• 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

help

  1. jFF_Bulbo

    2330b help!

    hello AK'ers I´m working on a 2330b. previously repaired without succes. power supply recapped, new transistors, new relay, single diodes an double diodes as well preamp, phono recapped power amp recaped BUT after changed capacitors, transitors, new mj´s 95/96 output.... one chanlles refuses...
    • jFF_Bulbo
    • Thread
    • 2330b dc offset help p700 q710 repir restoration upgrade
    • Replies: 10
    • Forum: Marantz Audio
  2. robz2000

    Sansui Seven

    Hey everyone. I have a sansui Seven that i suspect isn't getting the proper voltage to the tuner board. Do any of you have advise on how i can test the power coming to the board. i have swapped out all 4 of the underneath soldered fuses, to no success. i am not great with schematics, although i...
  3. hacim229911

    Kenwood Kr-7400 Audio Channels Uncooperative

    Okay, so I'm new to both vintage audio and forums. here's hoping one of you geniuses might be able to help me. About a month and a half ago I got my Kenwood Kr-7400 professionally cleaned and repaired from a dismal state. worked just fine, though all of a sudden all inputs (Phono, Phono 2, FM...
    • hacim229911
    • Thread
    • farts help kenwood kenwood kr-7400 problem
    • Replies: 10
    • Forum: Tuners
  4. vlatko

    [HELP] Intermittent rattling sound coming from amp(CA Azur 340A)

    Sound sample here. The rattle is at the 0:35 and 1:39 mark. https://soundcloud.com/user-767698396/voice-001-m4a?utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing Anyone have any idea what causes this? It happens sporadically, sometimes every 10 seconds, sometimes every 30...
  5. J

    Consistently faulty preamp tubes?

    Hello, I have recently purchased a Dynavox TPR-3 pre-amp that uses 6n3 type tubes. However after purchasing now two sets of tubes and being sent a single replacement tube, three of the five tubes tested have been faulty after minor usage. The two cheap Chinese tubes the pre amp came with work...
    • jddonuts
    • Thread
    • 5670 6n3 6n3 compatible help preamp question tubes
    • Replies: 10
    • Forum: Tube Audio
  6. Audiohead84

    Pioneer sa-9100 vs sa-900

    Hello all ak'ers Im new to this site and to the wonderful world of vintage audio. Was bitten by the bug a few months back when I bought my first 1973 HK 75+ quad twin. I love everything about it and just sent it out for a full recap and service. Can't wait to see how it turns out... In the mean...
  7. BUZZARD437

    Yamaha YP-B4 for my first turn table (Help Thread).

    Greetings, I am 100% new to the TT world. I currently have a AT-LP60 that is about as basic as it gets. Well recently I found a used Yamaha YP-B4 for 25$ that was advertised as not working, but had power. So I thought, what the hell, what better way to get into it than fixing one. Anyway enough...
    • BUZZARD437
    • Thread
    • cartridge first help needle post stylus yamaha yp-b4
    • Replies: 59
    • Forum: Turntables
  8. 201bk

    Yamaha NS-670 woofer repair help needed

    Hi, Long story short I got scamed by seller. And now he won't admit that he has hidden this issue. He says that I have damaged the woofer. I was doing 10wpc tops and it's first time I've heard that you can damage woofer by decentralising it with proper usage. Everything looks fine with this...
    • 201bk
    • Thread
    • help issue ns-670 repair woofer yamaha
    • Replies: 34
    • Forum: Yamaha
  9. Z

    MCS 683-8228

    Earlier this week, I bought a pair of 8228s at a thrift store for 80 bucks, not knowing anything about them prior to this site. I was amazed to see the amount of "enthusiasm" on these speakers! The Cabinets are in decent shape, 8/10. The grills are attached, but could be fixed up. 8/10. The 12"...
    • Zeroedin
    • Thread
    • 683-8228 8228 advice driver foam rot help mcs mid midrange speaker
    • Replies: 5
    • Forum: Speakers
  10. PioneerPoet

    [Help] LXI Series All-in-One

    My friend recently dropped off this unit from his basement that’s been collecting dust. I got it cleaned and spinning well, but I have two problems. I don’t know how to operate this counter balance I don’t know what stylus I need to replace the one in the pictures
    • PioneerPoet
    • Thread
    • counter weight help lxi repair sears stylus turntable turntable advice
    • Replies: 2
    • Forum: Turntables
  11. A

    Need help restoring console

    Hey my name is Aaron looking for somebody who can help me restore my Motorola sk52w bought it from a couple that took out the middle speaker and the chassis I out it all back in speakers aren’t hooked to which idk where to attach them but I’m also looking for somebody that I can mail out these...
  12. Anonky

    Rigging a high filter switch on Project/one Mark II help?

    Hello all. This is a long shot I feel but I have come into possession of this project one receiver that is in immaculate condition. The only problem is the high tone switch was broken at some point. I’m now trying to open it up and repair it. I have added two pictures below but I’m unsure how...
    • Anonky
    • Thread
    • help project /one repair switch
    • Replies: 3
    • Forum: Solid State
  13. jFF_Bulbo

    Marantz 4430 help.

    Hello AK'ers. I'm working on a beautiful 4430 unit. Promblems: When playing in MONO, left and right speakers sound (and sound amazing IMO) BUT when playing STEREO no sound... Well a Lot of noise and a very very low music volumen. I think someone tried to repair it before, but left a mess with...
  14. zombiemodern

    SL-1200 MK1 Woes (Negative Voltage at TR-14 collector)

    Hi AK, Was wondering if anyone here could help with an SL-1200mk1 that's seeing speed irregularity, particularly on power cycles. This is now a DIY project — a third turntable I don't really need but due to the rarity I'd love for it to operate properly. I've taken this to a local tech figuring...
    • zombiemodern
    • Thread
    • direct drive help mk1 recap repair sl-1200 sl-1200 mk1 technics transistor
    • Replies: 17
    • Forum: Turntables
  15. J

    Sx750 screwed up

    Hi guys, I came here looking for help. I am attempting to recap my sx750 with very little experience. I redid the awk-065 boards and now my phono input does not work and has a loud static noise when I adjust the volume. So I noticed that I accidentally put a 1845 in The q4 location after I had...
  16. hippo008

    Sony TC-640 Reel to Reel wont stay in record mode

    I was given a free Sony TC-640 reel to reel deck. It functions properly outside the lock on the record lever. The deck records onto tape very well, playback seems normal. The issue I am having is that when you put the deck into recording mode and press play + record at the same time the deck...
    • hippo008
    • Thread
    • help record reel to reel sony tape
    • Replies: 13
    • Forum: Tape
  17. T

    Mc302

    Hi all, after reading miles of posts I decided to ask you something: Last week I've bought from a friend a MC302 poweramp and a C220 pre (this is still under official warranty 'till 2023). He has not used them for months and decided to sell them. They are in really near mint condition, but...
  18. Mrcoolest123

    Load box Construction

    Hello guys! Sorry to bother. I originally posted this question on the pioneer forum, but when I looked around the site more it became clear it would be better to post it here. I have been having trouble building a load box schematic from a pioneer manual. I'm gonna copy the original post I...
  19. Mrcoolest123

    PIoneer Tuning Fork Load Box Help!

    Hello guys! Sorry to bother again, but this time I am really confused about an electronic system. I have learned a lot about basic electronic components reading the pioneer tuning fork series, and by reacherching basic electronic theory online, but I cannot seem to solve this problem. On...
  20. M

    TEAC A6010 Troubleshooting

    Hello AK, Recently acquired the TEAC A6010 and have a few issues with the physical reel it seems. I posted a short video of the issue and if you turn the audio up you can hear a "grind" or "tick" where it seems the tape is trying to twist or it gets caught on something. I have attempted to...
    • MPB
    • Thread
    • help reel to reel tapehead teac teac a6010 troubleshooting
    • Replies: 3
    • Forum: Tape
  21. Suffer4Sound

    Speaker (DCM TF700) pickup from GW in Lansing, MI?

    Hi, would anyone be able to pickup from the Charlotte Goodwill and give a short term (few days to few weeks) home to a pair of DCM TimeFrame 700's? A very kind member here has offered to store them and help transport them to D.C., but he can't get to Lansing during the Goodwill pickup window...
  22. Suffer4Sound

    Speaker pickup from GW in Roanoke, VA?

    Hi everyone, Is there anyone in the vicinity of Roanoke, VA who'd be willing to pickup and foster home a pair of DCM TimeWindows from the Roanoke-Salem Goodwill until I can figure out a way to get them up to D.C.? You're welcome to use them. I just need to find a way to get them picked up this...
  23. Caleb R

    How would you connect this?

    Hello to everyone smarter than me! I'm needing the help of the community. I have a 1960s Magnavox Stereo with working turntable, reel to reel, and the option to send the audio to external speakers. The back has screw terminals posts. How would you connect this to a pair of external speakers...
  24. K

    Barn find Sansui AU-7900

    Hey guys, this is my first post and I'm not really all that great at rebuilding amps yet. I was wondering if anyone could help me with my problem. I have no real history of the amp other than it was in a barn with its top and bottom off, and had a mouse nest that had mouse chewed wires in...
  25. magnostones

    Sony TC-399 (similar to TC-377) low volume on right channel

    Hi ! Just finished a overhaul of a TC-399 i just acquired, took it all apart and lubed everything, changed the belts, cleaned monitor switches, pots, idler wheel, heads, captsan and pincher wheel (all cleaning was done using Isopropanol alcohol). Mechanically it works great ! Only problem...
    • magnostones
    • Thread
    • help reel to reel sony sony tc 377 tc 377
    • Replies: 0
    • Forum: Tape
Back
Top Bottom