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bias Classic 60, Audio Research

DOES ANYBODY OUT THERE KNOW HOW TO SAFELY BIAS A CLASSIC 60 AUDIO RESEARCH TUBE AMPLIFIER.

BOUGHT MINE USED--LOVE IT--INSTALLED NEW TUBES--BUT THE BIAS INSTRUCTIONS SOUND DANGEROUS TO SAY THE LEAST.

ANY HELP, MUCH APPRECIATED.

THANKS.

GEORGE
128x128gmardinly
pikukt88
1 posts
 
Hi arc160: Could you send me some photos and procedure so I can adjust my AR classic60? pikukt88@gmail.com
Thanks and saludos from Madrid
Juan Luis
dethklok
8 posts
 
I had a V70 and struggled getting the replacement tubes biased. I ended up sending it to ARC to get it done but it cost me $400. I went back to transistors to avoid the tube hassles. It was a nice sounding amp though.
hifigeek1
770 posts
 
Probably had a servo issue as stated above....
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