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pioneer

  1. Maydayzero

    headphone upgrade

    So I had a thought. was looking on e-bay and found a bunch of Pioneer se-205 and 305 for cheap. Then I found that I could also buy the drivers from a set of Sony WH-1000XM4 for around $10 per side. so $20ish plus shipping. Is this a dumb idea? Is it even doable? The Pioneer's have 45mm drivers...
    • Maydayzero
    • Thread
    • diy driver headphones pioneer sony upgrade
    • Replies: 4
    • Forum: Headphones
  2. RICK KING

    Pioneer SA-9500 : Troubleshooting Noise

    Hi, I bought the SA-9500 new in early 1977, but pretty sure it is a 76. I have never serviced it. It sat from about 1990 until last year (2020) when I brought it out to use with my phono system. So was used almost every day for 16 years. I opened up and did basic cleaning and once pots and...
    • RICK KING
    • Thread
    • 1976 ground connection noise pioneer pop noise on shutdown sa-9500
    • Replies: 89
    • Forum: Pioneer Audio
  3. JoshuaZ

    Building A Rack

    Greetings! I've got a robust Pioneer Spec system that I'd love to throw into an ACTUAL rack. However finding a Pioneer Spec Rack is impossible, or insanely expensive, and while I love the looks of the racks at AudioRax.com you're pushing $800-900 for a 24U unit. Has anyone built their own rack...
  4. forceof1

    PL-L1000 - Repair in Texas?

    My PL-L1000v has a couple of issues. I have the service manual but it's over my head and would rather have someone look at it. I hear it's a difficult table to fix, but I love the table. One channel on the power board has no output, I'm sure this is an easy replacement or fix but I would like...
    • forceof1
    • Thread
    • pioneer pl-l1000 repair texas turntable repair
    • Replies: 8
    • Forum: Turntables
  5. Richard P

    Pioneer SX-6000 Stereo Indicator Bulb Replacement

    Hi folks. I'm finishing up some work on an SX-6000 and need to replace the stereo indicator bulb. The schematic shows a 6.3V, 0.03A bulb in series with a 470 ohm resistor. This bulb is turned on by the MPX unit through a transistor (2sc711) and the MPX schematic indicates Imax for the...
  6. C

    Pioneer HPM-60 Replacement Woofers

    All, My Pioneer SX-750 amp is in the shop for recapping and LED upgrade and I've turned my attention to my Pioneer HPM-60s. Too many years ago to remember, I replaced the woofers with Pyramid brand woofers. They sound pretty bad now and I'd like to replace them to go with the refurbished...
  7. Devileyes

    Pioneer SX-3800 Surprise!

    So I bought this very nice external condition SX-3800 from a seller on an auction site. In the pics, in the auction, the receiver looked like new. The seller stated that it powered up, but had no output. Since I plan on learning about this stuff, I decided to buy it...with the idea maybe someday...
  8. I

    Pioneer CT-3131A right channel not working

    Hello everyone! I recently acquired a Pioneer CT-3131A (its the same as the 4141 except for dolby) toploader deck for basically nothing. It needed a power cord, belts replaced, motor oiled and it works like a charm... except that the right channel doesnt exist. It doesnt work in either playback...
    • iPhoenixDave
    • Thread
    • cassette ct ct3131 ct4141 deck pioneer toploader
    • Replies: 3
    • Forum: Tape
  9. klamsoss

    Pioneer sx 3600 fm stereo indicator not working

    I picked up this little pioneer at a garage sale. It needed some new bulbs and a cleanup, and I went ahead and recapped it. The fm stereo indicator didn't work when I got it, and still doesn't work even after the recap. The bulb isn't dead, though. The posts feeding the bulb are obviously not...
  10. 4eyesmusic

    Pioneer DSS-E6’s all re-foamed!

    The E6’s are back in operation. I posted up my (first time) speaker re-foam experience up on YouTube, With a “How to” on removing the grills. Now for some listening time :music:
  11. klamsoss

    Pioneer sx 3600 with no stereo indicator

    I got this little 3600 at a garage sale and figured it would be a good little unit for MY garage when I'm working on the car or my bikes. Anyway, I cleaned it up, recapped it, and replaced the couple known noisy transistors (2SA 826s-->2SA992 and 2SA798 --> 2x 2SA992s), replaced a couple bulbs...
  12. merlynski

    Tuner alignment gear question, for Pioneer Tuners

    Question for those of you who do Pioneer FM tuner alignments. What equipment do you use? Is it modern gear, or vintage? If you can/will, quote what you paid for it and when. Did you repair the test equipment before you used it? How often or how many have you done? I am thinking about doing...
  13. merlynski

    Pioneer PA3004 chip PCB substitute - link

    Here is a link to an open source replacement pcb for the Pioneer PA3004 Protection SIP. It is available with Gerbers, Eagle files and BOMs for both SMD and Through hole versions. This is collaborative project by AK members. PA3004 chip PCB substitute | Audiokarma Home Audio Stereo Discussion...
    • merlynski
    • Thread
    • pa3004 pioneer protection board protection circuit protection ic
    • Replies: 1
    • Forum: Solid State
  14. 4eyesmusic

    Speaker re-foam Pioneer DSS-E6

    Hi all, I have been lurking here on audiokarma and really enjoying all the great help and info you all share. I recently purchased a set of Pioneer DSS-E6’s that need the woofers re-foamed. I have new foam on the way from Simply Speakers. Has anyone had experience with these...
    • 4eyesmusic
    • Thread
    • dss-e6 pioneer refoam repair speakers
    • Replies: 1
    • Forum: Speakers
  15. D

    PIONEER SX-939 Receiver Recap w/ help from eBay Seller - an AK Connection

    Hello, AK Land, I just finished up recapping (and retransistoring, and redioding) my dad's old SX-939 he and I bought locally off Craigslist four or five years ago. Five years ago? We might as well be living in another world now, LOL. I bought three kits off eBay from a seller who refers his...
    • drp1003
    • Thread
    • pioneer pioneer sx-939 sx-939 sx-939 receiver
    • Replies: 4
    • Forum: Pioneer Audio
  16. B

    Replacing glass windows on Pioneer Spec-4 VU Meter

    I bought my spec-4 with a crack in both VU meter windows. Luckily, the VU meters themselves are actually encased in a clear (acrylic?) case and can use the spec-4 without the glass windows. I've removed the broken glass, but I'm having difficulty finding a source for glass this small (2" x 4" x...
    • Boastless
    • Thread
    • pioneer pioneer spec-4 replacement glass spec-4 vu meter
    • Replies: 7
    • Forum: DIY
  17. I

    Pioneer SX-750 power switch mod on HG model

    Hello Everyone! I'm relatively new to vintage audio but the love is strong with my Pioneer SX-750 from 1977. I started doing a recap on it after numerous hours of research not to do wrong. The power supply and protection board AWR-099 is done, it went smooth, I'm currently waiting for all the...
    • iPhoenixDave
    • Thread
    • pioneer power switch power switch modification sx-750 triac
    • Replies: 16
    • Forum: Pioneer Audio
  18. H

    Pioneer PL-41 TT tonearm rewire, making a plan!

    Hi- working on a PL-41 TT + a parts machine on the way, so hoping for success to get to hear this beautiful, simply designed machine. Sadly the main TT, which is mostly in darn nice shape, has a dent in the tone arm tube I didn't notice in the pix. Parts donor TT looks to have a good arm, I...
    • hob
    • Thread
    • pioneer tone arm turntable vinyl
    • Replies: 21
    • Forum: Pioneer Audio
  19. bimotarich

    Pioneer Pure Malt system

    Pioneer Pure Malt Amplifier and CD player with Klipsch Forte II speakers...
  20. J

    SX950 restoration issue

    I appreciate everyone’s input on this forum and I have learned a lot from reading about other people’s issues. I was inspired to take on my first project, of this type, knowing there was a lot of knowledgeable people on the forum. I am restoring an SX950 that I bought new in 1977. It worked...
  21. alexhastings

    PA3004 chip PCB substitute

    After discovering a failed PA3004 chip on my SA-7700 rebuild, and paying $35 for a single replacement, I asked @merlynski to help me design a PCB substitute, so we can all keep rehabbing these old units without paying exorbitant prices for new "old stock" chips. Our design goal was to replicate...
    • alexhastings
    • Thread
    • pa3004 pioneer protection protection board protection circuit protection ic protection mode protection problem protection relay relay click
    • Replies: 66
    • Forum: Pioneer Audio
  22. toby7362

    Receiver choices

    Hello all, I am looking for a vintage receiver to support my Yamaha YP-D71 TT. I currently have a Fisher 1035 but am looking for something with a little bit more output and a cleaner sound. Am looking forward to your responses. Thank you so much.
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