NOW!!.... These Class A rated amps run HOT!! Over this many years everything is fried on the inside (can you say brittle) LOL.
Hi Matt. Thanks for your reply. The amp does run hot but it has good ventilation and honestly it does not sound brittle. I must say that it sounds better after two hours of being on. A bit softer and mire liquid. It does not have the buttery or romantic sound of tubes but I would hate to waste money just because it is the thing to do. Best regards.
Thanks to unsound and roberjerma. Krell sent me a quote about a year ago of about $800 plus the shipping cost to their shop in CT from NC which would be about $80. They are fetching about $1200-$1400 in the used market and I feel that I would be wasting money. I may have a local tech here in NC to take a peek inside.
That is a pretty hefty price for a simple operation. Component cost is quite low, and for a good service engineer it is not much work. If I remember correctly Quad UK charges a bit over $100 for a similar service to their power amps. Some years ago I had a Quad 303 serviced by a Dutch service engineer for, if I remember correctly, about 200 euro. That included a compete replacement of all caps and all resistors, plus replacing the little red Tungsten light by a red LED for lower noise. So I am sure you can get it done for far less.
pivetta, why not buy a Peak cap checker and measure the existing caps in your amp. Rather than relying on opinion, will give you hard data for each cap on capacitance value, and ESR.....once you have that data, then it will be an automatic and valid answer to your question....