Rocktron VP4 - Manual (Page 3)

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Front Panel
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GAIN control
Adjusts the amount of drive for Channel 1. Higher settings increase distortion and
sustain. 60's British Style clean.
BRIGHT switch
Increases "sparkle" and "bite" of the channel 1.
BASS, MID, TREBLE controls
This is where you decide the "personality" of the channel. The BASS, MID and
TREBLE controls are your classic bridge-T configuration (found in most of the
popular guitar amps throughout history).
CHANNEL "ON" LED
When the LED is lit the channel is active.
MASTER control
Adjusts the overall volume of Channel 1.
INPUT jack
This ¼" jack accepts the output from the guitar. This input takes precedence over
the rear input jack (see "Rear Panell - point 5)
CHANNEL switch
Selects one of the four channels in sequence - 1 through 4. Also used to store
midi data. See the MIDI section for more information.
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2
3
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Channel 1 Clean
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6
5
7
Channel 2 Crunch
GAIN control
Adjusts the amount of drive for Channel 2. Higher settings increase distortion and
sustain. Hotter than channel 1 - Texas style "crunch"
BASS, MID, TREBLE controls
This is a finely-tuned version of the claissic bridge-T configuration modeled after
American amps of the 50's and early 60's.
CHANNEL "ON" LED
When the LED is lit the channel is active.
MASTER control
Adjusts the overall volume of Channel 2.
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