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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Balance pot.
I'm searching for a replacement balance pot for an old Harman Kardon amp -
a PM645. It's an Alps 50k MN series - these are the type where the first half of the travel doesn't effect the level but the second half does (in other words no attenuation to either channel at the central indent), so a special for balance use. Other Japanese amps of the period used them too. The mechanical construction is standard dual gang 17mm body type with 6mm shaft, and as it's PCB mounting a direct replacement would be nice. The HK part number is 5113-50399122, but HK say they have no spares for this amp. Alps don't appear to list this pot either. And I'm worn out Googling. ;-) -- *Many hamsters only blink one eye at a time * Dave Plowman London SW To e-mail, change noise into sound. |
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