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harman kardon sr 900

  1. CosmoK

    Harman Kardon SR 900 refurb (and tweaks?)

    I am refurbishing an H/K SR 900. A little background on this unit: it was possibly the first successful solid-state receiver hitting the market in 1964 or 1965 and selling for around $450. Inside it is all point to point wiring, with two output transformers and all(?) germanium transistors...
    • CosmoK
    • Thread
    • h/k harman kardon harman kardon sr 900
    • Replies: 14
    • Forum: Solid State
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