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Louis Electric Vibrotone Reverb 35W 2x10 Combo Two-Tone w/Jupiter 10LC Speaker



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The Vibrotone is a 6L6-based, 35 Watt, 2x10" combo amplifier. It is the result of requests from longstanding customers to build a black line series to emulate the beautiful sounds of the pre-CBS black amplifiers. The Vibrotone is a true two-channel amp with two inputs for each channel. One channel offers a straight sound and the other channel offers vibrato and reverb.

The Tremolo circuit was modified from the opto-coupled or photo-cell tremolo circuit in the blackface amps and moved to a bias modulated circuit. The Reverb circuit has also been altered from the 12AT7 driver tube to a 12AU7. This change provides a more pleasing reverb sound to the ear.

The Normal channel of the

Vibrotone has volume, treble and bass. The Vibrato channel has volume, treble, middle, bass, reverb, speed, and intensity. The original blackface Vibrolux amp did not have a middle control. The middle control is a great addition as it provides more control for the player's midrange sound.


  • Classification: AB1, fixed bias 
  • Power output: 35 watts 
  • Speaker: 2 x Jupiter 10LC 10” 50W Vintage American Ceramic Guitar Speaker
  • Speaker load: 4 ohms
  • Normal Channel: 2 input
  • Vibrato Channel: 2 input
  • Normal Channel- volume, treble, bass
  • Vibrato Channel- volume, treble, middle, bass, reverb, speed, intensity.
  • Pre Amp Tubes: 3-12AX7, 1-12AT7, 1-12AU7
  • Output Tubes: 2-6L6
  • Rectifier: 5AR4
  • Height: 18 3/4", Width: 24", Depth: 10"
  • Weight: 45lbs.
  • Eyelet Terminal board construction
  • Hand Selected caps and resistors
  • Custom designed hand built transformers
  • Belton tube sockets
  • Switchcraft and Carling input jacks and switches
  • High quality machine grade fasteners
  • Moisture free circuit board


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