Bose AMPLUS 50

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Figure 2. AmPlus™ 50 Amplifier Block Diagram
High Pass
Filter
Dynamic
EQ
Bass Boost
Bass
Gain Ch.1
(R4)
Power Amp 1
+ -
70V
Zone 1
Remote
VCA
Control 1
VCA
EQ Card
Ch. 1
Level (R1)
Ch. 2
Level (R2)
Channel 1
Input
Channel 2
Input
4 Ohm
70V
70V
+ -
Ch. 1
High Pass Filter Switch (S4)
Power Amplifier Outputs
Amp
Mode
Switch
(S6)
J1
J6
4 Ohm