Davidsons Electronics is the authorized Hafler Repair Center(they were a Hafler warranty center), in your area. They'll have the knowledge(and possibly specific parts) necessary.
Get in touch with Tim Schwartz of Bristol Electronics in Ho-Ho-Kus, NJ. Phone 201-447-4299. Authorized repair center for McIntosh, Arcam, and others. I have used him and he is excellent.
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