[Heathkit] AA-151 amp schematic needed

[Tom Fine]

Hi All:

I just bought a Heath AA-151 amp on eBay. Does anyone have a scanned
schematic they can send along? Also, any recommended mods for this thing? My
usual MO with amp restorations is to go in and completely go over every
component, generally replacing whatever is out of spec plus usually the
electrolytics and coupling caps (and any dirtied up pots, switches and
connectors). That, a thorough cleaning and new tubes generally brings these
old gems up to spec. But if there's a good mod and I'm in there anyway ...

One thing I noticed right away is the metal case pretty close in over the
tubes. Do these amps vent OK over time (ie do any PC boards hold up OK)?

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Tom Fine