Audio Research Classic 60 & 120 owners


For those who own one of those, does the power transformer (left one on the 120 and the center one on the 60) get quite warm to the touch after a few hours of operation? Mine get very warm. So much so that i can hardly keep my hand on it for very long. The bias setting is dead on with SED 6550C. Mine were upgraded by GNSC back in 2004.

This is not a new phenomenon. They have been warm like this for as long as i can remember. I had meant to ask other owners but never got to it until today.
Any feedback much appreciated.
smoffatt
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HI, I'm glad to hear there another person enjoying these amps. I've had the ARC 120's in my rotation since the early 90's. The temp situation you describe is exactly how mine behave. They do get hot after a while even with the fans and if I remember correctly they are drawing 300 watts each at idle. I typically use them only in the winter months here in Michigan. If you can manage the time, I would appreciate it you would share any feedback on the GNSC upgrades. I've been thinking about this path for a while. Cheers,
Hello,
I've owned Classic 60 and 120 in the past. Very good amplifier, extremely dynamic and detailed. As far as i remember the power transformer is quite hot after some time, 1 or 2 hours and this is normal. I'm still owning a V35 which is also an excellent amplifier, same circuit design as the Classic 30 but with balanced input.
Laurent