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Integrated amp: repair or replace

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Massive Dynamic:
I’ve got an inexpensive Class D amp in my system taking the place of a nicer Class A amp that developed a hum. A job layoff delayed sending it in for repair, and now the amp is at least 20 years old.

If I replace that Class A amp, here’s what I need:
-must drive 4-ohm speakers
-dedicated sub-out or pre-outs
-4+ inputs

Amps from NAD or Arcam might do, but I’m open to recommendations for gear I’ve not found in my initial searches. Budget is ~$700, which is a bit more than the anticipated amp repair costs.

grawk:
Which class D amp? I prefer my ice power based diy class d amp to my old hafler and marantz class a amps.

Massive Dynamic:

--- Quote from: grawk on January 19, 2025, 05:43:59 PM ---Which class D amp?

--- End quote ---

A Panasonic XR-25 that I paid a little over $100 for. It's ok, but it doesn't sound as good as the Primare. And the sub out quit working.

grawk:
https://www.ebay.com/itm/396131602569?_skw=icepower&itmmeta=01JJ1STF2H7HNTZYTA46VGT5KQ&hash=item5c3b489089:g:sGwAAOSwfRxniui-&itmprp=enc%3AAQAJAAAA4HoV3kP08IDx%2BKZ9MfhVJKkr%2BCjtgc4uy%2FwHDp%2FXwfkCL8bOaEuP%2FcRIaeLd8nXpLMRAaYGBd8WPQzbSGrYkMLu2WD3a47qI01bgARix6qT8PbMlgLk%2BZ%2B36VISL%2FpqWLzLONUFgCWxqiD5Pp90lAGmHfG9ObXDQeZlQ5128R%2Bf0%2FD9m6CT8nHgyGbI6C0xPgxZ2olthYBdK1yx4idxnCLX%2FNXi6rnCnkjaFf7PeFMJ4gnegkF9y6hQ2iuX2v%2FmPi1BnYT%2BqKNOJfuHWjbe%2F%2BnLdDg6xlvAxt0HtBQR645SC%7Ctkp%3ABk9SR8Tx6bmQZQ

Gutbucket:
I used a couple panasonic xr55s for years, the slightly later bigger brother of the xr25.  They sounded very good and were flexible enough for my needs. I especially liked their very transparent and particularly useful tone controls. Biggest problem was that the internal power supplies were a bit undersized. They weren't current monsters, but otherwise decent early class D. 

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