2-Channel Bass Amp Head
2-Channel Bass Preamp
Professional Recording Bass Preamp
2-Channel Direct Box
USB Power Port
GR Bass DUAL800 2-Channel Bass Amp Specs
1/4″ Jacks: Channel 1 & 2, instrument inputs
1/8″ Jack: audio source input
Channel Mode switch: assigns preamp channel function; Ch. 1 / Mix Mode / Ch. 2
Gain (Ch1, Ch2): sets instrument and DI volume level
Deep button (Ch1, Ch2): boost +5 dB @ 50 Hz
Bass knob (Ch1, Ch2): boost or cut ± 13 dB max @ 50 Hz
Mid-Low switch (Ch1, Ch2): assigns the frequency of the Mid- Low knob
185 Hz, Q = 1.2, switch pos 1
375 Hz, Q = 1.2, switch pos 2
800 Hz, Q = 1.2, switch pos 3
Mid-Low knob (Ch1, Ch2): boosts or cuts the assigned Mid-Low frequency
± 12 max dB (peaking control)
Mid-High knob (Ch1, Ch2): boosts or cuts the assigned Mid-High frequency
± 12 max dB (peaking control)
Mid-High switch (Ch1, Ch2): assigns the frequency of the Mid- Low knob
600 Hz, Q = 1.2, switch pos 1
1.2k Hz, Q = 1.2, switch pos 2
1.8k Hz, Q = 1.2, switch pos 3
High knob (Ch1, Ch2): boost or cut ± 13 dB max @ 7.6k Hz
Bright button (Ch1, Ch2): boost +6 dB @ 9.6k Hz
Pure Switch:: EQ/Preamp bypass
Line Output 1: level control for Channel 1 XLR DI
Line Output 2: level control for Channel 2 XLR DI
Overdrive: Drive level, Distortion Mode, Blend, HiPass Filter controls
Master Volume (Ch1, Ch2): speaker output level
Speaker Button: mutes speaker output
Headphone 1/8″ Jack: connect earbuds or headphones
LED/Fan Mode Switch: assigns LED panel function Tuner / VU Meter, and Fan Mode (Studio/Live)
Speaker Output: 2x Speakon 1/4″ Combo
Ground Lift Button: lifts XLR output ground
Pre/Post Button: assigns EQ or EQ-bypass to the DI output
Channel 1 XLR DI Output: for PA or DAW recording interface
Channel 2 XLR DI Output: for PA or DAW recording interface
FX Loop: 1/4″ Send and Return jacks
USB Power Port: 300mA power supply for your smartphone / USB device
9VDC Power Port: 300mA Effect Pedal Power Supply
Power: 800W RMS 4 ohm, 400W RMS 8 ohm, single channel
AC Input: 115-230v (auto selectable)
Dimensions: 12.25″ x 10.25″ x 3.5″
Weight: 6.5 lbs.
Warranty: 5 years
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