Ashly MFA-6000 - 9 Typical Applications; Stereo Operation; Parallel Mono Operation

Operating Manual - MFA-8000 and MFA-6000 Power Amplifier
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9. TYPICAL APPLICATIONS
9.1 Stereo Operation
9.2 Parallel Mono Operation
(Both switches out, both inputs used, both level controls used, both outputs used)
(Parallel mono switch in, channel 1 input used, both level controls used, both outputs used)