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Old 30th March 2007, 04:14 AM   #1
rhtatro is offline rhtatro  United States
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Join Date: Mar 2007
Default Hello from North Carolina

Joined today 3/29/07.
I am a hobbyist-level electronics tinkerer with audio interests.
I just bought from ebay a Quadraflex Reference 650fet r receiver that has a strange problem: No speaker output to either A or B unless both A and B buttons on, then heavy distortion when I turn up volume. Tuner works fine. Headphone output okay.
It kicked on the protection overload lamp and I don't know how to cure that, when no load on speaker outputs.
I have new mosfets on order.

I would like to get my first mosfet amp to work, it was cheap - $28.00

I have my current audio gear:
Onkyo TX-SV909PRO TOTL in 1993, (no dolby digital circuits only prologic).
400 disc Sony CDP-CX455 CD changer, Sanyo Plus Q60 TT with A-T 155LC cartridge, TEAC V-8030S Cassette, Technics DBX Cassette RSM-245X, Kenwood KX-7030 cassette.
RTR Digital series V 12" speakers front mains, Paradigm Center channel, 4 Titan Paradigms for the 4 effects channels. (Most gear from Mid 90's), TT and A-T cartridge from 1981.

I previously had a Sansui Z-9000X receiver that was made by angels, Akai AA-R40, JVC RX-309.

I look forward to your help, and will give any advice where I can.

Any help, schematics, etc, for the mosfet receiver?
Bob Tatro in Hillsborough, NC USA
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Old 30th March 2007, 04:13 PM   #2
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Cal Weldon's Avatar
Join Date: Jan 2004
Location: Near Vancouver
Hello Bob and welcome to the forums. As far as schematics go, you might want to post that request in another section as not everyone looks in here.
planet10 needs your help:
Let's help Ruth and Dave
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