Equipment information

Adcom GFA-565 Amplifier
Manufacturer
Adcom
Model GFA-565
Date
Category: Audio, Video, TV, Multimedia
Group Amplifier
Description 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.

These manuals are available for the above equipment:

Adcom -- GFA-565 -- Service Manual
File name Adcom-5715-Manual-Page-1-Picture
Manual Type Service Manual
Pages 21
Size 1.14 Mbytes (1195529 Bytes)
Language english
Revision
Manual-ID/Number
Date
Quality Scanned document, all readable.
Upload date
MD5 597638288bc2714bb46a2633ae153806
Downloads 293 since 20 April 2014
Information
Adcom-5715-Manual-Page-1-Picture
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Adcom -- GFA-565 -- Service Manual
File name Adcom-9420-Manual-Page-1-Picture
Manual Type Service Manual
Pages 22
Size 3.59 Mbytes (3764151 Bytes)
Language english
Revision
Manual-ID/Number
Date
Quality Scanned document, all readable.
Upload date
MD5 f32f48eca770be8343165cf52b24bdf5
Downloads 31 since 26 August 2017
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
Adcom-9420-Manual-Page-1-Picture
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