Shift Line Menu
Click to order
Your order
The order will be shipped to your PayPal address, please make sure it is correct or change it during checkout
Fields marked with (*) are required


CMOS Preamplifier
If you love the character of famous solid state amps from 70´s than BETA is what you are searching for.
This product is discontinued
  • Two separate channels with ability to mix them.
  • Extremely wide dynamic range: from chrystal clean to high gain distortion.
  • Buffered THRU output.
  • Series effect loop designed for regular FX pedals (-10dBu level).
  • Output level is +20dBu designed to drive any power amp. Connect preamplifier directly to power amp: use POWER AMP IN or RETURN jack on your combo/amp.
  • XLR output with switchable cabsim. (2x15 and 8x10 modes).
  • Сompact and lightweight.
  • INPUT — 1/4" mono jack input for the signal source.
  • THRU — 1/4" mono jack output to other effects or amps (buffered).
  • SEND — 1/4" mono jack output to effects.
  • RETURN — 1/4" mono jack input for effects.
  • OUTPUT — 1/4" mono jack output to other effects or amps.
  • XLR — +10 dBu balanced output. Master volume knob does not affect this output.
  • DRIVE — Input sensitivity.
  • BASS, MID, TREBLE — three band EQ, flat response with all knobs at noon.
  • LEVEL — channel volume.
  • MASTER VOLUME — output level.
  • A/B footswitch — selects active channel.
  • BOTH footswitch — activates both channels work in parallel.
  • GND switch — disconnect ground pin on balanced output to prevent ground loops.
  • CABSIM switch — selects XLR output mode: Direct signal, 2x15 model or 8x10 model (This switch is located inside the pedal. To change cabsim setting: unplug power adapter, unscrew bottom plate and set toggle in required position).


  • Power supply: 9V regulated power supply, 2.1*5.5mm, center negative, 500mA minimum.
  • Dimensions: 132х105х50 mm (5.2x4.2x2 inches).
  • Weight: 550 g (1 lb)