USER MANUAL
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
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
signal remains at unity gain while the volume of the
overdriven signal is set by the Level knob, allowing for fine mix
tuning.
Level
Drive
Attack Switch
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
Lo Mids
500Hz and 1kHz |
Hi Mids
and 3kHz |
Treble
Direct Output
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)
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
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