Kind of unorthodox...

Discussion in 'Let's Talk Vintage' started by Dogs of Doom, Dec 5, 2019.

  1. Dogs of Doom

    Dogs of Doom Moderator Staff Member

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  2. ampmadscientist

    ampmadscientist Well-Known Member

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  3. Dogs of Doom

    Dogs of Doom Moderator Staff Member

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    me neither. Must be solid state though...
     
  4. Michael Roe

    Michael Roe Well-Known Member

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    How is it powered? Didn't see a power cable on it?
     
  5. Ken Underwood

    Ken Underwood Well-Known Member VIP Member

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    Marshall made several slave amps between the 70s and 80s, most solid state, all to be used with pre-amps and PA amps.

    Just Google Marshall Slave amps, loads of info there.
     
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  6. metromutt

    metromutt Well-Known Member

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    From a '74 catalogue and a '72 flyer...
    [​IMG]
    [​IMG]
     
  7. Stephen Zador

    Stephen Zador New Member

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    I had one of these and paired it with their (also rare) 9-channel mixer (model 2050). It was a fabulous setup.
    Yes, the slave was solid state using 4 2N3055 output transistors and put out 250 watts. It had a unique schematic (in fact I am desperately trying to locate its schematic). It had no FET-s, all was just regular transistors. The input was a long-tailed pair. The mixer input went to the non-inverting transistor but, interestingly, the output to the VAS waast taken from the inverting transistor, I think for improved high frequncy response. Additionally, it had excellent overload protection, if I remember correctly, something similar to a monostable multivibrator. I would be very grateful if someone could send me the schematic.
     
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  8. junk notes

    junk notes Well-Known Member

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    I almost bought the single horn enclosure; $40 on craigslist. I wanted the nifty head shell :-D
     

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