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Mesa Boogie California Tweed 6V6 4:40 1x12 Combo Amp

All-Tube Sixties-Inspired Tone

Written by

Cian Hodge

Inspired by Leo Fender’s original ‘50s Tweed circuitry and Boogie founder Randall Smith’s first venture into boutique amplifiers, Mesa Boogie have paid the ultimate homage five decades later with the California Tweed 40.


This classic single channel design sounds full of 6V6 power amp character and is based on the timeless Tweed preamp, consisting of 5x12AX7 and 1x12AT7 tubes. Vintage tone heaven.

However, the California Tweed isn’t just a copy of an old amp. It has two voicing inputs; one providing larger headroom, glistening cleans and another that ranges from clean to pure overdriven valve tone.

Controls are kept concise, using Gain, Treble, Mid, Bass and Presence EQ for all the control you need. Also featured is a completely tube-driven spring reverb with an external jack perfect for switching on/off in a live setting.


The amp packs modern tech in with the retro too, thanks to Duo-Class and Dyna-Watt technology, meaning you can switch between 2, 10, 20, 30 and 40-Watt stages. These not only vary the headroom, output and volume, but also the tonal characteristics too.

Complete with an FX loop so your pedals won’t adversely affect your sweet vintage amp sound.

In combo form, the California Tweed utilises a Jensen Blackbird alnico speaker. Known for its warmth, fat low-end and sparkling highs, this is the perfect pairing with the preamp and power amp.


  • Wattage: Multi-Watt 2, 10, 20, 30, or 40
  • Power Tube Type: 4x Mesa 6V6
  • Channels: 1 Channel
  • Voicings: Single Channel with two Inputs - Normal Input = Clean to Overdrive, Low Input = Clean
  • FX: Reverb
  • Footswitch Function: Reverb (Footswitch & Cable sold separately)
  • Speaker: 1 - 8 Ohm Jensen Blackbird ALNICO / Total Load = 8 Ohms
  • Weight: 49 Lbs.
Inc. VAT


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