Ventura VVA50 Instruction Manual - page 3
Ventura Valve Amplifiers Ventura, CA vvamps.com
Front Panel:
Input: Input Jack for your guitar cable.
Gain1: This control varies the gain for two preamp stages.
Gain2: Adds gain and distortion. Controls the second pair of preamp stages. Increase Gain1 and
Gain2 to obtain more crunch and sustain.
Gain2 Indicator: Green LED. Lights when Gain2 stages are engaged.
Bass: This control adds or reduces bass tone.
Mid: Adds or takes away midrange EQ. This is a responsive frequency control for guitar.
Treble: Increases or reduces treble. Start
around 12 o’clock and adjust to taste.
Presence: Adjusts the midrange and high end in the power amp section. Also has a slight effect on
the gain.
Master: Final volume control. While the VVA50 sounds good at low to mid volume level, the amplifier
will really start to sing as the Master is increased.
Standby Switch: Wait approximately one minute, after the Power switch is engaged, before placing
this switch in the ON position.
Power Switch: Turn this ON for about one minute before taking the amp out of Standby for maximum
tube life.
Power Indicator: This lamp is on when the Power switch is enabled. There is no indication for
Standby, other than the switch position. Up is on.