A yellow Diamond Bass Comp Jr guitar effects pedal with three black knobs, a silver footswitch, and red branding, photographed on a dark textured surface.
Diamond Bass Comp Jr
Diamond Bass Comp Jr
A yellow Diamond Bass Comp B pedal guitar effect module with black knobs, a silver footswitch, and a small black button, photographed on a dark wooden surface.
A yellow Diamond Bass Comp Jr guitar effects pedal with three black knobs, a silver footswitch, and red branding, photographed on a dark textured surface.
Diamond Bass Comp Jr
Diamond Bass Comp Jr
A yellow Diamond Bass Comp B pedal guitar effect module with black knobs, a silver footswitch, and a small black button, photographed on a dark wooden surface.

Diamond Bass Comp Jr

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  • $199.00
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Diamond Bass Comp Jr 

  • Circuit Type: Optical compression (utilizes a Vactrol opto-isolator)
  • Compression Ratio: Fixed at approximately 3:1
  • EQ Type: Tilt Equalizer with a center-detent flat position
  • EQ Frequency Toggle: Selectable split points at 250 Hz or 900 Hz
  • Controls: Comp (Compression amount), EQ (Tilt shift), Volume
  • Bypass: True Bypass switching
  • Input Impedance: > 1 MΩ
  • Output Impedance: < 2.5 kΩ
  • Power Requirement: 9V DC to 18V DC (Center-Negative, 2.1mm plug)
  • Current Draw: ~15 mA
  • Battery Power: Comp Jr can run on a standard 9V battery
  • Jacks: Top-mounted input and output jacks
  • 9V or 18V, base your decision on your bass guitar's pickup type and how much clean clarity you want.