USER MANUAL
Darkglass Suite
Download the free Darkglass Suite software from
www.darkglass.com/suite to configure the pedal, load new
impulses and download firmware updates.
Darkglass Suite comes with a selection of cabinet IRs made
by some of our artists. It also allows you to load your own IRs
in WAV and AIFF formats and organize your IR files. See the
online manual of Darkglass Suite for more information.
Disclaimer
In the interest of continuous improvement, specifications are
subject to change without notice. If you have any questions,
please don’t hesitate to contact us at www.darkglass.com
The manufacturer claims that the above product fulfills the
requirements as set by EN55013, EN55020, EN60555-2,
EN60555-3, RoHS, WEEE.
Microtubes B7K
Ultra v2
Absolute Control.
The new version of the Microtubes B7K Ultra features all the
versatility and sonic possibilities of the first version plus: (1)
Single user loadable cabinet simulation impulse response. (2)
Micro-USB B port to connect to PC/Mac to load a different
Virtual Cabinet through the Darkglass Suite. (3) 3.5mm
headphone output with cabinet simulation. (4) Balanced XLR
output with switchable cabinet simulation.
Warning
The Microtubes B7K Ultra v2 has a current draw of 30mA.
Only use a regulated 9V DC adapter with a center-negative
plug. Due to ecological reasons it does not accept batteries.
Unregulated power supplies and/or higher voltages may result
in suboptimal noise performance and even damage your unit,
voiding the warranty.
Warranty
To activate the warranty, we encourage you to register your
product on: http://mypedal.darkglass.com and enter the serial
number on the back of your pedal.
Controls
Master: Whereas the Level Knob controls the output of the
overdrive section the Master volume adjusts the overall
volume of the unit. Ideal for fine tuning the output on clean
mode. It also serves as a DI level control.
Blend: Mixes the clean and processed signals. The clean
signal remains at unity gain while the volume of the
overdriven signal is set by the Level knob, allowing for fine mix
tuning.
Level: Sets the volume of the overdriven signal.
Drive: Sets the amount of gain in the overdriven signal.
Attack Switch: Sets the amount of treble content to saturate:
The "Boost" setting emphasizes the treble content extra
clarity and presence. The "Flat" position leaves this register
untouched while the "Cut" position will reduce the amount of
high frequencies being saturated.
Grunt Switch: Sets the amount of low frequency content to
saturate by selecting between three different bass boost
levels before the clipping stage.
Bass: +-12dB @ 100Hz | Lo Mids: +-12dB switchable 250Hz,
500Hz and 1kHz | Hi Mids: +-12dB switchable 750Hz, 1.5KHz
and 3kHz | Treble: +-12dB @ 5kHz.
Direct Ouput: Balanced XLR output for connecting the pedal
to a microphone preamp, PA system etc.
Ground lift: Disconnects the signal ground on the Direct
Output to break any ground loops. Set this switch to either
position that has less noise. The switch does not affect the ¼”
output.
Cab Sim: Toggle the cabinet simulation on/off on the Direct
Output. This switch completely bypasses all digital circuits
and allows you to get a zero latency signal when needed.
Headphones: B7K Ultra has an internal stereo headphone
amplifier capable of driving a minimum load of 16 ohms from
the 3.5mm stereo jack. Use the Master volume control to
adjust the level.
WARNING: When the pedal is on bypass the master volume
does not affect the headphone volume. In this case the total
volume is adjustable in Darkglass Suite. With sensitive
headphones the bypass volume can be very loud if not
adjusted.
USB: A Micro USB B connector allows you to connect the
pedal to PC/Mac to load cabinet simulation impulse responses
to the pedal and control various other settings.
Technical Specifications
Single user loadable cabinet simulation impulse response
· 48 kHz, 16 bit internal processing
· 1.6 ms latency
· 88dB signal to noise ratio
Micro-USB B port to connect to PC/Mac to load cabinet
simulation IR
3.5mm headphone output with cabinet simulation:
· 16 ohm minimum load,
· 50mW output power at 16 ohms,
· 30mW output power at 32 ohms
Balanced XLR output with switchable cabinet simulation and
switchable ground lift
Input impedance: 1M ohm
Output impedance: 1k ohm
Power supply: 9V DC center negative
DC current consumption 110 mA
Dimensions
Width 125 mm (4.92 in)
Height 96 mm (3.77 in)
Depth 57 mm (2.24 in)
Weight 430 g (0.94 lb)
EMC / EMI
This equipment has been tested and found to comply with the
limits for a Class B Digital device, pursuant to part 15 of the
FCC rules. These limits are designed to provide reasonable
protection against harmful interference in residential
installations.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio
communications. There is no guarantee that interference will
not occur in a particular installation.
If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
· Reorient or relocate the receiving antenna.
· Increase the separation between the equipment and
receiver.
· Connect the equipment to an outlet on a circuit different from
that to which the receiver is connected.
· Consult the dealer or an experienced radio/TV technician for
help.
DARKGLASS ELECTRONICS OY.
Helsinki, Finland
www.darkglass.com
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