
VTX350H Three-Channel  Guitar Amplifier with Advanced DSP
System Block Diagram:
  | TUNER  | 
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  | A BC D EF G  | CHANNEL 1  | 
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INPUT  | 
  | FLEX  | 
BUFFER  | 
  | WAVE  | 
INPUT  | 
  | (LOW  | 
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  | GAIN)  | 
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  | GAIN  | 
LEVEL
LOW MID HIGH
CHANNEL 2 | 
  | |
FLEX  | 
  | |
WAVE  | LEVEL  | |
(MEDIUM  | ||
  | ||
GAIN)  | 
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GAIN  | LOW MID HIGH  | 
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  | CHANNEL 3  | |
FOOTSWITCH  | FLEX  | ||||
WAVE  | |||||
1  | 2  | 3  | 4  | ||
(HIGH  | |||||
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  | GAIN)  | |
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  | GAIN  | |
MUTE ![]()
SWITCH
CONTROLLER
TAP/  | DSP  | |
A/B  | ||
SAVE  | ||
  | 
DSP
LEVEL
LOW MID HIGH
LINE
OUT
LINE
IN
POWER
AMP
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REVERB  | DELAY EFFECTS  | 
  | SPEAKERS  | ||
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TUBE AMP
SIMULATING
DAMPING CIRCUIT
15