hifigeek1
Responses from hifigeek1
| Audio Research Tube AMP Reliability Most people do not want to spend the money for ARC tubes as they are expensive. I won't fix an ARC amp unless I can use ARC tubes pure and simple. I have had way too many problems with tubes from other vendors and it becomes a huge headache. And y... | |
| Audio Research Tube AMP Reliability I repair ARC on the west coast...Non ARC output tubes are always a very bad idea and should never be used. | |
| Audio Research Tube AMP Reliability The biggest problem isn't the fault of ARC. They rate their 6550's life span to be approx 2-3000 hrs. That being said most people don't keep track of the time they put on their tubes. A few ARC amps have Hobbs Meters on them (elapsed time on the t... | |
| Audio Research D-90 There is also an adjustment around the cross coupler 6FQ7's that needs to happen to set their operating points. That being said it is also possible that one or more capacitors on that channel need to be replaced. In which case given its age you mi... |