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General| Signal to Noise Ratio | > 100 dB |
|---|---|
| THD | < 0.02% |
| Total Harmonic Distortion | < 0.02% |
| Damping Factor | >200 |
| Frequency Response | 20 Hz - 20 kHz, ±0.2 dB |
| Voltage Gain | 32dB |
| Protection | Thermal, short circuit, DC, ultrasonic, RF, and overload protection |
| Dimensions | 19" x 3.5" x 15.5" (483mm x 89mm x 394mm) |
Detailed specifications including output power, distortion, and frequency response.
Detailed specifications including output power, distortion, and frequency response.
Detailed specifications including output power, distortion, and frequency response.
Detailed specifications including output power, distortion, and frequency response.
List of components for the 3200 main PCB, categorized by type.
List of components for the 3350 main PCB, categorized by type.
List of components for the 3500 main PCB, categorized by type.
List of components for the 3800 Main NPN PCB, categorized by type.
List of components for the 3800 Main PNP PCB, categorized by type.
List of components for the 3800 Gain PCB, categorized by type.
Overview of the amplifier's functional blocks and signal flow.
Explanation of the dual-monaural power supply circuit.
Description of the differential input stage and gain control.
Explanation of the feedback network for stability and performance.
Description of the driver transistor stages and crossover bias.
Explanation of the output transistor configuration and heat sinking.
Details on protection circuits and signal indicator logic.
Diagnosing abnormal current draw with or without signal.
Diagnosing problems with protection, relay, thermal, and DC circuits.
Troubleshooting relay activation and muting delay.
Diagnosing issues with thermal shutdown and DC protection.
Diagnosing issues when signal is present but amplifier operates incorrectly.
Diagnosing signal instability, ringing, crossover, and excess distortion.
Troubleshooting incorrect current limits and output stage step issues.
Diagnosing problems with amplifier gain and frequency response.
Step-by-step testing for Model 3200, including inspection, start-up, and checks.
Step-by-step testing for Model 3350, including inspection, start-up, and checks.
Step-by-step testing for Model 3500, including inspection, start-up, and checks.
Step-by-step testing for Model 3800, including inspection, start-up, and checks.
Circuit diagram for the Model 3200 amplifier.
Circuit diagram for the Model 3350 amplifier.
Circuit diagram for the early version of the Model 3500 amplifier.
Circuit diagram for the late version of the Model 3500 amplifier.
Circuit diagram for the Model 3800 amplifier.
Printed circuit board layout for the Model 3200.
Printed circuit board layout for the Model 3350.
Printed circuit board layout for the Model 3800 46A.
Printed circuit board layout for the Model 3800 47A.
Printed circuit board layout for the Model 3800 48B.
Printed circuit board layout for the Model 3800 Gain PCB.
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