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mac 1500

  1. T

    Gels for elder Macs

    This is not another blue gel (filter, in factory parlance) thread. I have three units at issue. The Mac 1500 receiver came with a green meter gel. Does anyone know what the correct replacement is? (As an aside, perhaps I should try a blue gel -- the existing, but worn-out, green in not...
  2. Chriswashere

    McIntosh / Mac 1500 questions

    Hey all, it’s been a while since I’ve been on here. A few months ago I was helping a coworker move and found this MAC 1500 which belonged to his brother. It was partially disassembled and hasn’t worked since at least before 1981. The rest of his setup was all broken as well, though I’ve taken...
  3. Beeb

    Worth of McIntosh 1500

    What is a fair price for a McIntosh 1500 that sounds good, has been totally recapped, is all but mint cosmetically (in a wood case), and has both three of its original tubes and a spare set of four later era tubes for a total of 8. (Sorry, don’t know the strength of any of these aside from the...
    • Beeb
    • Thread
    • mac mac 1500 mcintonsh mcintosh 1500 receiver tube
    • Replies: 12
    • Forum: Dollars and Sense
  4. SudoSpencer

    Mcintosh MAC 1500 Bad tube? Bias Adjust?

    I came across a Mac 1500 the other day. After firing it up on a dim bulb tester and seeing no issues, I then proceeded to plug it in normally and try to set the bias. It's supposed to be .7v for all 4 of the output tubes. I tried this and 3 of them got there, the 4th tube won't go past about...
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