Technics / SA-404 / 1970s

Technics SA-404 Stereo Receiver. 50 watts. 1978.

Technics SA-404 restoration photograph 1

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Technics SA-404 restoration photograph 2

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Technics SA-404 restoration photograph 3

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Technics SA-404 restoration photograph 4

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Technics SA-404 restoration photograph 5

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Technics SA-404 restoration photograph 6

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Technics SA-404 restoration photograph 7

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Technics SA-404 restoration photograph 8

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Technics SA-404 restoration photograph 9

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Technics SA-404 restoration photograph 10

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Technics SA-404 restoration photograph 11

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Technics SA-404 restoration photograph 12

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Technics SA-404 restoration photograph 13

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Technics SA-404 restoration photograph 14

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Technics SA-404 restoration photograph 15

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Technics SA-404 restoration photograph 16

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Restoration notes

Restoration work completed in 2020. Cleaned. Replaced all capacitors (including filter capacitors upgraded from 8200uf to 10,000uf Audio Grade) and problematic pre-driver transistors. Power packs pulled and new thermal grease applied. Cleaned all controls. Replaced tuning indicator and stereo lamps (12!). New arc suppression snubber for on/off toggle.