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Re: ess eclipse series 2

Pappy,

The amp is the 500A Eclipse. I use one and it is a great amp. Bob Bird of AB amps designed it and it shares a lot with their amps From the 80s. The main problem with the Eclipse is the filter caps are too small and will fail if the amp is run hard. I replaced mine with McIntosh MC300 caps ($$$), and I replaced two input caps with newer poly types.
Sound wise the 500A will walk all over a Crown or Phase Linear of the 70s in my opinion. Smooth, extended, and very powerful, over 500 watts per into 4 ohms.
Does the amp work or is it broke? The output stage uses 10 of the RCA to3s per channel. Good luck finding this very good but long gone output transistor. Anyone who works on the AB amps should be able to help you.

Ron-C


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