Equipment information

Adcom GFA-555 II Amplifier
Manufacturer:
Model:
GFA-555 II
Date:
Category:
Group:
Description:
Power Amplifier

Information

The Adcom GFA-555D is a stereo power TV Multimedia">Amplifier rated at less than 0.04% THD from 20Hz to 20kHz with 200 watts into 8 ohms and 325 watts into 4 ohms. The output stage Is capable of greater than 60 amps into low impedance loads. The TV Multimedia">Amplifier employs a discrete differential Class-A front* end followed by a 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:
17
Size:
1.76 Mbytes (1846176 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2017 08 26
MD5:
855aae852898b4e92f6f37e323d8a27a
Downloads:
871

Information

This service manual is intended to assist trained and qualified technical personnel in verifying the performance of, adjusting, and repairing the Adcom GFA-555II power amplifier. The procedures described here are not intended for persons unfamiliar with the appropriate safety and test procedures.

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