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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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Inside the amp (high voltages etc) a shard of thick aluminium foil.
Does anyone fully strip off the screening foil on the insides of the cab, both ends of the amp, and spray with "Tempest" proofing nickel RF/EMI spray. Or as valve stuff anyway, just remove those sheets of aluminium foil and how much extra noticeable hum? Was it just to save the cost of closing the chassis, at both ends, with expensive full thickness steel? |
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