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olson

  1. david winter

    Olson stereo amps & docs ?

    Hi, It looks like there's little technical information about Olson tube amplifiers. I'm trying to go through an unidentified model equiped with a 5AR4 rectifyer, four EL84 PP and 5 12AX7 (all testing good). There's some residual audible ripple after recaping the power supply whatever the...
  2. Bruno Primas

    Olson RA-580 Tube Tuner

    I started going through this tuner by taking inventory on the caps and resistors so as to replace them. One of these 5 watt resistors off of the filter cap has unreadable identifying marks and does not measure using a multimeter. Does anyone have the schmatic or value that this resistor could...
  3. S

    Vintage olson s-784 12" 3way woofer

  4. Mlistens03

    Olson RA-280 repair questions

    I was given a Olson RA-280 when I purchased a Lafayette receiver, and I’ve been told it’s broken, although no details on what it does. After sitting in the closet for 2 months or so, I’ve pulled it out to see I found I can fix it. AFAIK, this amplifier was a kit produced in the 70s, by some...
  5. Dolly the Olson Clone

    Dolly the Olson Clone

    DIY clone of an Olson console stereo SE 6BQ5 amp
  6. Dolly the Olson Clone

    Dolly the Olson Clone

  7. SE 6BQ5 Olson console amp

    SE 6BQ5 Olson console amp

    I pulled this out of an Olson console. Added a power switch, fuse assembly, volume pot, jewel light, and new power cord. EZ81 rectifier, 12AX7 driver, and EL84/6BQ5 power tubes. Pretty amazing sound from an amp smaller than a shoebox!
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