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Adcom GFA-565 Amplifier
Manufacturer:
Model:
GFA-565
Date:
unknown
Class:
Type:
SubType:
Power Amplifier

Information

The Adcom GFA-565 is a monaural power Amplifier rated at <0.02% THD from 20Hz to 20kHz with 300 watts into 8 ohms, 450 watts into 4 ohms, and 850 watts into 2 ohms. The output stage is capable of greater than 60 amps into low-impedance loads. The Amplifier employs a discrete dual-differential cascode Class-A front-end followed by a dual cascode Class-A voltage gain stage which amplify the input signal to the voltage required at the output of the Amplifier. This high-voltage signal drives the high-current triple-Darlington-follower output stage which amplifies the current by a factor of about 50,000.

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Service Manual
Manual type:
Service Manual
Pages:
21
Size:
1.14 Mbytes (1195529 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
20 April 2014
MD5:
597638288bc2714bb46a2633ae153806
Downloads:
721
Service Manual
Manual type:
Service Manual
Pages:
22
Size:
3.59 Mbytes (3764151 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
26 August 2017
MD5:
f32f48eca770be8343165cf52b24bdf5
Downloads:
391

Information

Introduction ... 1 Service Parts List ... 3 Audio Input/Driver PCB ... 10 AC Input/Bias Time Delay PCB ... 10 Left Output PCBs ... 11 Right Output PCBs ... 12 Filter Capacitor PCBs ... 13 Options PCBs ... 13 Performance Data ... 14 Specifications ... 16 Schematic Diagram ... 18

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