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MarkBass Ground Stereo Pre

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Markbass Ground Stereo Pre
News Markbass Ground Stereo Pre

Solid-State Pre-amp from Markbass

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This stereo preamp designed by MarkBass and Alain Caron is made to be used as a foot pedal, giving you access to your sound at the front of the stage.


The Alain Caron signature model stereo preamp takes the form of a foot pedal and offers an array of inputs and outputs, including a stereo effects loop, stereo balanced DI outputs, Aux in, and Headphone output.


You can take the preamp onstage or off—you can use the unit’s headphone output for private practicing; or you can connect an iPod or MP3 player to the Aux input for learning recorded music or playing with backing tracks.


Although it can be used mono, the Ground Stereo Pre is designed to be used in stereo with two BAS 121 Lite two-way powered cabinets and stereo effects. Each channel includes 4-band EQ.


The preamp features separate Gain, 4-band EQ, and Mute switches for each channel; Master Level control; Effects Loop Bypass; stereo pairs of input jacks, outputs jacks, and XLR line outs; Stereo Send / Return for external effects; a Mono / Stereo switch; ground lifts; Pre / Post EQ and Pre / Post master switches for the line outs; and Tuner out, Aux in, and Headphone output.


Markbass Ground Stereo Pre specs:

  • Channels: Left / Right
  • Gain Control Range (L / R): –60 – 23 dB
  • Inputs: 2×1/4" jacks (L / R)
  • Impedance / Maximum Voltage: 500 Kohm / 4 Vpp
  • Outputs: 2×1/4" (L / R) Speaker Outs, 2x XLR (L / R) Line Out, Tuner Out
  • EQ (for each channel): Low, Mid Low, Mid High, High
  • Switches: Mute L / Mute R, FX Loop Bypass, Line Out, GND Lift
  • Power Supply: 12 VDC 200 mA


For more information on the Ground Stereo Pre Alain Caron Signature stereo preamp, visit the Markbass Web site.


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