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st-150

  1. D

    Inherited Marantz Set

    My grandfather recently passed and with that, my grandparents estate has been available for the family to take what we want. Aside from some old tools and keep sakes, I kept this Marantz audio system. They have had it as long as I can remember - I imagine it may be older than I am (1987). I am...
    • davey7865
    • Thread
    • bluetooth cd-152 marantz marantz speakers sp1500 pm-150 sd255 st-150 troubleshooting left channel tt251
    • Replies: 3
    • Forum: Marantz Audio
  2. goldswimmerb

    Dynaco Stereo 150 Biasing

    Hey guys, so i was looking around on this model and saw that the stock bias value is defined as 75ma on the B+ side, I noticed that the Boak-Jung mod defined a 300ma bias at a higher rail voltage, and the stock draw value of 75ma sounds low to me, especially considering the heatsinks don't even...
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