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pioneer

  1. jFF_Bulbo

    SX 1050 questions

    Hello AK'ers. I'm working pm power supply, and i was wondering about some changes: 1.- can i replace the ceramic caps with films caps? Foto Old one is the righ. 2.- the supply board has printed "1A 125V" on the fuses places. I actually can't find 125 v fuses. Can them be 250v instead...
  2. bemboc

    Pioneer SX-690 restoration project

    Hallo, I am Gyula from Hungary. I bought an incomplete receiver from a friend. It already works electronically, I replaced the STK0039 integrated circuits and some components. Unfortunately, the front panel is missing. I buyed more parts from ebay, but I haven't found a nice front panel. I...
  3. Anonky

    QX-949 repair

    Long story short I have a pioneer qx-949 with a weak right channel in stereo mode on AM/FM/phono inputs; there is essentially no bass output and treble sounds off too in the weak channel. AUX input works perfectly in stereo mode (no weak channel). To make things more interesting, when I flip the...
  4. Audiochump

    Best crossover replacement for Lascalas

    I am going to replace the crossover networks on my 1984 AL crossover Klipsch Lascalas. I have gone through the old threads and they (for the most part) have left me a little dizzy. Currently, neither one of the K 77 tweeters are working at all. So, before I replace the tweeters I think that...
  5. Tyler Prock

    Recapped better than spec pioneer sx-1010 or…

    May have the opportunity to trade my up to spec pioneer sx-1010 for a dynaco pas3, st 70, and an fm-3 plus a little cash on my end I could really care less on the tuner. So that’s not a plus to me in anyway. But I have been very curious of tube separates lately. I’m running Cornwalls with the sx...
    • Tyler Prock
    • Thread
    • advice dynaco help pioneer solid state st 70 sx-1010 tube amp
    • Replies: 3
    • Forum: Pioneer Audio
  6. Goldinmyear

    Hoarding again..

    Just so much clutter... Everytime i post them for sale ,I get flakes and low ballers. Is your classifieds like that to?
  7. perby

    Pioneer PD-4550 tech support :)

    Hey there friends, I recently acquired a Pioneer PD-4550 CD deck (10 bucks!) that is in near-perfect cosmetic condition. The problem is when I try to play a CD, it spins the disc twice then gives out. I took it apart to take a peek inside, and the lens was loose in the unit (but sources around...
  8. perby

    Hey there new member here :)

    Hello friends, I am perby and I have arrived. I recently got a Pioneer PD-4550 CD deck for 10 bucks at a thrift store :) it's in nearly perfect cosmetic condition but it is not functioning, but I will take this to the manufacturer's thread with details. I hope to have a nice time with you all...
  9. K

    Pioneer SA-9500 pre out/main in. To connect or not to?

    Hello! Long time lurker here, just got around to getting my hands on a Pioneer SA-9500. Its my first vintage audio kit. I love the big chunk of metal, however, I feel like the amplifier is lacking some bass, and im unsure if the pre out/main in should be connected via dummy plugs or not? Ive...
    • kosnik
    • Thread
    • main in pioneer pre out sa9500
    • Replies: 6
    • Forum: Solid State
  10. Morpa

    Pioneer SX-330 schematics

    Hi everyone, I got hold of a fine SX-330, a low end model from end of 60's, early 70's, low end, but lovable. This one - https://stereonomono.blogspot.com/2019/04/pioneer-sx-330-receiver.html However, I could not find the schematics for it online. For it's bigger brothers in the same series -...
  11. Ron13a

    Pioneer Brand Oil in a Pioneer Vial.

    Have any of you seen this before? I searched Google and couldn't come up with anything. It seems like an awesome collectable if nothing else. It's been sitting in a drawer with my Pioneer over-hang gauge and some Pioneer headshells and hockey puck 45 adapters.
  12. davstev

    Pioneer Elite PD-75: Mods?

    HI all, I recently picked up a very nice Pioneer PD-75 Elite Cd player in very good condition. It is beautiful to look at and it sounds spectacular. I am not dissatisfied with it at all, but I wanted to ask the group if there are modifications that one can make to this player. I've heard of...
    • davstev
    • Thread
    • cd cd player elite pd-75 pd-91 pd75 pioneer pioneer elite reference urushi
    • Replies: 0
    • Forum: Pioneer Audio
  13. DrFaustus

    Arm Pipe Replacement for Pioneer PL-530

    Hi all, I recently picked up a Pioneer PL-A500 (the Japanese version of the PL-530). As you can see in the picture, the arm pipe is corroded and needs to be replace (can't polish chrome that isn't there). My question is, is it possible to replace just the arm pipe, or would I need to replace the...
  14. goldswimmerb

    SA9500II bias balance

    Hey, so I have an SA-9500II here where the bias balance is "off". One pair of outputs is reading 20mv bias while the other set is reading 40-60mv... I'm just trying to figure out how this would be possible, there's no audible (or visible) distortion on the scope either, but obviously something...
  15. DodgeShadow

    Glad to be a part of the community!

    Good afternoon (or morning/evening, whichever applies) Everyone! I've been collecting audio gear for a while starting with car audio and eventually moving to home audio once I had a grasp on the car audio, which is what bring me here. My father has been a big influence, while he may not be an...
    • DodgeShadow
    • Thread
    • argos bic cerwin vega frazier kenwood onkyo pioneer realistic superscope technics
    • Replies: 14
    • Forum: Introductions
  16. N

    Looking for a volume control for an SX-950...

    I've been searching for an ACV-164 to replace my SX 950 volume control which has a snapped shaft. Does anyone have any idea's?
  17. G

    Clean up (and paint??) a Pioneer PL-516

    Hi all, So I just purchased (locally, here in Montreal) an old Pioneer PL-516. It's in good shape, i.e. — it functions well! And sounds great. (I have a Pioneer PL-514 also, that I have plans to fix up and restore — it also sounds really good, but has some problems with the auto-return, etc)...
    • gurdyp
    • Thread
    • clean nicotine paint pioneer pl-516 turntable
    • Replies: 6
    • Forum: Turntables
  18. D

    Pioneer STR-11L Power Switch

    Hey there, My first post on here but followed the site for some time. I have recently bought a Pioneer STR-11L receiver which is in great condition apart from the power switch. It won’t turn off so have to switch the receiver off at the mains. No hardship as such but would like to get it fixed...
  19. ikonw8

    Pioneer SX-828 Power Supply Heat Question

    Thank you all! I am restoring a Pioneer SX-828. While it's not my first time restoring a receiver, it is my first Pioneer. At this point, all the boards have been re-capped, new semi-conductors on the Main, AF, Head, Protect and Power Supply. The unit operates normally, protect relay...
    • ikonw8
    • Thread
    • heat pioneer pioneer sx-828 power supply troubleshooting
    • Replies: 5
    • Forum: Solid State
  20. S

    Pioneer sx 450 won't power on

    I'm having a problem with my pioneer sx450. It's flickering and won't power on. At first everyone said it was the power switch so I tried to clean it but then when I disconnected my speakers I could hear this crackling from the transmitter. I didn't think this was Normal but I wanted to confirm...
  21. Y

    How to upgrade stereo

    Hey all- For years I’ve been listening to music on my pioneer solid-state receiver SX-737, pioneer turntable PL- 530, and JBL L88 speakers. The set up looks great but the sound is only OK. Either not enough bass or kind of booming, or sometimes too much high and low and no mid, and overall just...
  22. GokhanB

    Help for connecting to Pioneer equipment

    Hello friends, if I open the topic to a wrong section, please warn me. Pending on my system to be installed; Pioneer SA-7800 + SG-9800 + TX-9800 + CT-F9090 + RG-2 + PL-540 and DV-525 DVD player. How can I do the most accurate connection of these devices. I need you your help. I would like to...
  23. TunerLanding

    Best Looking Vintage Amps/Tuners/Receivers plus sound rating 1-10

    Hey guys, thought this might be of some interest. I bought an au-666 and tu-666 Sansui combo because it looks amazing and the audio properties sounded fair also. What vintage kit does everyone else find visually beautiful? And how does the sound match? Do receivers look better than...
  24. T

    Vintage Pioneer Receiver + Speakers, Technics TT

    First time posting on audiokarma, thought id share my set up and get some opinions! Currently im using: -Pioneer SX-535 -Pioneer CS-500G -Technics SL3200 After using the Ortofon 2m Red for some time, I decided it was time for an upgrade. I went with the Grado Black3, and decided to return it...
  25. I

    Pioneer SX-939 Circuit Protection Switch Issues

    I picked up a SX-939 receiver recently and I've been plagued by the circuit protection relay going off and on again--or sometimes not on at all. The first thing I did was clean all of the pots and switches with Deoxit as its was popping and crackling all over the place. I popped the case off...
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