BT220H Bass Amplifier
System Block Diagram:
INPUT
BUFFER
OCTAVE
LEVEL
TUNER |
|
|
|
|
A BC D EF G | FOOT | SWITCHING | ||
| SWITCH | CIRCUITRY | ||
|
| EQ |
|
|
LEVEL | LOW LOW | HIGH | HIGH | CHANNEL |
| MID | MID |
| SWITCH |
|
|
| ||
| NOISE |
|
|
|
| GATE |
|
|
|
SHAPE
DISTORTION
LEVEL
GAIN
EFFECTS LOOP
SEND
MUTE
MASTER
CD
INPUT
RETURN
EFFECTS
BLEND
BALANCED |
| PRE |
LINE OUT |
| POST |
| BALANCED | |
|
| |
GND/ | LINE OUT |
|
VOLUME |
| |
GND |
| |
|
| |
LIFT |
|
|
LIMIT
POWER
AMP
POWER AMP IN
ATTENUATOR
PREAMP OUT
EXTERNAL
SPEAKER
EXTERNAL
SPEAKER
HEAD
PHONES
7
