Need help?Do you have a question about the Perreaux PMF 2150 B and is the answer not in the manual?
Instructions for removing the top cover and rail fuse for adjustment.
Details mains and rail fuse ratings and transformer tapping information.
Steps for safely powering on the amplifier with milliammeters connected.
Procedure for adjusting quiescent current using milliammeters and trim pots.
Testing THD at 20kHz and adjusting for minimum distortion.
Testing THD at 1kHz into 8 and 4 ohm loads.
Observing input and output square waves to check for tilt, overshoot, or ringing.
Observing input and output square waves at 20kHz with and without 8 ohm loads.
Testing the amplifier in bridged mode with a 1kHz sine wave.
Measuring noise levels at the output across a specified bandwidth.
Testing the damping factor using a specific circuit and noise meter.
Subjective listening test using high-quality equipment.
Instructions for completing and submitting a service report for product improvement.
General advice on visual inspection, checking for damage, and basic repair steps.
A chart correlating symptoms with potential causes and checks.
Commonly used conductor colours for mains power cords in various regions.
Explains dual primary windings and how to connect transformer taps.
Diagrams showing wiring configurations for a four-tap transformer model.
Diagrams showing wiring configurations for a six-tap transformer model.
Diagrams showing wiring configurations for an eight-tap transformer model.
Lists modifications to check on amplifiers requiring service or a quick check.
Details the components and changes included in the 1983 update kit.
Update information regarding the power rating of Zobel network resistors.
Update regarding replacement of input earth resistors with wire.
Instructions for replacing resistors, installing heat sinks, and wiring for 120VAC.
Cosmetic modification to replace vented end plates with non-vented ones.
Upgrade of output terminals to heavy duty, gold-plated units.
Upgrade of input jacks to gold-plated units for better contact reliability.
Replacing the input capacitor with a polycarbonate type for improved performance.
Procedure for replacing front panel end plates using a specific screwdriver.
Detailed list of test equipment required, including oscilloscopes, loads, and analyzers.
Diagram and explanation for building a load switching box for amplifier testing.
Essential guidelines for connecting the amplifier and test equipment correctly.
Diagram illustrating the complete test equipment hookup.
General| Power Output (8 Ohms) | 150 W |
|---|---|
| Power Output (4 Ohms) | 250 W |
| Signal-to-Noise Ratio | > 100 dB |
| Damping Factor | > 100 |
| Frequency Response | 10 Hz - 50 kHz |
| Input Sensitivity | 1.5V |
| Slew Rate | 30V/µs |
| Type | Solid State |
To Next Page
