Darkglass Electronics B7K Ultra Microtubes User Manual
- June 17, 2024
- Darkglass Electronics
Table of Contents
MICROTUBES B7K ULTRA
USER MANUAL
Microtubes B7K Ultra
Limited Edition
The ability to interact between a clean modern sound and obliterating
distortions, is what distinguishes the B7K Ultra from all other pedal. It
features all the versatility and sonic possibilities from the aclaimed B7K,
but with more options and controls.
Warning
The Microtubes B7K Ultra 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.
Please contact us via email support@darkglass.com before shipping a product to
us.
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 Output: A balanced version of the ¼” output, useful for running
into PA’s or studio mixing consoles.
Technical Specifications
| Input Impedance | 500k |
|---|---|
| Output Impedance | 1k |
| Current Consumption | ~28mA |
| Voltage | 9V DC (Center Negative) |
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)
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.
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
References
Read User Manual Online (PDF format)
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