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volume

  1. P

    Vintage Denon amp output on 0 volume?

    Alright so apologies if this is not the correct place to post this as I'm yet to get my head around this site... I got my hands on a Denon PMA-320 integrated amp (circa 1989) today and have spent a couple of hours troubleshooting an unusual output issue: when the volume is at 0 there is still...
  2. C

    Kenwood KR-8050 Triggering Protect

    Hey all, I’ve had a KR-8050 that I had rebuilt the left channel in and got back going a while back. Replaced the outputs that were blown while somebody was trying to adjust bias themselves and shorted one. It was working fine for two - three weeks and now increased volume on the left...
  3. C

    Sansui 9090DB Output Problems

    Been through this 9090DB, just finished pinning and recapping the dolby board that was previously preventing sound from passing through the pre in either channel. After the pinning all modes seem to work except for one channel in rec 2 that I plan on addressing later - but importantly - off -...
  4. I

    The MAC 1900 Volume & Balance Pot Solution

    I had purchased a MAC 1900 that cosmetically was very nice, but internally was an absolute disaster. Took on this project and I hope that some of the work I did might help others. First off, I replaced some of the key transistors (orange/yellow dot, flying saucers, etc.) and changed all the...
    • IASTM
    • Thread
    • 1900m balance mac mcintosh pot volume
    • Replies: 9
    • Forum: McIntosh Audio
  5. F

    Balance control on stereo amplifier does not work. Adjusting the volume changes the balance.

    I recently bought a second-hand Mitsubishi DA-U530 integrated stereo amplifier with a broken balance control. Adjusting the balance to the left produces crackling sounds in the right channel but does not change the output power of either channel (as indicated on the amplifier), except for it...
    • FaultyVibes
    • Thread
    • amplifier balance da-u520 mitsubishi stereo volume
    • Replies: 7
    • Forum: DIY
  6. S

    Rotel 304 is very quiet on Phono and Aux, normal volume on FM

    All 3 inputs used to operate around the same volume. Loud! Then, the phono started playing quieter, even when the volume is at 10. Now, Aux is the same (quiet) volume as the phono. FM is still very loud, and seems to be operating normally. I'll try and post a video here later but does anyone...
  7. F

    Volume pot disassembly

    Anyone have any experience tearing apart a marantz 2238b or similar volume pot for a thorough cleaning? I can’t get a dead spot out of the pot by simply using deoxit through the opening. I have the pot removed from the board and the back metal cover removed on the pot. But it looks like the...
  8. F

    2238B channels not tracking

    Question from a rookie. 2238b both channels volume increase together until around 9oclock on the dial, then there seems to be a dead spot. Continue turning volume and there is a dramatic increase in the right volume but left is noticeably quieter than the right for the rest of the volume...
  9. gangen02342

    What Causes "Speaker B" to be Super Quiet?

    As the title says, what are the most obvious points to troubleshoot in the event that the Speaker B terminals still output sound but super quiet (so there's still output but not something you'd ever be able use). I bought a Luxman LV-111 that the owner indicated this issue to me. I read it can...
    • gangen02342
    • Thread
    • luxman luxman lv-11 lv-111 speaker a speaker b switches volume
    • Replies: 12
    • Forum: Solid State
  10. Mat86

    Yamaha C4 loses volume in 1 channel

    So I recently attempted restoring a C4 and noticed this issue out the box, I was sometimes getting no volume on AUX, or just 1 channel, but switching to Tuner solved it so I assumed it was an Aux input issue or dirty contacts during the recap I did a test half way through and had volume in both...
    • Mat86
    • Thread
    • c-4 volume yamaha
    • Replies: 16
    • Forum: Yamaha
  11. KNielsen

    Acurus L10 problem

    Hey AK I got some problems with a newly modded Acurus L10 preamp. Depending on the volume, the left channel playes louder then the right. Worst at about 12 o'clock volume on the scope. The two channels lines up to around 9 o'clock and then split on the o.scope, and after 12 o'clock the start to...
    • KNielsen
    • Thread
    • acurus diy l10 mondial preamp volume
    • Replies: 142
    • Forum: DIY
  12. H

    Yamaha A-1 volume knob repair disc

    Hello all. The Yamaha A-1 has an aesthetically beautiful stereo volume knob. But, the flat disc section that controls the …. channel has worn lose in the centre. What’s the best cure? Blob of glue? Some substance to ‘pack’ the interior so that it’s a tighter fit? (Both of the above seem like...
    • Hifibythekg
    • Thread
    • a-1 volume volume knob yamaha yamaha a-1
    • Replies: 15
    • Forum: Yamaha
  13. bazzle592

    Volume control gets too loud too quick - mods?

    I have a NAD L40 that I've overhauled. I love it to death - it's such a charming little thing. CD player, tuner, preamp, and amplifier all in one classy little package the size of a standard CD deck. It's no slouch either, its sound quality is what sold me on British amplification as a whole...
  14. WSchallert

    Lear Jet 8 Track Volume Control not controling volume

    Hi all. I am new to your site and to repairing stereos in general. I've replaced belts, speaker caps and some basic components on about 20 or so machines but this one has me stumped. :p I have a Lear Jet Stereo 8 (model H-459) and it's in absolutely beautiful cosmetic condition... and all the...
    • WSchallert
    • Thread
    • volume volume control
    • Replies: 2
    • Forum: Tape
  15. L

    Looking For Pioneer SX-980 Volume Pot ACV-162 or Substitute

    I am in need of a Pioneer SX-980 (or 1080, 1280, 1980, SA-7500 ii) volume pot ACV-162. Please let me know if you have one or know of a substitute I can use. I believe my pot is toast.
  16. AudioModern

    Volume pot cleaning guide for AU-717

    This week I was wrapping up an AU-717 overhaul and noticed the volume pot was noisy around the 9 o'clock region. My first attempt and fixing it was to turn off the amp and work the pot back and forth through the full range a couple dozen times. This didn't help so I knew I needed to do something...
  17. tlite

    Why do Speakers Sound Brighter As Volume Gets Louder?

    Beyond a 'normal' listening level (maybe 75dB?) music start sto sound brighter and harsher with more volume. Theories so far include: - The speakers need more power to balance frequency range at higher volumes - The human ear (or at least my ear) is more sensitive to high frequencies and...
  18. G

    Kenwood KA-7100 -- less volume in right channel

    Hi all, So I have a Kenwood KA-7100 amp. I bought it fairly recently from a guy who swore that all the cleaning, etc, had been done. Just the other day I realized that the volume is starting to go (it's a bit less and perhaps slightly distorted) on the right channel. I am a total non-techie...
    • gurdyp
    • Thread
    • amplifier channel ka-7100 kenwood volume
    • Replies: 4
    • Forum: Solid State
  19. S

    AUX Splitter Volume Offset

    Hello, I am using a 3.5mm AUX splitter in my car for two devices into my speakers. The splitter automatically offsets the volume to its own percentages, that being said, how can I control the volume offset when one device feeds audio at the same time as the other device?
  20. T

    Before I Rebuild 1080 Protection Board

    Okay, I have two issues and I need some input before I just jump in and replace parts.... The first issue I have is when shutting down the 1080. Upon flipping the switch, the lights go out, then the FM indicator light lights up and goes out along with the click of the relay. The unit powers...
  21. D

    Low volume playback on Teac A-3300sx-2t

    Just tried out my first reel to reel tape deck! I asked a couple questions here on purchasing a deck and had some very helpful feedback so thank you all for that first. I'm working on a digital transfer project. My current setup has an RCA cable connected to the microphone jack on my computer...
    • dyscer
    • Thread
    • beginner low volume reel to reel teac teac a-3300 volume
    • Replies: 4
    • Forum: Tape
  22. Moonwatcher

    Maggie 9303: suddenly very low volume and distorted

    This Magnavox 9303 console pull has been sounding amazing and with Wharfedale 60s was providing an immersive, magical sense of depth and "being there" I've never heard from any of my solid state stuff. Expert AK members recently helped with a no-sound issue, and I was advised to replace the...
  23. T

    R-50 crackling when volume adjusted, one speaker at a time

    Hi guys, sorry in advance as I'm a massive noob with hifi stuff in general. I have an R50 that's fairly ancient, and it has a problem with the sound crackling and cutting out on one speaker and both when the volume is changed. The speaker affected changes when the input cables are swapped from...
  24. O

    Weak Right Channel, Only Aux and Tape Inputs

    Hey everyone, I have a Kenwood KR-4070 that I've used for about two years now with no problems but recently I noticed that the right channel is very quiet, but only while running through either the Aux or Tape inputs. The Phono input works flawlessly and has great sound through both L/R...
    • oreil071
    • Thread
    • balance deoxit diagram input kenwood kr-4070 schematic troubleshoot volume weak channel
    • Replies: 8
    • Forum: Solid State
  25. MacMan10-100

    Sony 6570 Question

    Hi, I recently cleaned, detoxed and put a new power switch in my Sony 6570. It sounded great until one day a speaker wire came lose. I reattached the speaker wire and ever since the volume levels have been extremely low even when I turn the volume up to max levels. I have checked all the speaker...
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