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The Sonzera 20 is a moderately powered 20-watt combo amplifier with two independently controlled, footswitchable channels designed for maximum versatility. The clean channel delivers full, 3D tones reminiscent of American mid-1960’s amplifiers. The gain channel is related to the clean channel circuit-wise, so that it can be set up to act as a boosted clean channel or manipulated to make the channels sound like two completely different amps (the gain channel can be set from slight to very heavy dis- tortion by simply using the drive and level controls). The bright switch on the gain channel has been carefully tailored to deliver familiar high-end snap and is particularly effective on the low strings, neck pickup settings, and with singlecoils, while the low-end response of the gain channel is full, tight, and clear.

Both channels on the Sonzera are designed to maximize note clarity and definition. The global presence control and the tone stacks allow players to dial in a variety of tones from bell-like chime to warmer, thicker tones. The Sonzera 20 Combo also features global spring reverb control that

is designed to enhance notes without clouding them. The reverb can be turned on and off via the footswitch. The addition of a built-in effects loop allows players to use all their time-based effects with ease without negatively impacting the overall tone of the amp.

With robust construction, a wide range of tones, and steadfast controlla- bility, the Sonzera 20 Combo is a solid gig- and studio- worthy amplifier.



  • Configuration: 1x12 Combo
  • Wattage: 20  

Front Panel Controls              

  • Channel 1 Controls: Bass, Treble, Volume
  • Channel 2 Controls: Bass, Middle, Treble, Level, Drive, Bright Switch
  • Global Controls: Presence, Reverb

Back Panel Features

  • Inlet: Fused Power Inlet (IEC)
  • Effects Loop: Series – MOSFET driven
  • Bias: Adjustable
  • Output Jacks: 5
  • Output Jack Ohm Selections: (2) Parallel 4 ohm, (2) Parallel 8 ohm, (1) 16 ohm
  • Channels: Clean and Gain


  • Covering: Black Tolex
  • Grill Cloth: Black / Silver Rectangle
  • Panel: Black Tolex
  • Piping: Silver
  • Speakers: Celestion V-Type 70W
  • Output Transformer: 19G01-OPT


  • Power Tubes: 2x JJ 5881
  • Preamp Tubes: 4x JJ ECC83S


  • Amp Width: 21.5”
  • Amp Depth: 10”
  • Amp Height: 18”
  • Amp Weight: 49 lbs


  • Included Accessories: 2-Button Footswitch, Channel and Reverb

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
  • Sonzera 20 2-Channel 20-Watt 1x12" Guitar Combo
  • Black
  • 2023
Made In
  • China
Speaker Configuration
  • 1x12"
  • Tube
  • Spring Reverb

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Muziekhandel Oudenaarde

Oudenaarde, Belgium
Joined Reverb:2016

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