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USB Mix 4
mixer
user manual
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Musikhaus Thomann
Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany
Telephone: +49 (0) 9546 9223-0
E-mail: info@thomann.de
Internet: www.thomann.de
19.09.2018, ID: 441270
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Table of contents
1 General information.............................................................................................................. 4
1.1 Further information........................................................................................................ 4
1.2 Notational conventions................................................................................................. 4
1.3 Symbols and signal words........................................................................................... 4
2 Safety instructions................................................................................................................. 6
3 Features....................................................................................................................................... 8
4 Installation................................................................................................................................. 9
5 Connections and controls................................................................................................ 10
6 Technical specications.................................................................................................... 13
7 Plug and connection assignment................................................................................. 14
8 Protecting the environment........................................................................................... 16
Table of contents
USB Mix 4
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1 General information
This manual contains important instructions for the safe operation of the unit. Read
and follow the safety instructions and all other instructions. Keep the manual for
future reference. Make sure that it is available to all those using the device. If you sell
the unit please make sure that the buyer also receives this manual.
Our products are subject to a process of continuous development. Thus, they are
subject to change.
1.1 Further information
On our website (www.thomann.de) you will nd lots of further information and
details on the following points:
Download This manual is also available as PDF le for you to download.
Keyword search
Use the search function in the electronic version to nd the
topics of interest for you quickly.
Online guides
Our online guides provide detailed information on technical
basics and terms.
Personal
consultation
For personal consultation please contact our
technical hotline.
Service
If you have any problems with the device the
customer service will gladly assist you.
1.2 Notational conventions
This manual uses the following notational conventions:
The letterings for connectors and controls are marked by square brackets and italics.
Examples: [VOLUME] control, [Mono] button.
1.3 Symbols and signal words
In this section you will nd an overview of the meaning of symbols and signal words
that are used in this manual.
Letterings
General information
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Signal word Meaning
DANGER! This combination of symbol and signal word indicates
an immediate dangerous situation that will result in
death or serious injury if it is not avoided.
NOTICE! This combination of symbol and signal word indicates
a possible dangerous situation that can result in mate‐
rial and environmental damage if it is not avoided.
Warning signs Type of danger
Warning – high-voltage.
Warning – danger zone.
General information
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2 Safety instructions
This device is intended to be used for amplication, mixing and playback of signals
from musical instruments and microphones. Use the device only as described in this
user manual. Any other use or use under other operating conditions is considered to
be improper and may result in personal injury or property damage. No liability will be
assumed for damages resulting from improper use.
This device may be used only by persons with sucient physical, sensorial, and intel‐
lectual abilities and having corresponding knowledge and experience. Other persons
may use this device only if they are supervised or instructed by a person who is
responsible for their safety.
DANGER!
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and
are not within reach of babies and young children. Choking hazard!
Ensure that children do not detach any small parts (e.g. knobs or the
like) from the unit. They could swallow the pieces and choke!
Never let children unattended use electrical devices.
DANGER!
Electric shock caused by high voltages inside
Within the device there are areas where high voltages may be present.
Never remove any covers.
There are no user-serviceable parts inside.
Do not use the device if covers, protectors or optical components are
missing or damaged.
DANGER!
Electric shock caused by short-circuit
Always use proper ready-made insulated mains cabling (power cord)
with a protective contact plug. Do not modify the mains cable or the
plug. Failure to do so could result in electric shock/death or re. If in
doubt, seek advice from a registered electrician.
NOTICE!
Risk of re
Do not block areas of ventilation. Do not install the device near any
direct heat source. Keep the device away from naked ames.
Intended use
Safety
Safety instructions
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NOTICE!
Operating conditions
This device has been designed for indoor use only. To prevent damage,
never expose the device to any liquid or moisture. Avoid direct sunlight,
heavy dirt, and strong vibrations.
NOTICE!
Power supply
Before connecting the device, ensure that the input voltage (AC outlet)
matches the voltage rating of the device and that the AC outlet is pro‐
tected by a residual current circuit breaker. Failure to do so could result
in damage to the device and possibly injure the user.
Unplug the device before electrical storms occur and when it is unused
for long periods of time to reduce the risk of electric shock or re.
Safety instructions
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3 Features
n 4-channel DJ mixer with USB player
n 4 stereo inputs (3 × phono / line, 1 × line / mic)
n 1 × microphone input (XLR)
n 1 × headphones output (stereo, as 1/4" phone jack)
n 1 × master output (RCA sockets)
n 1 × output for recording device (RCA sockets)
n 1 × USB port for playback
Features
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4 Installation
Unpack and carefully check that there is no transportation damage before using the
unit. Keep the equipment packaging. To fully protect the device against vibration,
dust and moisture during transportation or storage use the original packaging or
your own packaging material suitable for transport or storage, respectively.
Create all connections while the device is o. Use the shortest possible high-quality
cables for all connections. Take care when running the cables to prevent tripping
hazards.
Connection options
Installation
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5 Connections and controls
1 [MIC 1]
Microphone input, designed as XLR / 1/4" phone combo socket
2 [TREBLE]
Rotary treble control for the microphone input signal.
3 [BASS]
Rotary bass control for the microphone input signal.
4 [TALKOVER]
Enables the Talk over function.
When the selector switch is moved in the ON position, all other signal sources are attenuated, so that the micro‐
phone is clearly audible. In OFF position, all signals retain their original level.
5 [USB]
Connection for playback via a USB device. Before ejecting, pause USB stick playback or select another playback
source.
Front panel
Connections and controls
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6 [PHONO / LINE ]
Input source selector switch for the respective channel.
7 [EQ]
EQ selection
[REPEAT]
Plays a track repeatedly.
Selects the previous track for playback.
Selects the next track for playback.
Starts or pauses playback.
8 [POWER]
Main switch. Turns the device on and o.
9 [MASTER LEVEL]
Rotary control for adjusting the master out volume
10 [PFL LEVEL]
Rotary control for adjusting the headphones volume
11 [CUE SELECT]
Rotary control to select the channel that can be heard through the headphones.
12 [HEADPHONE]
Headphones output, designed as 1/4" phone socket (stereo).
13 CHANNEL 1…4
Sliders for adjusting the volume of the respective channel
14 [CROSSFADER]
Slider for mixing the signals of the left and right channel If the controller is in middle position, both channels can
be heard.
15 [MIC 1]
Volume control for microphone 1.
16 [MASTER LEVEL]
Level meter shows the volume of the output channel or the currently selected solo channel.
Connections and controls
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17 IEC chassis plug for operating voltage supply with fuse holder.
Should the fuse have blown, disconnect the unit from the power supply and replace the fuse with a new fuse of
the same type.
18 [MASTER]
Master output for connecting an amplier or powered speaker box, designed as RCA sockets.
19 [REC]
Output for connecting a recording device.
20 [LINE]
Inputs for line level signals (e.g., CD, DVD, MP3), designed as RCA sockets.
21 [MIC]
Microphone input, designed as 1/4" phone jack.
22 [PHONO]
Inputs for signals with phono level (e.g. turntables), designed as RCA sockets.
23 Grounding screw to reduce hum noise when connecting turntables
Rear panel
Connections and controls
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6 Technical specications
Inputs Microphone: 1.5 mV
Phono: 3.2 mV
Line: 150 mV
Outputs Master: 1 V
Rec: 1 V
Input impedance Microphone: 2.2 kΩ
Phono: 47 kΩ
Line: 47 kΩ
Output impedance Master: 600 Ω
Rec: 600 Ω
Tone control (bass, treble) +12 dB…-12 dB
Frequency range 20 Hz…20 kHz, ±2 dB
Signal-to-noise ratio > 70 dB
THD 0.02 %
Operating supply voltage
230 V 50 Hz
Fuse 5 mm × 20 mm, 500 mA, 250 V, slow-blow
Dimensions (W × H × D) 382 mm × 220 mm × 130 mm
Weight 2.6 kg
Technical specications
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7 Plug and connection assignment
This chapter will help you select the right cables and plugs to connect your valuable
equipment in such a way that a perfect sound experience is ensured.
Please note these advices, because especially in ‘Sound & Light’ caution is indicated:
Even if a plug ts into the socket, an incorrect connection may result in a destroyed
power amp, a short circuit or ‘just’ in poor transmission quality!
Unbalanced transmission is mainly used in semi-professional environment and in hi
use. Instrument cables with two conductors (one core plus shielding) are typical rep‐
resentatives of the unbalanced transmission. One conductor is ground and shielding
while the signal is transmitted through the core.
Unbalanced transmission is susceptible to electromagnetic interference, especially at
low levels, such as microphone signals and when using long cables.
In a professional environment, therefore, the balanced transmission is preferred,
because this enables an undisturbed transmission of signals over long distances. In
addition to the conductors ‘Ground’ and ‘Signal’, in a balanced transmission a second
core is added. This also transfers the signal, but phase-shifted by 180°.
Since the interference aects both cores equally, by subtracting the phase-shifted
signals, the interfering signal is completely neutralized. The result is a pure signal
without any noise interference.
1 Signal
2 Ground, shielding
1 Signal (in phase, +)
2 Signal (out of phase, –)
3 Ground
Introduction
Balanced and unbalanced transmis‐
sion
1/4" TS phone plug (mono, unbal‐
anced)
1/4" TRS phone plug (mono, bal‐
anced)
Plug and connection assignment
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1 Ground, shielding
2 Signal (in phase, +)
3 Signal (out of phase, –)
4 Shielding on plug housing (option)
Drawing and table indicate the pin assignment of an RCA plug.
1 Signal
2 Ground, shielding
XLR plug (balanced)
RCA connection
Plug and connection assignment
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8 Protecting the environment
For the transport and protective packaging, environmentally friendly materials have
been chosen that can be supplied to normal recycling.
Ensure that plastic bags, packaging, etc. are properly disposed of.
Do not just dispose of these materials with your normal household waste, but make
sure that they are collected for recycling. Please follow the notes and markings on
the packaging.
This product is subject to the European Waste Electrical and Electronic Equipment
Directive (WEEE) in its currently valid version. Do not dispose with your normal
household waste.
Dispose of this device through an approved waste disposal rm or through your local
waste facility. When discarding the device, comply with the rules and regulations
that apply in your country. If in doubt, consult your local waste disposal facility.
Disposal of the packaging material
Disposal of your old device
Protecting the environment
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Notes
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Notes
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Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de
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