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pioneer sx 1980

  1. M

    Pioneer SX 1980 Trouble

    Hello All…Questions here, if anyone can help. My Pioneer SX 1980 have an intermittent problem as the right channel have lower signals. Besides being lower, it also have less treble or highs than the left channel. The left channel sounds awesome when its working right but sometime sounds like the...
    • Marivic
    • Thread
    • pioneer reciever pioneer sx 1980 pioneer tech pioneer vintage receiver problem san diego los angeles audio repair vintage audio repair vintage audio tech
    • Replies: 21
    • Forum: Pioneer Audio
  2. K

    Pioneer SX-1980 hum both channels

    I’ve got a confusing one on the bench. It’s a Pioneer SX-1980 with hum in both channels. The volume knob had no effect on hum volume. Pulling the pre-amp to main amp pins and the hum is gone. Driving the main amp directly from a portable MP3 player, hum is gone. On the L/R outputs of the...
  3. H

    Amplifier for Pioneer HPM-150's and HPM-100's

    Hi All, I'm in the process of looking for some newer amps to bring my connectivity into modern times. I've done some research but am having trouble finding some modern amplifiers that have the power ratings to run these Pioneers... I took in a pair of the 100's to my local audio dealer and...
    • Hybr1dthry44
    • Thread
    • pioneer hpm-100 pioneer hpm-150 pioneer sx 1250 pioneer sx 1980
    • Replies: 6
    • Forum: Pioneer Audio
  4. J

    SX 1980

    I'm looking for some experienced technician to bring my receiver back to its original glory. I brought it down from the top self in my closet the other day to find the lights go on as soon as I plug it into a socket only without sound. None of the knobs do anything including the power switch...
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