Type-C
The UR24C is equipped with a USB Type-C port and
features the USB 3.0 (USB 3.1 Gen 1) SuperSpeed
mode. It also provides full compatibility with the
USB 2.0 High-Speed mode and includes a Type-C
to Type-A cable.
Monitor Mode..........................................30
How to switch the monitor mode ........................30
How to use the slide switch and MIX knob ........30
Troubleshooting.....................................31
Appendix.................................................33
Limitations on the Use of Effects .......................33
Computer Connector Types ...............................33
Signal Flows.......................................................34
Block Diagrams ..................................................35
General Specifications .......................................37
Technical Specifications ....................................38
Uninstalling TOOLS for UR-C ............................39
dspMixFx
The dspMixFx technology is powered by the latest
SSP3 DSP chip and offers latency-free monitoring
with the highly acclaimed DSP effects, including
REV-X reverb, for users of any DAW software.
Monitor Mode (DAW/DJ)
The UR24C has switchable monitor modes (DAW/
DJ) for the headphones output.
UR24C Operation Manual 2
Panel Controls and Terminals
#
XLR-type (balanced)
Phone-type (balanced)
Phone-type (unbalanced)
Front Panel
Panel Controls and Terminals
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5
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1 [INPUT 1 HI-Z] switch
Switches the input impedance (on O/off N). Turn this
switch on when connecting high impedance instruments,
such as an electric guitar or electric bass, directly to the
[MIC/LINE 1] jack. When you turn this switch on, use an
unbalanced phone plug for connection between the
instruments and the [MIC/LINE 1] jack.
CAUTION
To protect your speaker system, leave the
monitor speakers turned off when turning the
[INPUT 1 HI-Z] switch on/off. Turn all output level
controls down to their minimum. Neglect of
these precautions may result in loud noise
bursts that may damage your equipment, your
ears, or both.
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9
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@
!
$
Plug types
4 [PEAK] indicator
Lights up when the input signal of the [MIC/LINE 1/2]
jacks is 3 dB below the clipping level.
Setting optimum recording levels
Adjust the [INPUT GAIN] knobs so that the [PEAK]
indicator flashes briefly at the loudest input volume.
NOTICE
Do not connect or disconnect any cables while turning on the
[INPUT 1 HI-Z] switch. Doing so can damage the connected
device and/or the unit itself.
NOTE
• If you use a balanced phone plug, the device will not work
correctly.
• When the HI-Z switch is turned on, the signal from the XLRtype is cut off.
2 [MIC/LINE 1] jack
For connection to a microphone, digital instrument,
electric guitar, or electric bass. This jack can be
connected to both XLR-type and phone-type (balanced/
unbalanced) plugs.
NOTE
The phantom power will be supplied to the XLR jack connected
to the [MIC/LINE 1] jack.
3 [MIC/LINE 2] jack
For connection to a microphone or digital instrument. This
jack can be connected to both XLR-type and phone-type
(balanced/unbalanced) plugs.
NOTE
The phantom power will be supplied to the XLR jack connected
to the [MIC/LINE 2] jack.
5 [+48V] indicator
Lights up when the [+48V] switch (phantom power) is
turned on.
6 [USB] indicator
Lights up when the power is turned on and the unit is
communicating with the computer or an iOS/iPadOS
device. The indicator flashes continuously when the
computer or an iOS/iPadOS device does not recognize
the device.
7 [INPUT GAIN 1/2] knobs
Adjusts the input signal level of the [MIC/LINE 1/2] jacks.
8 [+48V] switch
Turns the phantom power (on O/off N). When you turn this
switch on, phantom power will be supplied to the XLR jack
connected to the [MIC/LINE 1/2] jacks. Turn this switch on
when using a phantom powered condenser microphone.
NOTICE
When using phantom power, observe the following to prevent
noise and possible damage to UR24C or connected
equipment.
• Do not connect or disconnect any devices while the
phantom power switch is turned to ON.
• Set all output level controls to the minimum before turning
the phantom power switch to ON or OFF.
• When connecting devices not requiring phantom power to
the [MIC/LINE 1/2] jacks, make sure to turn the phantom
power switch to OFF.
UR24C Operation Manual 3
NOTE
When the phantom power switch is turned on and off, all inputs/
outputs will be muted for a few seconds.
9 [MIX] knob
Adjusts the volume balance of the output signal. The
function varies depending on the monitor mode settings.
Refer to the section “Monitor Mode” (page 30).
) Slide switch
Switches the sound to be monitored with headphones.
The function varies depending on the monitor mode
settings. Refer to the section “Monitor Mode” (page 30).
! [PHONES] jack
For connection to a set of stereo headphones.
@ [PHONES] knob
Adjusts the output signal level of the [PHONES] jack.
# [OUTPUT] knob
Adjusts the output signal level of the [MAIN OUTPUT]
jack.
Panel Controls and Terminals
$ POWER indicator
Lights up when the power is turned on. When the monitor
mode is set to DAW, this lights in white; when the monitor
mode is set to DJ, this lights in red. The indicator flashes
continuously if the power supply is insufficient. In this
case, use the USB power adapter or USB mobile battery.
UR24C Operation Manual 4
Rear Panel
Panel Controls and Terminals
3412 5 6 7
1 [POWER SOURCE] switch
For selecting the port for supplying power to the
UR24C.To supply bus power via the [USB 3.0] port, set
this switch to the [USB 3.0] side. To supply power via the
[5V DC] port, set this switch to the [5V DC] side.
2 [5V DC] port
For connecting a USB power adapter or USB mobile
battery. This port can be connected to 5-pin micro USB
plug. Use a power supply when connecting the UR24C to
a device that does not supply sufficient bus power, such
as an iPad. (The UR24C does not include a USB power
adapter or USB mobile battery.)
NOTICE
• Read the safety precautions for the USB power adapter or
USB mobile battery that you use.
• Use a USB power adapter or USB mobile battery that can
supply power in compliance with USB standards with a
5-pin micro USB plug.
Output voltage 4.8 V to 5.2 V
Output current 0.9 A or greater
Using the [5V DC] port
Even when the UR24C is connected to a computer, you
can supply power via the [5V DC] port by external
power supply if the [POWER SOURCE] switch is set to
the [5V DC] side. This can be used to avoid power
supply problems. For example, ground loops due to
differences in voltage potential can occur if the device
connected to the UR24C is using the same power outlet
as the computer, and audio quality degradation can
occur if the power supply from the computer’s USB port
is not stable.
4 [MIDI OUT] jack
For connection to the MIDI IN jack of the MIDI device.
Transmits MIDI signals from the computer.
5 [MIDI IN] jack
For connection to the MIDI OUT jack of the MIDI device.
Receives and inputs MIDI signals to the computer.
NOTE
• Select [Steinberg UR24C-port1] for the MIDI port when using a
MIDI jack with an iOS/iPadOS app. Please note that [Steinberg
UR24C-port2] is not available.
• Do not activate dspMixFx UR-C when using a MIDI jack. This
may interfere with stable data transmission/reception.
6 [LINE OUTPUT 1L/1R/2L/2R] jacks
For connection to external devices or monitor speakers
These outputs any stereo output. These jacks can be
connected to RCA pin type (unbalanced) plugs.
7 [MAIN OUTPUT L/R] jacks
For connection to monitor speakers. These jacks can be
connected to phone-type (balanced) plugs. To adjust the
output signal level, use the [OUTPUT] knob on the front
panel.
3 [USB 3.0] port
For connection to a computer or an iOS/iPadOS device.
NOTICE
When connecting to a computer with a [USB 3.0] port,
observe the following to prevent the computer from freezing
or shutting down, as well as corruption or even loss of data.
• Before connecting/disconnecting the USB cable, be sure to
quit all open software applications on the computer.
• Wait at least six seconds between connecting/
disconnecting the USB cable.
NOTE
Apple accessories may be required when connecting the UR24C
with an iOS/iPadOS device. For details, refer to the UR24C
Startup Guide.
UR24C Operation Manual 5
Software
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This section explains software operations for using the UR24C with a computer.
Software
Yamaha Steinberg USB Driver
Yamaha Steinberg USB Driver is a software program that
allows communication between the UR24C and a
computer. In Control Panel, you can configure the basic
settings for the audio driver (Windows) or confirm the
audio driver information (Mac).
How to Open the Window
Windows
• From the start menu, select [Yamaha Steinberg USB
Driver] [Control Panel].
• From the Cubase series menu, select [Studio] [Studio
Setup] [Yamaha Steinberg USB ASIO] [Control
Panel].
Click the upper tabs to select the desired window.
Mac
• Select [Application] [Yamaha Steinberg USB Control
Panel].
• From the Cubase series menu, select [Studio] [Studio
Setup] [Steinberg UR24C] or [Steinberg UR24C
(High Precision)] [Control Panel] [Open Config
App].
1 Sample Rate
Lets you select the sample rate of the device.
Settings: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz,
192 kHz
NOTE
The available sample rates may differ depending on the
particular DAW you’re using.
2 USB Mode
Lets you select the USB mode. The default setting is
SuperSpeed (USB 3.1 Gen 1) mode.
Settings: SuperSpeed (USB 3.1 Gen 1), High-Speed (USB 2.0)
NOTE
• If High-Speed (USB 2.0) mode is used, the data bandwidth will
become narrower, but this will not affect the functionality of the
UR24C. Other performance values such as latency will not
change.
• USB mode cannot be selected while Cubase or dspMixFx
UR-C is running.
ASIO Window (Windows only)
For selecting the ASIO driver settings.
Steinberg UR24C Windows
These windows are for selecting the sample rate and the
USB mode.
Windows
Mac
1 Device
Lets you select the device for use with the ASIO driver.
This function is available when connecting two or more
devices that are compatible with the Yamaha Steinberg
USB Driver to the computer.
2 Mode
Lets you select the latency mode.
Settings: Low Latency, Standard, Stable
Sample Rate Descriptions
Low Latency Low latency mode. High-performance
computer is required.
Standard Standard latency mode.
Stable High latency mode. This prioritizes
stability for low-performance computer
and high-load projects.
UR24C Operation Manual 6
Software
3 Buffer Size
Lets you select the buffer size for the ASIO driver. The
range varies depending on the specified sample rate. The
lower the value of the ASIO buffer size, the lower the value
of audio latency.
Sample Rate Range
44.1 kHz / 48 kHz 32 Samples – 2048 Samples
88.2 kHz / 96 kHz 64 Samples – 4096 Samples
176.4 kHz / 192 kHz 128 Samples – 8192 Samples
4 Input Latency/Output Latency
Indicates the latency (delay time) for the audio input and
output in millisecond units.
About Window
Indicates the version and copyright information of the
audio driver.
How to select the sample rate (Mac)
You can select the sample rate in the [Audio MIDI
Setup] window. Select the sample rate from the
[Applications] [Utilities] [Audio MIDI Setup]
[Format] menu.
How to select the buffer size (Mac)
You can select the buffer size in the settings window for
each application (DAW software, etc.).
From the Cubase series menu, select [Studio]
[Studio Setup], then click [Control Panel] in [Steinberg
UR24C] or [Steinberg UR24C (High Precision)] in the
menu on the left side of the window.
The method for opening the settings window is different
for each application.
Using with 32-bit Integer processing (Mac)
[Steinberg UR24C] or [Steinberg UR24C (High
Precision)] is shown in the [ASIO Driver] setting on the
Cubase series program. Select [Steinberg UR24C
(High Precision)] when processing at 32-bit integer
resolutions between Cubase and the driver.
UR24C Operation Manual 7
Software
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dspMixFx UR-C
This software is for operating the convenient built-in DSP
mixer and DSP effects. The DSP mixer allows you to mix
up to two input channels down to one stereo output. A
number of DSP effects for processing the input signals are
also provided, and since the processing/mixing is
hardware-based, there is no monitoring latency.
Screenshot
Menu Descriptions
Import Scene Imports a scene from the settings file of
dspMixFx UR-C. Select the desired settings
file of dspMixFx UR-C and import the desired
scene on the left side of the [IMPORT SCENE]
window. The window appears after the file is
selected in the file selection dialog. Select the
destination for importing on the right side of
the window. Click [OK] to import it.
Initialize All
Scenes
Initialize all the saved scenes.
4 Scene
Indicates the scene name. You can change the scene
name by clicking on it. Clicking the button on the right
opens the window for calling up other scenes. Call up the
desired scene by clicking it. To cancel calling up the
scene, click outside of the window.
5 Store
Opens the Scene Store window. Enter the desired scene
name into the STORE NAME field. Select the destination
for storing the scene in the No. NAME field. Click [OK] to
store the scene.
How to Open the Window
Windows
[All Programs] or [All apps] [Steinberg UR-C]
[dspMixFx UR-C]
Mac
[Application] [dspMixFx UR-C]
Tool Area
This is the area for configuring the overall common
settings of dspMixFx UR-C.
1 Quit
Quits dspMixFx UR-C.
2 Minimize
Minimizes the dspMixFx UR-C window.
6 Selecting windows
Selects the desired dspMixFx UR-C window. The selected
window icon lights in green.
Menu Description
Meter window
Main window
Setup window
Indicates the monitor mode settings.
DAW: white
DJ: red
Clicking this opens the Setup window.
3 File
Provides four different menus for various settings.
Menu Descriptions
Open Opens the settings file of dspMixFx UR-C.
Save Saves the settings file of dspMixFx UR-C to a
computer.
UR24C Operation Manual 8
Software
Channel Area (page 9)
Mix Area (page 11)
DAW Area
(page 10)
MASTER Area (page 11)
REV-X Area(page 10)
Output Area (page 11)
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Main Window
This window is for configuring the entire signal flow.
Channel Area
This is the area for configuring the input channel settings.
3 +48V
Indicates the on/off status of the phantom power function
of the device.
4 High Pass Filter
Turns on (lit) and off (unlit) the high pass filter. To select
the cutoff frequency of the high pass filter, use the “Setup
Window” (page 12) in the section “dspMixFx UR-C.”
5 Phase
Turns on (lit) and off (unlit) the phase inversion of the
signal.
6 FX REC
Turn the FX REC (effect recording) on and off.
Settings Description
On (lit) Applies an effect to both the monitor signal
(sent to the device) and the recording signal
(sent to the DAW software).
Off (unlit) Applies an effect to only the monitor signal
(sent to the device).
7 Effect On/Off
Turns the Effect on (lit) and off (unlit).
8 Effect Edit
Opens (lit) and closes (unlit) the selected effect setup
window.
1 Channel Link
Turns on (lit) and off (unlit) the channel link function of two
adjacent channels. When this is on, two mono channels
will become one stereo channel.
9 Effect Type
Selects the effect type.
Options: No Effect, Ch.Strip, Clean, Crunch, Lead, Drive
NOTE
The maximum number of Channel Strip and Guitar Amp Classics
iterations which can be used simultaneously is limited. Refer to
the “Limitations on the use of effects” (page 33).
) REV-X Send
Adjusts the signal level which is sent to REV-X.
Range: -∞ dB – +6.00 dB
! REV-X Send Value
Displays and adjusts the REV-X send value. Enable
editing of the value by double clicking the number.
2 Level Meter
Indicates the signal level.
UR24C Operation Manual 9
Software
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DAW Area
This is the area for configuring the DAW channel settings.
1 Level Meter
Indicates the signal level.
REV-X Area
This is the area for configuring the REV-X channel
settings.
1 Level Meter
Indicates the signal level.
2 REV-X Edit
Opens (lit) and closes (unlit) the “REV-X” (page 18) setup
window.
3 REV-X Type
Selects the REV-X type.
Options: Hall, Room, Plate
4 REV-X Time
Adjusts the reverb time of REV-X. This parameter links to
Room Size. The adjustable range varies depending on
REV-X type.
REV-X Type Range
Hall 0.103 sec – 31.0 sec
Room 0.152 sec – 45.3 sec
Plate 0.176 sec – 52.0 sec
5 REV-X Time Value
Displays and adjusts the REV-X Time value. Enable
editing of the value by double clicking the number.
6 REV-X Return
Adjusts the return level of REV-X.
7 REV-X Return Value
Displays and adjusts the REV-X Return value. Enable
editing of the value by double clicking the number.
UR24C Operation Manual 10
Software
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1
1
Monitor mode DAW Monitor mode DJ
UR24C
BGM
Deliver
1
MASTER Area
This is the area for configuring the master channel
settings.
1 Level Meter
Indicates the signal level.
2 Loop Back
Turns the Loopback function on (lit) and off (unlit).
Output Area
This section indicates the output signal level of the Output
area.
1 Level Meter
Indicates the signal level.
MIX Area
This section indicates the MIX object. It is normally set to
on.
What is Loopback?
Loopback is a convenient function for broadcasting
over the Internet. It mixes the input audio signals (such
as microphone and guitar) with the audio signals
playing back in the software in the computer into two
channels in the UR24C, and sends them back to the
computer. Refer to the section “Signal Flow” (page 34).
If the Loopback function is on while you are monitoring
input signals from the UR24C via DAW software, it will
cause loud noise. This is because an infinite loop of the
audio signal is generated between the UR24C and the
DAW software. When using the loopback function, turn
off the monitor functions on your DAW software.
3 MIX
Monitor mode DAW
Indicates the volume balance status of the input signal
adjusted with the [MIX] knob on the device and the output
signal from software such as a DAW.
Monitor mode DJ
Adjust the volume balance between the input signal and
the output signal from software such as a DAW.
UR24C Operation Manual 11
Software
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Meter Window
This window is for showing the meter at the top of the Main
window.
1 Level Meter
Indicates the signal level. Peak hold is normally set to on.
Display color Description
Green Up to 18 dB
Yellow Up to 0 dB
Red CLIP
4 Monitor Mode
Switches the mode settings.
Options: DAW, DJ
5 Zoom
Changes the window size.
Options: 100%, 150%, 200%, 250%, 300%
6 Knob Mode
Selects the method of operating the knobs on dspMixFx
UR-C.
Settings Description
Circular Drag in a circular motion to increase and
decrease the parameter. Drag on a dial
clockwise to increase, and counterclockwise
to decrease. If you click any point on the
knob, the parameter will jump there instantly.
Linear Drag in a linear motion to increase and
decrease the parameter. Drag upward or
rightward to increase, and downward or
leftward to decrease. Even if you click any
point on the knob, the parameter will not jump
there.
7 About
Indicates the version of the firmware and software.
Setup Window
This window is for configuring the common settings of the
device.
1 Device
Selects the device when simultaneously connecting one
or more devices that are capable with dspMixFx UR-C.
2 Device Settings
Opens the Control Panel.
3 HPF Setting
Selects the cutoff frequency of the high pass filter.
Options: 120 Hz, 100 Hz, 80 Hz, 60 Hz, 40 Hz
UR24C Operation Manual 12
Software
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4
Dedicated Windows for Cubase Series
These are the windows for configuring the device settings
from Cubase series software. The dedicated windows for
Cubase series allow you to configure the parameters
which are configured by dspMixFx UR-C. Two types of
windows are available: Input Settings and Hardware
Setup.
Screenshot
Input Settings Window
Input Settings Window
This window is for configuring the input settings of the
device. The signal flow is from top to bottom. The settings
on this window (except for the +48V indicator) are saved
to the Cubase project file. The Input Settings Window is
displayed on the audio track routing as UR24C.
Header area
Display the name of the connected device and open the
Editor.
1 model
Displays the model name (UR24C) in use. Switch between
displayed or not displayed for the Input Settings Window
by clicking it.
2 Hardware setup
Opens the Hardware Setup Window.
3 Editor Active
Opens dspMixFx UR-C.
Hardware Setup Window
How to Open the Window
Input Settings Window
From the Cubase series menu, select [Project] [Add
track] [Audio] to create an audio track and then click
the [UR24C] tab on the inspector on the left side.
Hardware Setup Window
From the Cubase series menu,
• Select [Studio] [Studio Setup], then select the
[Steinberg UR-C] on the [Steinberg I/O] on the left side.
• From Input Settings Window, click [ ]
Hardware Inputs Settings area
This area is used to set parameters related to the UR24C
inputs.
1
2
3
5
1 Port name
Displays the name of the port which is being used for
input to the track of the device.
2 +48V
Indicates the on (lit) and off (unlit) status of the phantom
power function of the device.
3 Input meter
Displays input levels.
4 Meter Clip
Displays the input meter clip when clipping occurs. Click
this to stop this display.
5 High Pass Filter
Turns on (lit) and off (unlit) the high pass filter. To select
the cutoff frequency of the high pass filter, use the
“Hardware Setup Window” (page 15) in the section
“dspMixFx UR-C.”
6 Phase
Switches phase inversion on (lit) and off (unlit). Shows L, R
when stereo is selected.
6
UR24C Operation Manual 13
Software
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Effect Settings area
This area is used to set parameters related to the UR24C
input/output port effects.
1 Pre/Post
Used to select the insertion point for the effect.
2 Effect Name
Displays the names of the applied effects.
3 Effect Bypass
Enables/bypasses the effect.
4 Effect Edit
Displays the Effect Edit window.
Outputs area
This area is used to set parameters related to hardware
outputs.
1 Output name
Displays the output name of the hardware output.
2 Output meter
Displays meters for the hardware Mix Bus connected to
hardware outputs.
3 Meter Clip
Displays the output meter clip when clipping occurs. Click
this to stop this display.
5 Effect Type
Selects the effect type.
Settings: No Effect, Morphing Ch Strip ([m] or [s]), GA Classics -
CLEAN, GA Classics - CRUNCH, GA Classics - LEAD,
GA Classics - DRIVE
NOTE
The maximum number of Channel Strip and Guitar Amp Classics
iterations which can be used simultaneously is limited. Refer to
the “Limitations on the Use of Effects” (page 33).
6 REV-X Send
Adjusts the signal level which is sent to REV-X.
Range: -∞ dB – +6.00 dB
7 REV-X Name
Displays the selected REV-X type.
8 REV-X Edit
Opens the “REV-X” (page 18) setup window.
9 REV-X Type
Selects the REV-X type.
Settings: Hall, Room, Plate
UR24C Operation Manual 14
Hardware Setup Window
This window allows you to configure general hardware
settings and Cubase-linked function settings.
1 model
Displays the name of the device.
2 HPF
Selects the cutoff frequency of the high pass filter.
Settings: 120 Hz, 100 Hz, 80 Hz, 60 Hz, 40 Hz
Software
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3 Scene
Automatically applies scene information to the UR24C
device when loading a Cubase project file containing
UR24C scene data.
NOTICE
Data saved to the device will be overwritten.
4 Channel Link
Automatically configures stereo links based on the bus
configuration in use.
UR24C Operation Manual 15
Software
Sweet Spot Morphing Channel Strip
The Sweet Spot Morphing Channel Strip (“Channel Strip”
for short) is a multi-effect that combines compression and
EQ. Advanced sound engineering know-how is
condensed into a number of convenient presets that can
be simply and instantly recalled, for professional results.
Two channel strips are provided, and each can be
assigned to the monitor sound only, or to both the monitor
and recorded sound. The Channel Strip equipped with the
device and the Channel Strip of the VST Plug-in version
have the same parameters. When using the Channel Strip
on Cubase series programs, you can share the settings
between the built-in Channel Strip and the Channel Strip
of the VST Plug-in version as a preset file. Also, when
assigning the Channel Strip of the VST Plug-in version to
the effect slot on Cubase series programs, select it from
the [Dynamics] category (in the case of the default
settings).
Screenshot
Common to Compressor and Equalizer
1 MORPH
Adjusts the parameter of the Sweet Spot Data. You can
simultaneously adjust the compressor and equalizer
settings which are set to five points around this knob by
turning this knob. When you set the knob between two
adjacent points, the compressor and equalizer settings
will be set to an intermediate value.
2 Sweet Spot Data
Selects the Sweet Spot Data.
How to Open the Window
From Dedicated Windows for Cubase Series
Select the “Channel Strip” from the “Effect Type”, then
click “Channel Strip Edit” in the section “Input Settings
Window” (page 14).
From dspMixFx UR-C
Select the “Channel Strip” from the “Effect Type”, then
click “Channel Strip Edit” in the section “Channel Area”
(page 9).
3 TOTAL GAIN
Adjusts the total gain of the Channel Strip.
Range: -18.0 dB – +18.0 dB
4 Level Meter
Indicates the output level of the Channel Strip.
Compressor
1 ATTACK
Adjusts the attack time of the compressor.
Range: 0.092 msec – 80.00 msec
2 RELEASE
Adjusts the release time of the compressor.
Range: 9.3 msec – 999.0 msec
UR24C Operation Manual 16
Software
3 RATIO
Adjusts the release time of the compressor.
Range: 1.00 – ∞
4 KNEE
Selects the knee type of the compressor.
Settings Description
SOFT Produces the most gradual change.
MEDIUM Results in a setting midway between SOFT
and HARD.
HARD Produces the sharpest change.
5 SIDE CHAIN Q
Adjusts the band width of the side chain filter.
Range: 0.50 – 16.00
6 SIDE CHAIN F
Adjusts the center frequency of the side chain filter.
Range: 20.0 Hz – 20.0 kHz
7 SIDE CHAIN G
Adjusts the gain of the side chain filter.
Range: -18.0 dB – +18.0 dB
8 COMPRESSOR On/Off
Turns the compressor on (lit) and off (unlit).
9 Compressor Curve
This graph indicates the approximate compressor
response. The vertical axis indicates the output signal
level, and the horizontal axis indicates the input signal
level.
Equalizer
1 Equalizer Curve
This graph indicates the characteristics of the 3-band
equalizer. The vertical axis indicates the gain, and the
horizontal axis indicates the frequency. You can adjust
LOW, MID, and HIGH by dragging each handle in the
graph.
2 LOW F
Adjusts the center frequency of the low band.
Range: 20.0 Hz – 1.00 kHz
3 LOW G
Adjusts the band width of the middle band.
Range: -18.0 dB – +18.0 dB
) Gain Reduction Meter
Indicates the gain reduction.
! DRIVE
Adjusts the degree to which the compressor is applied.
The higher the value, the greater the effect.
Range: 0.00 – 10.00
4 MID Q
Adjusts the band width of the middle band.
Range: 0.50 – 16.00
5 MID F
Adjusts the center frequency of the middle band.
Range: 20.0 Hz – 20.0 kHz
6 MID G
Adjusts the gain of the middle band.
Range: -18.0 dB – +18.0 dB
7 HIGH F
Adjusts the center frequency of the high band.
Range: 500.0 Hz – 20.0 kHz
8 HIGH G
Adjusts the gain of the high band.
Range: -18.0 dB – +18.0 dB
9 EQUALIZER On/Off
Turns the equalizer on (lit) and off (unlit).
UR24C Operation Manual 17
Software
REV-X
REV-X is a digital reverb platform developed by Yamaha
for pro audio applications. One REV-X effect is included in
this unit. Input signals can be sent to the REV-X effect, and
the REV-X effect is applied only to the monitor outputs.
Three types of REV-X are available: Hall, Room, and Plate.
The hardware REV-X equipped with the device and REV-X
of the VST Plug-in version have essentially the same
parameters. However, the [OUTPUT] and [MIX]
parameters are only available in the VST Plug-in version.
When using REV-X on Cubase series programs, you can
share the settings between the built-in REV-X and REV-X
of the VST Plug-in version as a preset file. Also, when
assigning REV-X of the VST Plug-in version to the effect
slot on Cubase series programs, select it from the
[Reverb] category (in the case of the default settings).
Screenshot
REV-X
This section uses the Hall type of REV-X as an example.
1 Reverb Time
Adjusts the reverb time. This parameter links to Room
Size. The adjustable range varies depending on the REVX type.
How to Open the Window
From Dedicated Windows for Cubase Series
Click “REV-X Edit” (page 14) in the section “Effect Settings
area.”
From dspMixFx UR-C
Click “REV-X Edit” (page 10) in the section “REV-X Area.”
REV-X type Range
Hall 0.103 sec – 31.0 sec
Room 0.152 sec – 45.3 sec
Plate 0.176 sec – 52.0 sec
2 Initial Delay
Adjusts the time that elapses between the direct, original
sound and the initial reflections that follow it.
Range: 0.1 msec – 200.0 msec
3 Decay
Adjusts the characteristic of the envelope from the
moment the reverberation starts to the moment it
attenuates and stops.
Range: 0 – 63
4 Room Size
Adjusts the size of the simulated room. This parameter
links to Reverb Time.
Range: 0 – 31
5 Diffusion
Adjusts the spread of the reverberation.
Range: 0 –10
6 HPF
Adjusts the cutoff frequency of the high pass filter.
Range: 20 Hz – 8.0 kHz
7 LPF
Adjusts the cutoff frequency of the low pass filter.
Range: 1.0 kHz – 20.0 kHz
UR24C Operation Manual 18
8 Hi Ratio
Adjusts the duration of reverberation in the high frequency
range by using a ratio relative to the Reverb Time. When
you set this parameter to 1, the actual specified Reverb
Time is fully applied to the sound. The lower the value, the
shorter the duration of reverberation in the high frequency
range.
Range: 0.1 – 1.0
9 Low Ratio
Adjusts the duration of reverberation in the low frequency
range by using a ratio relative to the Reverb Time. When
you set this parameter to 1, the actual specified Reverb
Time is fully applied to the sound. The lower the value, the
shorter the duration of reverberation in the low frequency
range.
Range: 0.1 – 1.4
) Low Freq
Adjusts the frequency of the Low Ratio.
Range: 22.0 Hz – 18.0 kHz
! OPEN/CLOSE
Opens and closes the window for adjusting the reverb
settings.
Software
@ Graph
Indicates the characteristics of reverberation. The vertical
axis indicates the signal level, the horizontal axis indicates
the time, and the Z-axis indicates the frequency. You can
adjust the characteristics of reverberation by dragging the
handles in the graph.
# Time Axis Setting
Select the display range of the time (horizontal axis) on
the graph.
Display range: 500 msec – 50 sec
$ Zoom Out
Zooms out the display range of the time (horizontal axis)
on the graph.
% Zoom In
Zooms in the display range of the time (horizontal axis) on
the graph.
Software operation
• You can reset certain parameters to their default
values by holding the [Ctrl]/[command] key while you
click on the appropriate knobs, sliders, and faders.
• You can adjust the parameters more finely by holding
the [SHIFT] key while you drag on the appropriate
knobs, sliders, and faders.
UR24C Operation Manual 19
Software
65
1 2 3 4 7 8
Guitar Amp Classics
Guitar Amp Classics are guitar amp simulations that make
extensive use of advanced Yamaha modeling technology.
Four amp types with different sonic characteristics are
provided.
The Guitar Amp Classics equipped with the device and
the Guitar Amp Classics of the VST Plug-in version have
the same parameters. When using the Guitar Amp
Classics on Cubase series programs, you can share the
settings between the built-in Guitar Amp Classics and the
Guitar Amp Classics of the VST Plug-in version as a
preset file. Also, when assigning the Guitar Amp Classics
of the VST Plug-in version to the effect slot on Cubase
series programs, select it from the [Distortion] category (in
the case of the default settings). Note that Guitar Amp
Classics equipped with the device cannot be used when
the sample rate is set to 176.4 kHz or 192 kHz.
Screenshot
CLEAN
This amp type is optimized for clean tones, effectively
simulating the tight brilliance of transistor amplifiers. The
tonal character of this amp model provides an ideal
platform for recording with multi-effects. It also features
built-in chorus and vibrato effects.
1 VOLUME
Adjusts the amplifier’s input level.
2 DISTORTION
Adjusts the depth of distortion produced.
3 TREBLE/MIDDLE/BASS
These three controls adjust the amplifier’s tonal response
in the high, middle, and low frequency ranges.
How to Open the Window
From Dedicated Windows for Cubase Series
Select the “Guitar Amp Classics” from the “Effect Type”,
then click “Effect Edit” in the section “Input Settings
Window” (page 14).
From dspMixFx UR-C
Select the “Guitar Amp Classics” from the “Effect Type”,
then click “Effect Edit” in the section “Channel Area”
(page 9).
4 PRESENCE
Can be adjusted to emphasize the high frequencies and
overtones.
5 Cho/OFF/Vib
Turns the Chorus or Vibrato effect on or off. Set to [Cho] to
turn the Chorus effect on, or to [Vib] to turn the Vibrato
effect on.
6 SPEED/DEPTH
These controls adjust the speed and depth of the Vibrato
effect when it is on. The SPEED and DEPTH controls only
work with the Vibrato effect, and are disengaged when the
Cho/OFF/Vib control, above, is set to “Cho” or “OFF.”
7 BLEND
Adjusts the balance between the direct and effect sound.
8 OUTPUT
Adjusts the final output level.
UR24C Operation Manual 20
Software
1 2 3 4 5
CRUNCH
This is the amp type to use when you want lightly
overdriven crunch tones. The CRUNCH model simulates
the type of vintage tube amplifiers that are favored for
blues, rock, soul, R&B, and similar styles.
1 Normal/Bright
Selects a normal or bright tonal character. The [Bright]
setting emphasizes the high-frequency overtones.
2 GAIN
Adjusts the input level applied to the preamp stage.
Rotate clockwise to increase the amount of overdrive
produced.
3 TREBLE/MIDDLE/BASS
These three controls adjust the amplifier’s tonal response
in the high, middle, and low frequency ranges.
LEAD
1 2 3 4 5 6
The LEAD amp type simulates a high-gain tube amp that
is rich in overtones. It is ideally suited to playing lead
guitar lines that will project well in an ensemble, but it can
also be set up for crisp accompaniment tones as well.
1 High/Low
Selects the amp output type. The [High] setting simulates
a high-output amp, and allows the creation of more
distorted tones.
2 GAIN
Adjusts the input level applied to the preamp stage.
Rotate clockwise to increase the amount of distortion
produced.
3 MASTER
Adjusts the output level from the preamp stage.
4 PRESENCE
Can be adjusted to emphasize the high frequencies and
overtones.
5 OUTPUT
Adjusts the final output level.
4 TREBLE/MIDDLE/BASS
These three controls adjust the amplifier’s tonal response
in the high, middle, and low frequency ranges.
5 PRESENCE
Used to emphasize the high frequencies and overtones.
6 OUTPUT
Adjusts the final output level.
Using the GAIN, MASTER, and OUTPUT
Controls
The tonal character of the DRIVE and LEAD amp types
can be adjusted over a wide range via the GAIN,
MASTER, and OUTPUT controls. GAIN adjusts the level
of the signal applied to the preamp stage, affecting the
amount of distortion produced. MASTER adjusts the
output level from the preamp stage that is then fed to
power amp stage. The GAIN and MASTER control
settings have a large effect on the final sound, and the
MASTER control may need to be turned up fairly high in
order to drive the power stage sufficiently for optimum
tone. The OUTPUT control adjusts the final output level
from the amp model without affecting the distortion or
tone, and is useful for adjusting the guitar’s volume
without changing any other aspects of the sound.
UR24C Operation Manual 21
DRIVE
1 2 3 4 5 6
The DRIVE amp type provides a selection of distortion
sounds that simulate the tonal character of various high
gain tube amplifiers. From mildly overdriven crunch to
heavy distortion suitable for hard rock, heavy metal, or
hardcore styles, this model offers a wide range of sonic
capabilities.
1 AMP TYPE
Six amplifier types are provided. Types 1 and 2 feature
relatively mild distortion that allows picking nuances to
come through naturally. Types 3 and 4 have more
pronounced overtones, resulting in a fat, soft tone.
Types 5 and 6 deliver wilder, aggressive distortion with a
tight attack. The even-numbered amp types have greater
presence and range than the odd-numbered types.
Software
2 GAIN
Adjusts the input level applied to the preamp stage.
Rotate clockwise to increase the amount of distortion
produced.
3 MASTER
Adjusts the output level from the preamp stage.
4 TREBLE/MIDDLE/BASS
These three controls adjust the amplifier’s tonal response
in the high, middle, and low frequency ranges.
5 PRESENCE
Can be adjusted to emphasize the high frequencies and
overtones.
6 OUTPUT
Adjusts the final output level.
UR24C Operation Manual 22
Using with a Computer
WARNING
MicrophoneGuitar Headphones
Computer
Synthesizer/
MIDI keyboard
Monitor
speakers
Front panel
Rear panel
Keyboard
Mixer
Using with a Computer
Connection Example
Make sure that you set all volume levels to minimum before connecting or disconnecting the external device. Otherwise, high
volume output may damage your hearing or the equipment.
NOTE
• When using the device with bus power supply, connect it to the USB 3.0 port of the computer.
• For the connector type of the computer to be connected to the device, refer to “Computer connector types” (page 33).
UR24C Operation Manual 23
Configuring Audio Driver Settings on the DAW Software
Cubase Series Programs
1. Make sure that all applications have been
closed.
2. Connect the device directly to the computer
by using the included USB cable.
3. Confirm the [USB] indicator is lit.
4. Double-click the shortcut of Cubase series
on the desktop to start Cubase.
5. When the [ASIO Driver Setup] window
appears while the Cubase series program is
launching, confirm that the device is
selected, then click [OK].
NOTE
When [Steinberg UR24C (High Precision)] is selected on
Mac, Cubase will exclusively use the driver. In this
condition, [Steinberg UR24C] cannot be used by other
applications.
Using with a Computer
The audio driver settings are now complete.
Programs other than Cubase Series
1. Make sure that all applications have been
closed.
2. Connect the device directly to the computer
by using the included USB cable.
3. Confirm the [USB] indicator is lit.
4. Launch the DAW software.
5. Open the audio interface settings window.
6. (Windows only) Select the ASIO Driver for
the audio driver settings.
7. Set the ASIO Driver for Windows and audio
interface for Mac as follows.
Windows
Set the [Yamaha Steinberg USB ASIO] to the ASIO
Driver settings.
Mac
Set the UR24C to the audio interface settings.
The audio driver settings are now complete.
UR24C Operation Manual 24
Using with a Computer
Recording/Playback
This section explains simple recording operations for
using a microphone. Connect a microphone to [MIC/
LINE 2] jack as shown in the connection examples
(page 23). Turn the [+48V] switch on when using a
phantom powered condenser microphone.
Cubase Series Programs
1. Launch the Cubase series DAW and display
the [steinberg hub] window.
2. Select the template [Empty] in [More] on the
[steinberg hub] window, then click [Create].
3. Turn on Direct Monitoring as follows.
[Studio] [Studio Setup] [Yamaha Steinberg
USB ASIO] (Windows) or [Steinberg UR24C] (Mac)
enter checkmark to [Direct Monitoring] [OK]
4. Return to the project window and click
[Project] [Add Track] [Audio] to display
[Add Track].
5. Select the [Audio Inputs] and
[Configuration] to [Mono] and [Count] to [1],
and then click [Add track] to create one new
audio track.
8. While singing into the microphone or guitar,
adjust the output signal level of the
headphones with the [PHONES] knob on the
device.
9. Click [ ] to start the recording.
10. After finishing the recording, click [ ] to
stop it.
11. Turn [Monitor] off (unlit) for the just
recorded audio track.
12. Click the ruler to move the project cursor to
the desired point for starting playback.
6. Confirm that the [Record Enable] and
[Monitor] indicators are turned on (lit) for the
added audio track.
7. While singing into the microphone, adjust
the input signal level of the microphone with
the [INPUT 2 GAIN] knob on the device.
13. Click [ ] to check the recorded sound.
When listening to the sound over monitor speakers,
adjust the output signal level by the [OUTPUT] knob
on the device.
The recording and playback operations are now
complete.
For more detailed instructions on using Cubase series
programs, refer to the Cubase operation manual.
Setting optimum recording levels
Adjust the [INPUT 2 GAIN] knobs so that the [PEAK]
indicator flashes briefly at the loudest input volume.
UR24C Operation Manual 25
Programs other than Cubase Series
1. Launch your DAW software.
2. Open dspMixFx UR-C.
For instructions on how to open dspMixFx UR-C,
refer to the section “How to Open the Window”
(page 8).
3. Adjust the input signal level of the
microphone with the [INPUT 2 GAIN] knob
on the device.
Setting optimum recording levels
Adjust the [INPUT 2 GAIN] knobs so that the [PEAK]
indicator flashes briefly at the loudest input volume.
4. While singing into the microphone, adjust
the output signal level of the headphones
with the [PHONES] knob on the device.
5. Set the Channel Strip settings and REV-X
settings on dspMixFx UR-C.
Using with a Computer
6. Start recording on your DAW software.
7. After finishing recording, stop it.
8. Playback the newly recorded sound to
check it.
For more detailed instructions on using the DAW software,
refer to your particular DAW’s software manual.
UR24C Operation Manual 26
Using with an iOS/iPad OS Device
WARNING
iPadiPhone
Microphone
Guitar
Headphones
Synthesizer/
MIDI keyboard
Monitor
speakers
USB adapter/
USB mobile battery
Front panel
Rear panel
Keyboard
Mixer
Using with an iOS/iPad OS Device
Connection Example
Make sure that you set all volume levels to minimum before connecting or disconnecting the external device. Otherwise, highvolume output may damage your hearing or the equipment.
NOTE
• Apple accessories may be required when connecting the UR24C with an iOS/iPadOS device. For details, refer to the UR24C Startup
Guide.
• For an iOS/iPadOS device, it is necessary to supply power from the USB power adapter or a USB mobile battery.
• For the latest information on compatible an iOS/iPadOS device, refer to the Steinberg website below.
https://www.steinberg.net/
UR24C Operation Manual 27
Using with an iOS/iPad OS Device
Recording/Playback
This section explains simple recording operations for
using a microphone. Connect a microphone to [MIC/
LINE 2] jack as shown in the connection examples
(page 27). Turn the [+48V] switch on when using a
phantom powered condenser microphone. The
explanation uses Cubasis (DAW app) as an example.
NOTE
• iOS app may not be supported in your area. Please check with
your Yamaha dealer.
• For the latest Cubasis information, see the Steinberg web site
below.
https://www.steinberg.net/
1. Open Cubasis.
2. Tap the [MEDIA] tab on the upper left of the
screen.
[Create New Project] is shown in the bottom of the
screen.
5. Tap [+ADD] on the left of the screen, then
tap [AUDIO] to add an Audio Track.
6. Tap on the far left of your screen to
show the track inspector.
3. Tap the [Create New Project].
4. Enter a project name and tap [OK] in the
[New project] window.
7. Tap to show the details window and set
the input bus for the track by tapping a
number.
8. Tap to turn monitoring on (lit).
9. Adjust the input signal level of the
microphone with the [INPUT 2 GAIN] knob
on the device.
Setting optimum recording levels
Adjust the [INPUT 2 GAIN] knobs so that the [PEAK]
indicator flashes briefly at the loudest input volume.
UR24C Operation Manual 28
10. While singing into the microphone, adjust
the output signal level of the headphones
with the [PHONES] knob on the device.
11. Tap to start the recording.
12. Tap to stop the recording.
13. Tap and slide on the ruler to move the
playback position.
Using with an iOS/iPad OS Device
You can also tap to return the beginning of the
recording.
14. Tap to playback the recorded sound.
dspMixFx UR-C (for an iOS/iPadOS device)
From your iOS/iPadOS device, you can conveniently
control built-in DSP mixer functions and DSP effects by
using dspMixFx UR-C for iOS device. For details on
this app, see the Steinberg web site below.
https://www.steinberg.net/
UR24C Operation Manual 29
Monitor Mode
Headphones
Computer
Monitor
speakers
Monitor Mode
UR24C has two different monitoring configurations:
monitor mode DAW and monitor mode DJ. Monitor mode
DAW is used for producing music with a DAW such as
Cubase. The monitor mode DJ is convenient for music
performance use with DJ software.
How to switch the monitor mode
The monitor mode can be switched on the “Setup
Window” (page 12) of dspMixFX UR-C.
In monitor mode DAW, the POWER indicator of the front
panel and the monitor mode icon of the dspMixFx UR-C
light in white, and light in red in monitor mode DJ.
How to use the slide switch and MIX knob
Monitor mode DJ
Set the master output for DJ application to UR24C Mix L/
R, and the monitor output to UR24C Output 2 L/R.
After adjusting the level of the input signal to [MIC/LINE 1/
2] jacks and the master output signal of DJ application in
dspMixFX UR-C (page 11), the signal is output to the
[MAIN OUTPUT L/R] jacks and [LINE OUTPUT 1L/R]
jacks. The signal is called MASTER.
The monitor output of the DJ application is output directly
to the [LINE OUTPUT 2L/R] jacks. This is called CUE.
When the slide switch is set to [SPLIT], the monoral
master sound is output from the right side of the
headphones, and the monoral cue sound is output from
the left.
Use the [MIX] knob to adjust the left and right volume
balance.
When the slide switch is set to [STEREO], the stereo
master and cue sound is mixed and is output to both the
left and right.
Use the [MIX] knob to adjust the mix balance.
NOTE
In monitor mode DJ, you can adjust the balance of the input
signal to [MIC/LINE 1/2] jacks and the output signal from software
such as a DAW only by using dspMixFx UR-C (page 11).
Monitor mode DAW
After the level of the input signal from the [MIC/LINE 1/2]
jacks and the output signal as UR24C Mix L/R from DAW
is adjusted with the [MIX] knob, the signal is output to the
[LINE OUTPUT 1L/R] jacks.
This signal is called OUTPUT 1. Turn the [MIX] knob to the
[DAW] side if the input volume is high and to the [INPUT]
side if the input volume is low. When the knob is turned
fully to the [DAW] side, only the input sound from DAW
can be heard.
The output signal from DAW as UR24C Output 2 L/R
outputs directly to [LINE OUTPUT 2L/R] jacks. This signal
is called OUTPUT 2.
When the slide switch is set to [OUTPUT 1], the
OUTPUT 1 signal is output to the headphones. When the
switch is set to [OUTPUT 2], the OUTPUT 2 signal is
output.
UR24C Operation Manual 30
Troubleshooting
Troubleshooting
The power indicator is off
The power indicator
flashes continuously
The USB indicator flashes
continuously
No Sound
Is the [POWER SOURCE] switch set properly?
The power indicator does not light when power is not supplied to the device.
Move the [POWER SOURCE] switch to the [5V DC] port side when using AC
adapter or move the switch to [USB 3.0] jack side for bus-powered supply
(computer only).
Is there a problem with power supply?
The indicator flashes continuously If the power supply is insufficient. Move the
[POWER SOURCE] switch to [5V DC] port side and use the USB power adaptor
or USB mobile battery for the power supply.
Confirm that a proper USB cable is being used.
• Make sure to use the included USB cable.
• For a connecting the device to the USB Type-C port of a computer, use a
commercially available USB 3.1 Type -C to Type-C cable.
Has TOOLS for UR-C been installed properly? (Computer only)
The indicator flashes continuously when the computer or an iOS/iPadOS device
does not recognize the device. Refer to the Startup Guide instructions to
complete the TOOLS for UR-C installation.
Has TOOLS for UR-C been installed properly? (Computer only)
The indicator flashes continuously when the computer or an iOS/iPadOS device
does not recognize the device. Refer to the Startup Guide instructions to
complete the TOOLS for UR-C installation.
Confirm that a proper USB cable is being used.
Make sure to use the included USB cable.
Are the volume controls of the device set to appropriate levels?
Confirm the levels of the [OUTPUT] knob and [PHONES] knob.
Are the microphones and monitor speakers connected to the
device properly?
Refer to the section “Connection Examples” (pages 23, 27) to confirm the
connection.
Are the audio driver settings on DAW software set properly?
Refer to the section “Configuring the Audio Driver Settings on DAW Software”
(page 24) to set it.
Is the [ASIO Driver] setting on the Cubase series program set
properly?
From the Cubase series menu, open the [Studio] [Studio Setup] [VST Audio
System], then confirm that the [Yamaha Steinberg USB ASIO] (Windows) or
[Steinberg UR24C] or [Steinberg UR24C (High Precision)] (Mac) is selected on
the [ASIO Driver].
Was the power of the device turned on before starting the DAW
software?
Before starting the DAW software, connect the device to a computer and turn on
the power of the device.
Is the input/output routing set properly?
Refer to the section “Recording/Playback” (page 25) to check the input/output
routing in the DAW.
UR24C Operation Manual 31
Troubleshooting
No Sound
Is the monitor speaker switch turned on?
Confirm that the monitor speaker switch is turned on.
Is the monitor mode setting appropriate?
Refer to “Monitor Mode” (page 30), and check the monitor mode, slide switch
and the MIX knob setting. Depending on the settings, there may be no sound
from the headphones or only the left or right sound is heard.
Is the buffer size set too low?
Increase the buffer size compared to the current settings; refer to the section
“Yamaha Steinberg USB Driver” (page 6) for instructions.
Is the error message “Audio Format is Unmixable” shown? (Mac
only)
The error message “Audio Format is Unmixable” is shown in the Yamaha
Steinberg USB control panel. Click [Revert to Mixable] to resolve the error.
Unusual sound
(noise, interruption, or distortion)
Does your computer satisfy the system requirements?
Confirm the system requirements. For the latest information, see the Steinberg
website below.
https://www.steinberg.net/
Is the USB Mode set properly?
Depending on the USB host controller in your computer, audio dropout might
occur when SuperSpeed (USB 3.1 Gen1) mode is used. In such a case, please
try switching to High-Speed (USB 2.0) mode in the Yamaha Steinberg USB
Driver Control Panel.
Are you recording or playing long continuous sections of audio?
The audio data processing capabilities of your computer will depend on a
number of factors including CPU speed and access to external devices. Reduce
the audio tracks and check the sound again.
Are the microphones properly connected to the device?
Connect a microphone with an XLR plug to the device. If you use a phone plug,
the volume may be insufficient.
Is the Loopback function set properly?
Set Enable Loopback to off when not using the Loopback function. For
instructions, refer to the section “Settings Window” (page 11).
Is the error message “Audio Format is Unmixable” shown? (Mac
only)
The error message “Audio Format is Unmixable” is shown in the Yamaha
Steinberg USB control panel. Click [Revert to Mixable] to resolve the error.
For the latest support information, refer to the Steinberg website below.
https://www.steinberg.net/
UR24C Operation Manual 32
Appendix
Appendix
Limitations on the Use of Effects
Two Channel strips and one Guitar Amp Classics are
provided in the UR24C.
Simultaneous use of the Channel Strips and Guitar Amp
Classics on the same channel is possible since two slots
are provided for inserting effects in to each input channel.
However, the following restrictions apply.
• Two Channel strips cannot be used in the same
channel.
• Guitar Amp Classics cannot be used in stereo
channels.
• Guitar Amp Classics cannot be used when the sample
rate is set to 176.4 kHz or 192 kHz.
Computer Connector Types
USB 3.0 Type A
When connecting the device to a USB 3.0 Type-A port of
the computer, you will need the included USB cable.
USB 2.0 Type A
When connecting the device to a USB 2.0 Type-A port of a
computer, you will need the included USB cable. Also,
you will need a commercially available USB power
adapter or USB mobile battery due to the lack of power
supply.
USB 3.1 Type C
When connecting the device to a USB 3.1 Type C port,
you will need a commercially available USB 3.1 Type-C to
Type-C cable (optional).
UR24C Operation Manual 33
Signal Flows
OUTPUT1
OUTPUT2
To DAW input
From DAW output
*1
*2
Insert FX
SLOT1
SLOT2
Insert FX
SLOT1
SLOT2
From
[MIC/LINE 1]
From
[MIC/LINE 2]
To
[MIDI OUT]
From
[MIDI IN]
REV-X
Send
Level
REV-X
Send
Level
REV-X
Return
Level
MIX
REV-X
Output
settings
To [MAIN OUTPUT] and
[LINE OUTPUT 1L/1R]
To [LINE OUTPUT 2L/2R]
To [PHONES]
Insert FX
Insert FX
FX REC (OFF)
To DAW input
From input on the device
To output on the device
FX REC (ON)
From input on the device
To output on the device
To DAW input
SLOT1
SLOT2
SLOT1
SLOT2
LOOPBACK OFF/ON
USB
*1 The following chart indicates an effect insertion location.
*2 The PHONES output setting varies depending
on the monitor mode.
• When the Monitor mode is set to DAW,
OUTPUT 1/2 can be switched.
• When the Monitor mode is set to DJ, OUTPUT
1/2 are mixed.
• Set FX REC ON when recording the DSP effect
processed signal with the DAW.
• Set FX REC OFF when recording a signal without
DSP effect processing with the DAW.
The following chart indicates the signal flow in the device.
NOTE
• The controllers on the device, such as the [INPUT GAIN] knobs, [OUTPUT] knob are not included in this chart
• To configure each parameter, use the “dspMixFx UR-C” (page 8) or “Dedicated Windows for Cubase Series” (page 13).
• Please note that you cannot use the built-in Guitar Amp Classics when the sample rate is set to 176.4 kHz or 192 kHz.
Appendix
UR24C Operation Manual 34
Block Diagrams
Monitor Mode: DAW
Appendix
1R
L
R
MAIN OUTPUT
LEVEL
OUTPUT
Input 1
Input 2
To DA W
LOOP BACK
FX BUS
MIX 1 BUS
1L
LINE OUTPUT
DA
OUTPUT 1
METER
2R
2L
L
R
PHON ES
LEVE L
PHON ES
DA
OUTPUT2
DA
OUTPUT 2
METER
Output 2L
Output 2R
From DAW
OUTPUT1
OUTPUT2L
OUTPUT1L
OUTPUT2R
OUTPUT1R
DIRECT OUT 1
DIRECT OUT 2
FX REC
STEREO
Channel Link
Insert FX
MET ER
+-+
Insert FX
Insert FX
MET ER
STEREO
SLOT
SLOT
SLOT
SLOT
+-+
HPF
䃥
AD
MONO
2
2
1
1
-
REV-X S END
INPUT
GAIN
DAW
MIX
MET ER
Mix L
Mix R
From DAW
From DAW (4ch)
ENC ODER
To DAW (2ch)
DECODER
RTN LEVEL
MET ER
REV-X
Insert FX
Insert FX
Ch. Strip Blo ck x 2
Ch. Strip Blo ck x 2
COMP 3Band EQ
COMP 3Band EQ
GR METER METER
176.4kHz, 192kHz
GR METER METER
MET ER
MET ER
REV-X S END
MONO
FX REC
2
2
SLOT
SLOT
1
1
SLOT
SLOT
HPF
䃥
AD
-
GAIN
ON
OFF
HI-Z
G.A.Class ics
+48V
+48V
Insert FX
Insert FX
Ch.Strip Block x 2
Ch.Strip Block x 2
COMP 3Band EQ
COMP 3Band EQ
GR METER MET ER
GR METER MET ER
G.A.Class ics
G.A.Classics Block x 1
G.A.Classics Block x 1
METER
METER
44.1kHz, 48kHz, 88.2kHz, 96kHz
MIC/LINE Input
Input 1
Input 2
USB 3.0
UR24C Operation Manual 35
Appendix
From DAW (4ch)
To DAW (2ch)
USB 3.0
MIC/LINE Input
ENC ODER
DECODER
MAS TE R
䃥
AD
METER
LOOP BACK
DIRECT OUT 1
DIRECT OUT 2
REV-X S END
REV-X S END
DAW
44.1kHz, 48kHz, 88.2kHz, 96kHz
Ch.Strip Block x 2
GR METER MET ER
COMP 3Band EQ
G.A.Classics Block x 1
MET ER
G.A.Class ics
METER
Insert FX
GR METER METER
COMP 3Band EQ
MET ER
G.A.Classics
METER
176.4kHz, 192kHz
Ch.Strip Block x 2
GR METER METER
COMP 3Band EQ
Insert FX
GR METER METER
COMP 3Band EQ
1L
LINE OUTPUT
1R
2L
2R
L
R
PHON ES
LEVEL
PHON ES
MAIN OUTPUT
OUTPUT
LEVEL
MET ER
METER
HPF
䃥
FX REC
SLOT
1
Insert FX
SLOT
2
SLOT
1
Insert FX
SLOT
2
AD
MET ER
HPF
FX REC
SLOT
1
Insert FX
SLOT
2
SLOT
1
SLOT
2
REV-X
RTN LEVEL
MET ER
MIX 1 BUS
FX BUS
INPUT
STEREO
STEREO
MONO
MONO
MIX
SPLIT
STEREO
SPLIT
STEREO
CUE
MASTER L
MASTER R
CUE L
CUE R
METER
L
R
Output 2L
Output 2R
Mix L
Mix R
From DAW
From DAW
To DA W
Input 1
Input 2
OUTPUT 1 (MASTER)
OUTPUT 2 (CUE)
Channel Link
INPUT/DAW
DA
DA
DA
SPLIT STEREO
+48V
+-+
-
+48V
+-+
-
GAIN
GAIN
HI-Z
ON
OFF
Input 2
Input 1
Monitor Mode: DJ
UR24C Operation Manual 36
General Specifications
Appendix
Power Requirements
Dimensions (W x H x D)
Net Weight
Operating Free-air Temperature
4.5 W
198 x 47 x 159 mm
1.1 kg
0 to 40 °C
Range
Included Accessories
The contents of this manual apply to the latest specifications as of the publishing date.
To obtain the latest manual, access the Steinberg website then download the manual file.
• USB 3.0 cable (3.1 Gen1, Type-C to Type-A, 1.0 m)
• UR24C Startup Guide
• CUBASE AI DOWNLOAD INFORMATION
• ESSENTIAL PRODUCT LICENCE INFORMATION
UR24C Operation Manual 37
Technical Specifications
MIC INPUT 1/2 (Balanced)
Frequency Response +0.0/-0.3 dB, 20 Hz – 22 kHz
Dynamic Range 102 dB, A-Weighted
THD+N 0.0035%, 1 kHz, -3 dBFS, 22 Hz/22 kHz BPF
Maximum Input Level +6 dBu
Input Impedance 6k Ohm
Gain Range +6 dB – +60 dB
HI-Z INPUT (INPUT 1 Unbalanced)
Maximum Input Level +9.0 dBV
Input Impedance 1M Ohm
Gain Range 0.8 dB – +54.8 dB
LINE INPUT 1/2 (Balanced)
Maximum Input Level +22 dBu
Input Impedance 12k Ohm
Gain Range -10 dB – +44 dB
LINE OUTPUT 1/L 1/R 2/L 2/R (Unbalanced)
Frequency Response +0.0/-0.2 dB, 20 Hz – 22 kHz
Dynamic Range 106 dB, A-Weighted
THD+N 0.0020%, 1 kHz, -1 dBFS, 22 Hz/22 kHz BPF
Maximum Output Level +12 dBu
Output Impedance 150 Ohm
MAIN OUTPUT L/R (Impedance balanced)
Frequency Response +0.0/-0.2 dB, 20 Hz – 22 kHz
Dynamic Range 106 dB, A-Weighted
THD+N 0.0020%, 1 kHz, -1 dBFS, 22 Hz/22 kHz BPF
Maximum Output Level +12 dBu
Output Impedance 150 Ohm
PHONES
Maximum Output Level 100 mW+100 mW, 40 Ohm
USB
Specification USB 3.0, 32-bit, 44.1 kHz/48 kHz/88.2 kHz/96 kHz/176.4 kHz/192 kHz
XLR INPUT
Polarity 1: Ground
2: Hot (+)
3: Cold (-)
Appendix
UR24C Operation Manual 38
Appendix
Uninstalling TOOLS for UR-C
To uninstall the software, you must remove the following
software one by one.
• Yamaha Steinberg USB Driver
• Steinberg UR-C Applications
• Basic FX Suite
Follow the steps below to uninstall TOOLS for UR-C.
Windows
1. Disconnect all USB devices other than the
mouse and keyboard from the computer.
2. Start the computer and log on to the
Administrator account.
Exit any open applications and close all open
windows.
3. Open the window for the uninstall operation
as follows.
[Control Panel] [Uninstall a Program] to call up
the [Uninstall or change a program] panel.
4. Select the software to be uninstalled from
the list.
• Yamaha Steinberg USB Driver
• Steinberg UR-C Applications
• Basic FX Suite
5. Click the [Uninstall] / [Uninstall/Change].
If the [User Account Control] window appears, click
[Continue] or [Yes].
6. Follow the on-screen instructions to remove
the software.
Mac
1. Disconnect all USB devices other than the
mouse and keyboard from the computer.
2. Start the computer and log in to the
Administrator account.
Exit any open applications and close all open
windows.
3. Extract the TOOLS for UR-C that you
downloaded in advance.
4. Double-click the following file in the
extracted folder.
• Uninstall Yamaha Steinberg USB Driver
• Uninstall Steinberg UR-C Applications
• Uninstall Basic FX Suite
5. Click [Run] when the “Welcome to the ***
uninstaller.” message appears.
The characters *** represent the software name.
After that, follow the onscreen instructions to
uninstall the software.
6. Click [Restart] or [Close] when the
“Uninstallation completed.” Message
appears.
7. When the message prompting you to restart
your computer appears, click [Restart].
Repeat steps 4 through 7 to uninstall the remaining
software you have not selected.
Uninstalling TOOLS for UR-C is now complete.
Repeat steps 4 through 6 to uninstall the remaining
software you have not selected.
Uninstalling TOOLS for UR-C is now complete.
Steinberg Website
https://www.steinberg.net/
Manual Development Group
© 2020 Yamaha Corporation
Published 01/2020 MW-A0
UR24C Operation Manual 39
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