hitachi hma-7500

  1. A

    HMA-7500 user/operation manual

    Hi all, I just bought a Hitachi HMA-7500 mkI power amp, have looked on the usual sites, have downloaded the service manual but can't seem to track down the user manual. I know it's probably not really needed but I'd still like to have it. Does anyone have a PDF of one I could maybe get a copy...
  2. L

    Has anyone seen this before? Hitachi HMA 7500 mkii

    So I just picked up this really nice Hitachi HMA-7500mkii with matching preamp and tuner, I was forewarned that the owner had to modify or repair the power supply. I tested it out and everything works as it should, but I was very curious about the dubious looking duct tape... keep in mind that I...
  3. Bert 1100

    Hitachi HMA-7500 MkII project

    I bought this power amp about a month ago, from a local hoarder. It wasn't cheap (300$) but the fact that I could see it in person and test it beforehand ....and it has great big meters and MosFET, and twin power supply....OK, OK, I couldn't help myself :biggrin::rolleyes:. Anyway, It's all...
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