SYSTEM DIAGRAM
FOUR
Source
Trk 1 
PSC-221
| L | R |
| mono•in | R |
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| Input | attenuation- |
| Output |
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| 12dB in | stereo•out |
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| Ground |
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| RemotePower |
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| L |
To Inputs A
LByPass | L | Input |
LInvert | RByPass |
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| RInvert |
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| R | Ground |
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| RemotePower |
To Inputs B
QBASS 1 | 2 |
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| RCA Output Lowpass |
Pro6800 | INPUTS | L- | L+ |
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| L+ R+ R- |
| 24dB/Octave |
| A | L | R+ |
| L- L+ |
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| Q |
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| R- L- |
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| BASS |
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| R |
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| REM | R+ R- |
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| L |
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R |
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L | INPUTSB |
R | |
| OUTPUTS |
Channel 1 | Channel 2 | |||
HighPass | HighPass | |||
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| tweeter | tweeter | |
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Channel 3 | Channel 4 |
BandPass | BandPass |
Midrange | Midrange |
Channel 5 | Channel 6 |
BandPass | BandPass |
MidBass | MidBass |
8Ω SUB | 8Ω SUB |
PC AMP
Four-Way System Layout using a separate PC amp for Subs
22
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