• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

repair

  1. MisterDK

    Anyone else have Altec Lansing 9813b’s ?

    Hi gang, I’m getting ready to redo the surrounds on a pair of Altec Lansing 8913b “studio monitor” speakers. Both woofs and mids need sourrounds, mostly ‘cause they look scruffy. Cabinets are pretty nice and they use the “Mantaray” tweeters. This particular pair was actually used as a studio...
    • MisterDK
    • Thread
    • 9813b altec lansing mantaray repair surrounds
    • Replies: 1
    • Forum: Speakers
  2. automaat

    PIONEER SX1500-TD Dead Channel still blowing after output replace

    Hi everyone, I am a tech working in Canada. My focus is organs, synths, tape gear, etc... My weakness is Power Amps. I took this one on thinking it had a good output section and trouble in the front end. Turns out the left channel was blown. Fuse open. One output device shorted. I changed the...
    • automaat
    • Thread
    • bad channel bias pot replaced output transistors pioneer sx1500td repair
    • Replies: 20
    • Forum: Solid State
  3. T

    Cartridge suddenly sounds muffled ?

    I was playing aeound a bit with a turnable and trying to figure out what cartridge I should mount on it. When I got to one of my 412 mk3s I figured that it sounded great so I left it on the tt. However after 40 minutes of listening it suddenly started sounding muffled, kinda similar to how a...
    • TrevorBarten
    • Thread
    • 412 cartride damaged not working phillips repair turntable
    • Replies: 18
    • Forum: Turntables
  4. T

    Turntable buzzes when turned on.

    I have been working on am akai 206c deck for a bit now and I got almost everything working, except for a buzzing sound when it's plugged in. When not plugged in it does buzz a bit but it's very faint and basically in audible at listening levels. However when I plug the power cable in there is a...
  5. Pub Sub

    Seeking Help in Resurrecting my Kenwood KA-8100

    Hey all! Yesterday I bought a Kenwood KA-8100 that was advertised as broken. Today I need help in restoring it. The inside and outside of the unit are pretty darn clean. It appears as if one corner of the unit took a drop head on and bent but did a pretty good job of protecting the internals...
  6. T

    Wolverine LT12 repair

    Hey all, I am brand new to this community and it is a very exciting place! The reason I am here is that I am trying to fix a wolverine LT12 driver in my grandparents house. My grandpa installed them I believe in the early 70s and one of them does not work anymore. I did some research and it...
    • tbone_97
    • Thread
    • fix-it repair wolverine ls12
    • Replies: 0
    • Forum: Speakers
  7. windsorlad

    Acoustic Research AR4x Potentiometer bypass.

    I inherited a pair of AR4x speakers a few years ago. They are cosmetically in great shape, all original but they sounded like dogs. Something needed to be done. tmad40blue's thread explains the situation far better than I can. Go here first. Today I decided to bypass the potentiometer...
    • windsorlad
    • Thread
    • acoustic ar4x bypass potentiometer repair research
    • Replies: 15
    • Forum: Speakers
  8. razpones

    Polk psw125 subwoofer makes crazy noises

    So I got a free sub made by Polkaudio. I have never owned a subwoofer and figured if it is free then I can see if i can repair it. The guy that gave it to me said literally it makes satanic noises (he was joking). So it has an funny switch that is on-auto-stanby, no off properly. When plugged...
    • razpones
    • Thread
    • polkaudio repair subwoofer
    • Replies: 0
    • Forum: Speakers
  9. T

    Any way to prevent a crack in a dustcover hinge ?

    My ps x800 dustcover has cracks on the under side of both hinges. Is there any way to prevent those from getting worse ? When the dustcover is on the player the cracked part is not visible so as long as the fix works I dont really care how it looks. I was thinking of smearing them with some...
  10. ZeroFks

    Looking for: Vintage Turntable Repair New Jersey

    Hey guys! Hoping someone might be able to point me in the direction of an experienced tech in the vicinity of Randolph or Newark NJ. Thanks for your help! Cheers, Jeremy
  11. Adam.Holroyd

    Advent Laureate for free

    Picked up a set of AV's for free. Definitely need some repair work. A couple of questions. A.) Are they worth repairing? B.) Any website recommendations for purchasing foam and parts? C.) Anything else I should replace/repair beyond the obvious while I have them apart? Pictures attached Thanks!
  12. flyguy316

    Vintage audio repair NW Ohio

    Looking for reputable repair shop in NW Ohio or SE Michigan, specifically for mid-70’s Sony cassette deck. Any suggestions?
  13. P

    Speaker Crossover Analysis

    Is there a way to determine if a crossover is bad? That is, if the caps need replacing or something else? Is there a phone app I can use to read output or something? I don’t even know how this would be input or read but I remember in grad school that microphones can be self calibrating...
    • PTkacik
    • Thread
    • allison crossover repair speakers
    • Replies: 19
    • Forum: Speakers
  14. Alexeifox

    Issue on a new (for me) AU-666

    First of all hello and good morning everyone! i bought this amplifier a couple days ago in great condition and it really sounds amazing other than the fact that there is some extremely strange things going on inside. When no input is plugged in everything is dead silent, but the moment i plug...
  15. edwinh

    Is an MR74 worth repairing?

    I got a really beat up MR74 and I'm wondering if it's worth repairing. It powers up. At first I was able to get AM radio reception, but while listening to it, the sound suddenly faded and now there's nothing. The local authorized repair place won't touch it, largely because they can't calibrate...
  16. VintageDutch

    SONY SQR 6650 Restoring the "Nicotine version"

    Hi all.. >>>>Hold on, sit tight, don't hold your breath.... This is gonna be a longggggggg read.>>>> Got my Second SONY in beginning of April 2021. Bought it for € 85,-- ex shipment (€30,--) from Germany to the Netherlands. Never heard it play... and I did not touch it.. It was from a Guy who I...
    • VintageDutch
    • Thread
    • nicotine repair restoration sony sqr 6650 sqr-6650 vu meter
    • Replies: 12
    • Forum: Solid State
  17. razpones

    Sony TC-255 speed adjustment

    So I had an other thread on this same tape deck, but I thought to open a new one on this particular problem in case others might google it. I have been working to fix this tape deck and now I am trying to figure out how to adjust the speed, in other cassette decks there is usually a...
    • razpones
    • Thread
    • repair speed adjustment tc-255
    • Replies: 11
    • Forum: Tape
  18. edwinh

    Thiel CS 1.2 repair

    I just scored a free pair of these speakers. Apparently the previous owner had aggressive cats. One has a woofer surround that is shot. I know there's a guy who rebuilds them, but I'm thinking of getting the replacement from Madison...
    • edwinh
    • Thread
    • cs 1.2 repair thiel woofers
    • Replies: 1
    • Forum: Speakers
  19. T

    Sony ps-x4 return issue

    Hi all. I have a little issue with this ps x4 that O bought from my local record shop. You see the turntable works fine but the auto return and return in general is not working correctly. The arm lifts up but it doesn't go back the position zero. It does move a bit but only when at the ending of...
  20. razpones

    Sony TC-255 problems

    Hi all, I come today to ask for help. I had started to repair the Sony TC-255 deck, and things were working out sort of ok. The main problem I had was the pinch lever assembly was stuck. A pretty common issue as I gathered. I took it apart, it wasn't easy, with heat and lubricant. Then I put it...
    • razpones
    • Thread
    • help reel to reel repair sony tc255
    • Replies: 5
    • Forum: Tape
  21. taligentx

    Sherwood S-7900A - Repair and restoration

    Hi folks, here's a repair and restoration of a Sherwood S-7900A that initially had no power, and then after swapping a blown fuse would power up but had no sound on any input. It's been an interesting project, hope this helps and feedback appreciated if you see any issues or areas for...
    • taligentx
    • Thread
    • rebuild recap repair restoration restore s-7900a s-8900a sherwood
    • Replies: 42
    • Forum: Solid State
  22. Cliff Jones

    Sansui 9090DB

    Hi am new to this forum, so I really hope that I am posting in the correct place. I received this unit, owner says it wasn't playing in stereo, and had to "wiggle' the switch to get it to play sometimes (fixed that problem, with Deoxit). Well it played awesomely and sounded good. So as I was...
  23. T

    Problem with automatic start function on direct drive recordplayer (hitachi ps 58)

    i bought this hitachi direct drive player the other day and think it looks and sounds wonderfull. So much so that I decided to replace my secondary turntable use this instead, however, even though it was working fine for the first few days, when I went to play a record today I noticed a small...
  24. Kelton-k

    Need help repairing Pioneer RT-1020L

    Hi, I am repairing a pioneer RT-1020L and whoever was in here before saw it fit to cut out the pause switch. As a result I have an orange, brown, gray, and blue wire that sit where the pause switch used to be connected to nothing. Does anyone have any photos from a working machine or advice on...
    • Kelton-k
    • Thread
    • pioneer rt-1020l repair
    • Replies: 1
    • Forum: Tape
  25. jsolorza

    Super Noob, First AV restoration project. Sansui g5700 with no output transistor.

    Hello everyone! I have been making the rounds through theses forums and I feel as I have a good base now. I have recognized some of the Sansui All Stars like ghazzer so hoping for an All Star appearance. Disclamer, I have worked on electronics at work I am currently one semester from graduating...
Back
Top Bottom