VHT Special 12/20RT All Tube Electric Guitar Amplifier Head AV-SP-12/20-RTH

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VHT Special 12/20RT All Tube Electric Guitar Amplifier Head AV-SP-12/20-RTH

The VHT Special 12/20RT adds tube-driven spring reverb and tube tremolo to the Special 12/20 platform. The 12/20RT features two power ranges with an adjustable Watts control plus a Pentode/Triode switch, a unique preamp designed to excel with pedals and multi-effects units, and an all-tube buffered effects loop with send and return level controls. It also features VHT’s unique Depth and Texture controls, a convenient built-in 9-volt DC pedal power supply, and an international mains voltage selector switch.

To optimize the amp for a wide variety of output tubes, the VHT Special 12/20RT offers two output-power ranges; a special voltage range switch provides the proper voltages for 6V6 or EL84 output tubes (in 12-watt low-voltage/low-power mode). The high voltage 20-watt setting provides the ideal voltages for higher-power 6L6 or EL34 output tubes. The Special 12/20RT ships with a pair of 6V6 output tubes (VHT 6V6-to-EL84 socket adapters are required for operation with EL84 tubes). In addition, the Special 12/20RT’s variable Watts control can reduce the maximum output power to less than one watt for whisper-quiet volume levels.

The Special 12/20RT’s preamp was designed to bring the most out of every effects pedal and multi-effects unit with enhanced clarity, detail, and controlled tube compression. Its low-impedance buffered effects-loop send can effortlessly drive the most difficult pedals without tone or signal loss. Thanks to its variable send and return level controls, the 12/20RT’s effects loop can accommodate a wide range of pedal or rack effects. The 12/20RT’s Reverb, Tremolo, Depth and Texture controls are post effects loop, so multi-effects users can plug directly into the effect return and still benefit from the post-effects tube reverb and tremolo, while also fine-tuning the output stage characteristics with the Depth and Texture controls.

Model Name: Special 12/20RT Head
Model Number: AV-SP-12/20RTH
Max Output: 12 or 20 Watts (Switchable via Volt Switch on Underside of Chassis)
Pre Amp Tubes: 12AX7
Power Amp Tubes: 6V6
Inputs Single
Switches: Power, Pentode/Standby/Triode, Texture & Tremolo Speed
Controls: Volume w/ Pull Boost, Tone, Reverb w/ Pull Deep, Speed, Tremolo, Depth & Watts
Effects Send, Effects Return (Back Panel)
Impedance(s): 4Ω, 8Ω, 16Ω
Effects: Tube Driven Reverb, Tremolo & Effects Loop
Int'l Voltage: AC: 100V, 120V, 230V (Switchable)
Footswitches: Boost Mode (Footswitch Included) & Reverb/Tremolo (Footswitch Included)
Extra Features: 9-Volt DC Pedal Power Supply, Mod-Friendly Hardwired Eyelet Board Construction