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VHT Special 20 User Manual

12-20 watt hand-wired vacuum tube guitar amplifier

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VHT SPECIAL 12/20
12-20 Watt Hand-Wired Vacuum Tube Guitar Amplifier
User Manual

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Summarization of Contents

Control Panel Features
Power Switch and Jewel Light
Controls amplifier power ON/OFF and indicates operational status.
Pentode/Standby/Triode Switch
Selects output tube mode for tonal shaping and power output.
Watts Control
Adjusts output tube operating voltage and maximum output power.
Depth Control
Selects output tube's low-frequency roll-off point for tone shaping.
Texture Switch
Selects output's high-frequency roll-off point for tone shaping.
Effects Loop Controls
Controls Send and Return levels for the tube-driven effects loop.
Tone, Volume, and Input
Adjusts EQ, master volume with boost, and provides a pedal-friendly input.
Rear Panel Functions
Footswitch Jack and 9V DC Out
Connects boost footswitch and powers external 9V DC pedals.
Effects Loop Send/Return Jacks
Facilitates connecting external effects units to the amplifier.
Line Out Jack
Provides a buffered signal for routing to other equipment.
Speaker Output and Impedance Selector
Connects speaker cabinets and matches impedance for optimal output.
Power Input and Voltage Selector
Connects AC power and allows selection of operating voltage.
Output Tube Voltage Selector
Selects appropriate voltage for different output tube types.