Re: Cyrus One
Hi Dave, I worked at Mission-Cyrus from the late 80's until 1999 in their service dept. I saw many Cyrus amp's returned for service that had been repaired with substitute output devices. Usually, they had failed again. After the correct types were fitted (BUV28 for Cyrus One), no more problems occured.
The two smoothing capacitors in the phono stage psu (just behind the volume control) were very prone to failure causing hum. By now, I would think many of the other electrolytics would also be due for replacement too.
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Andrew
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