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a-250

  1. D

    Dynaco A-250 any info are they Rare?

    Hi I picked up these Dynaco A-250's. Can't find a lot of info on them. Seem to be made around 79 or 80 I think after Dynaco sold to ESS. They don't have seas drivers no drivers are marked except for tweeters are polydax, 3" mid-range is just stamped Japan, woofers are stamped with date Oct 26...
  2. Kingbleu

    Harman Kardon A-250 lets get it operational

    Harman Kardon A-250 tube amplifier. This is the version with three 12AU7 and three 12AX7. I ordered some caps from mouser and others from just radio. C1, C2 120uf 250V - 120uf 450v Miec C12 .05uf 400V - .05uf 630v Brown dip C25 .05uf 400v - .05uf 630v Brown dip (C25 is .1uf on the sams photo...
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