The THD Product Line
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Please select an amp at right

Box Head Amplifiers

Please select an amp at right

Amplifier Heads

"...One of the best amps ever? You'd better believe it." -Guitarist Magazine
> UniValve > BiValve-30 > Flexi-50 > Rack-mounted Amps > Box Head Amps NEW!

THD Hot Plate

Power Attenuators

The award-winning Hot Plate is the world's most popular power attenuator.
> Hot Plate

Please choose a speaker at right

Speaker Cabinets

"Improved the sound of every amp we tested them with." -Guitar Player Magazine
> 2x12 Cabinet > 4x12 Cabinet



Available with a UniValve, BiValve-30 or Flexi-50 amplifier. Conversion kits transform your existing THD chassis.
> 1x12" Combo Cab > 1x12" Combo Cab Conversion Kit

THD Head Box

Head Boxes

THD Head Box
> THD Head Box



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