Darkglass Electronics Harmonic Booster, User Manual

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Harmonic Booster
Clean Preamplifier
Designed to be the perfect complement to our distortion
circuits, the flexibility and portability of the Harmonic Booster
is also the perfect one-stop solution for gigging musicians in
search of a precise and harmonically rich clean preamplifier.
Controls
Boost: Flat -20dB to +20dB cut or boost.
Character:
Allows blending in the perfect amount of the
tone-shaping circuitry. It can be set counter-clockwise for a
flatter frequency response.
Mid gain: +-20dB @ the frequency selected by "Mid
Frequency".
Mid Frequency:
Mid frequency from 250Hz to 2.5kHz.
Bass: +-20dB @ 80 Hz.
Treble:
+-20dB @ 5 kHz.
Warning
The Harmonic Booster 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.
Technical Specifications
Input Impedance 470 kΩ
Output Impedance 1 kΩ
Current Consumption 30mA
Voltage 9-18 V DC Center negative
Dimensions
Width 75 mm (2.95 in)
Height 111 mm (4.37 in)
Depth 43 mm (1,77 in)
Weight 250 g (0.55 lb)