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In Reply to: RE: ID and Opinions on this Ampzilla posted by George S. Roland on March 24, 2015 at 09:03:34
That's waht I would call an Ampzilla I, the II had peak lights.Neither will drive 4R.
Due to the age any of them will need to be completely rebuilt, even the resistors stripped off the boards and replaced.
With better quality caps (junk the ceramic types) it will then hang in there with about anything modern (other than the inability to drive 4R well).
(it looks cool too)
Same things apply to the Son of Ampzilla as well, except that it can drive as low as 2R.
Edits: 03/24/15 03/24/15 03/24/15 03/24/15Follow Ups:
Why the resistors? They don't age unless they are carbon composite, and that amp is too new to use them. I agree about the electrolytics, but any film caps (if their are any) should still be fine.
Dave
5% carbon film resistors have copperweld leads (as do m any small film caps).
The copper striker coat on the steel lead fails and the part goes open, or intermittent.
The quality of the tin end-spray lead attachment on inexpensive film caps also fail over a perion of years.
Ceramic disc caps don't sound the best.
Bongiorno didn't think caps made a difference, and he also used a lot of push-on terminals for ease of assembley.
Better caps throughout makes for a big improvement in sound, as does the elimination of the push-on connectors.
The bi-metalic thermostat in series with the speaker out isn't the best idea either.
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