Macro-Tech 1200 Amplifier Service Manual
16
Test 20: Clipping
Spec: No protective action during test.
Initial Conditions: Controls per standard.
Procedure: Load each channel to 8 ohms. Inject a 1 kHz
sine wave at each input and drive output 6 dB into clip
for 10 seconds. The amplifier should not activate any
protective circuits (ODEP, Fault, or LF Protection).
Post Testing
After completion of testing, if all tests are satisfactory,
the amplifier controls should be returned to the posi-
tions required by customer. If conditions are unknown
or unspecified, factory settings are as follows:
Level Controls: 9 to 11 O’Clock.
Sensitivity Switch: 0.775V U.S., 1.4V International.
Stereo/Mono Switch: Stereo.
Ground Lift: Lift.
Power: Off.
Electrical Checkout Procedures
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