Technics sh-ge90 service manual6/16/2023 By far the best thing about it is the spatializer - it cannot bring to life otherwise dead recordings, nor can it return grossly lost ambience, but it fairly surprised me how much better, how much more true to life recording can be. If you can get hold of its schematics, you might also investigate a better power supply as a whole, using quality capacitors, not to mention changing critical resistors, and such like. Note also that its power supply is split up - the small line filter and power transformer occupy a separate board - ideal to change it to something more serious, using a decent toroidal transformer. It's a tweaker's joy, with all those el cheapo ICs for op amps. That said, don't raise your hopes too high - if there's a basic deficiency in your system, the best you can hope for is to cleverly conceal, but not remedy it.
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