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distortion

  1. A

    How much tolerance do you have for distortion in digital audio?

    I was listening to a CD rip of a Vivaldi choral work when I heard horrible crackling distortion in the right channel when the sopranos would sing high notes. Re-rips and various tests confirm that this is built into the recording. I tossed the CD. As a vinyl fan, I accept that some distortion...
  2. Aaron99

    Marantz 2265: Partial restoration. Distortion on left side. *Resolved

    I have a 2265 that has been sitting in the stack waiting its turn. I plan on restoring it to listen in my garage. Physical inspection looks good. All three tone pots are stuck. Powered up on DBT, the lights are very green, there is a slight hum. Left channel is distorted in speakers, not in...
    • Aaron99
    • Thread
    • 2265 distortion marantz recap restore troubleshoot
    • Replies: 10
    • Forum: Marantz Audio
  3. Gotaj

    SX-650 woes (left channel distortion when connecting speakers)

    Hello everyone. I've been reading these forums for a while, ever since I picked up a dirty SX-650 for 35 euro (~40 USD) a couple of months ago. I've no experience working on amps but was hoping to get into the hobby since I love the look and sound of vintage audio gear, so I took my chances. The...
    • Gotaj
    • Thread
    • 650 channel distortion left pioneer sx sx-650 sx650
    • Replies: 6
    • Forum: Pioneer Audio
  4. MattiaM

    Sony TA-8650 bias adjustment

    Since there is no unique source of information on the bias for the Sony TA-8650, with no mention of changes from the 125mV in the original Sony Service manual in any service bulletin, and rumors from a Japanese forum of a required new value of 30/40mV, I decided to do a quick and by no means...
    • MattiaM
    • Thread
    • bias adjustement distortion sony vfets ta-8650 vfet vfets
    • Replies: 8
    • Forum: Solid State
  5. Krosya

    Need advice - Optonica SA - 5605 left channel distortion

    Hi, I'm hoping someone can point me in a right direction here. My Optonica SA - 2605 developed a distortion in a left channel. I almost cant hear at lower volumes, but starting about 1/3 up the volume dial and higher it becomes pretty obvious. Right channel is clean and clear. It's there with...
    • Krosya
    • Thread
    • distortion optonica optonica sa-5605 transistor
    • Replies: 59
    • Forum: Solid State
  6. G

    Technics SA-5160 weak and distorted left channel

    Hi guys, So I promised a friend I'd take a look at her dads SA-5160, which she said had very weak FM reception, but before I can go after that, there is something more serious I need to adress: The left channel sounds a lot quieter than the right one, and when I turn up the volume, it gets...
    • Gertjan90
    • Thread
    • channel distortion sa-5160 technics weak weak left channel
    • Replies: 5
    • Forum: Solid State
  7. M

    Distortion with new Pro-ject Primary Klipsch

    Hi, I recently bought a Pro-ject Primary Klipsch turntable, the basic model without the phono preamp. It's new and supposedly it needs no set-up, but I listen a lot of distortion in the middles I think. I can hear it even at low volume. The voice and highs sounds clear, but the middles sound...
  8. VIKRAM PAUL

    Distortion from CD Player?, Please help.

    Hi Guys, Recently i got a vintage cd player and tuner(Grundig Fine Arts CD9000 and T9000, its unused kept in Grundig factory sealed( Old Stock) with company stamp Germany. I got it for good deal around 300 euros both. When i received i was like WTH.. two vintage beauties with those shiny...
    • VIKRAM PAUL
    • Thread
    • cd player distortion fine arts cd-9000 grundig grundig fine arts cd-9000
    • Replies: 12
    • Forum: Digital Sources
  9. runningdog

    2230 with high distortion

    I have a newly rebuilt 2230. It is a clean receiver and the rebuild went smoothly. Until distortion testing. The Total Harmonic Distortion measures high in both channels. The spec calls for <0.5% THD. This receiver exceeds that by the time it is putting out 2 volts per channel. At 15.5v (30w) it...
  10. audiodactic

    Pioneer SA-7500ii left chan distortion

    Hi, everyone. I decided to start an account here because I'd find myself here anyway when I would search for audio advice online. But see here's the thing guys/gals... I work at a record store and repair shop. The owner is a cool guy but the tech is reluctant... excuse me, refusing to teach me...
    • audiodactic
    • Thread
    • distortion diy integrated amp integrated amplifier oscilliscope oscilloscope pioneer sa-7500 pioneer sa-7500ii receiever troubleshoot
    • Replies: 9
    • Forum: Solid State
  11. PiotrekN

    Norah Jones sibilance distortion on Blue Note reissue of "Come away with me"

    I've been going crazy over distortion issues with Norah Jones' Blue Note LP, the 2015 reissue of her debut album m "Come away with me" (https://www.discogs.com/Norah-Jones-Come-Away-With-Me/release/8844547). I am getting a lot of sibilance and distortion -- while all my other albums are...
    • PiotrekN
    • Thread
    • blue note vinyl distortion sibilance
    • Replies: 55
    • Forum: Turntables
  12. davstev

    Harman Kardon 930: Distortion

    Hi All, I am presently tinkering with a H/K 930 that has been awaiting attention, and it's sounding...not great. Deoxit has been thoroughly done, it's definitely not that. When I run a CD player into the AUX 1 or 2, I get major distortion, equal in both channels. Same in Radio mode. This is...
    • davstev
    • Thread
    • 930 distortion h/k harman kardon
    • Replies: 5
    • Forum: Solid State
  13. mr_soju

    Advent 5002 - Low, rolling distortion hum (left channel) + bonus problem

    A friend of mine gave me a pair of Advent 5002s that I'm very grateful for.. They needed a refoam and I did that. I hooked everything up and they do work. Refoam a success. However, the left channel is causing this weird, low rolling distortion hum. I can't explain it too well, but the...
    • mr_soju
    • Thread
    • 5002 advent distortion fischer hum static realistic receiver repair help technics 1200
    • Replies: 15
    • Forum: Speakers
  14. kintave

    Kenwood KR-7200 repair problem

    I got a free KR-7200 with a scratchy, intermittent right channel and some hiss. I replaced nearly all electrolytic capacitors in the entire unit (pretty much all of them were leaking). I cleaned the relay and the contact pins on the main amp board, and I replaced all the amp resistors (Rq1-4). I...
    • kintave
    • Thread
    • amp bias channel distortion kenwood kr7200
    • Replies: 34
    • Forum: Solid State
  15. N

    Why does only one of my speakers very badly distort?

    I have two Klipsch speakers connected to a Sansui Amplifier. Why does only one of my speakers very, very badly distort when the bass comes in a song? It's really bad distortion. I've checked the wiring and made sure everything was good, and I don't see any other visible problems. Thanks for the...
    • Nick Green
    • Thread
    • distortion problem question speakers
    • Replies: 14
    • Forum: Speakers
  16. N

    Very early CD Player (Magnavox FD-2000) distortion on cold start...What am I dealing with here?

    So I found a beautiful Magnavox FD-2000 CD Player at a thrift store. It's an extremely rare, very early deck. Branded Magnavox, but it's a Philips CD-200 clone (it even has a Philips CD-200 sticker still attached to the bottom of the cabinet). My understanding is that people didn't know...
    • njm
    • Thread
    • cd cd-200 distortion fd-2000 magnavox philips vintage
    • Replies: 7
    • Forum: Digital Sources
  17. K

    New to me 610II - Distortion

    Preamble- I am somewhat newbie to electronics repairs. I know the basics and have fixed a few things in the past. I have limited experience fixing audio equipment. I picked up a non working CA-610II and decided I would give it a go on repairing it. When I got it I was told the output...
    • Kapco
    • Thread
    • ca-610ii distortion
    • Replies: 208
    • Forum: Yamaha
  18. X

    Aligning Cartage with Overhang gauge, Getting High end distortion

    First off: Turntable: Technics SL-23 Cartage: Pickering XSV 3000 I started vinyl a few years ago with a humble Audio Technica LP-60, which is quickly outgrew. So I upgraded to what I have now, A Technics SL-23. I had to get it repaired so I never bothered with Aligning or tracking force, I just...
  19. MetalDaze

    Ground Loop Solved, other problems arise?

    As the title states I discovered- and solved- a ground loop issue I didn't notice was there until I upgraded my cables. Went from generic bestbuy brand to Audioquest and immediately had a hum in the speakers. Plugged my amp into the same circuit as everything else and the speakers are whisper...
    • MetalDaze
    • Thread
    • amplifer distortion ground loop noise preamp noise preamp
    • Replies: 5
    • Forum: Solid State
  20. MetalDaze

    AT-LP120USB 45RPM Issue?

    As the title states this is my current turntable. I really would like to upgrade but that will have to wait until the finances agree. This table has been OK so far save the usual gripes (anti-skate, preamp etc). I’m using a Cambridge phono stage and all my wax sounds pretty good. The table is...
    • MetalDaze
    • Thread
    • 45rpm at95e audio technica distortion turntable turntable adjustment
    • Replies: 13
    • Forum: Turntables
  21. tusntuk2

    NAD 7020 needs help finding L channel distortion.

    I am trying to find the cause of serious distortion in one channel of a NAD 7020. The pre amp sounds clean, but the L side of the power amp has issues. Gets worse with more bass or more volume. I haven't done any more than try to de-ox and lube pots and switches so far. This is an old model...
  22. S

    Sandui 5000X with QS-800 - some distortion in left rear

    Hi folks. Hope to get some advice on my problem. I've switched cables as much as room behind the cabinet would allow and I think I have isolated the left rear channel (coming from QS-800) as having some distortion and lower volume. This is true whether source is tape (AKAI-GX370D), turn table...
  23. basplin

    Peerless cone tweeter sag

    Hi all - I've got a couple of vintage Peerless cone tweeters my speakers that distort at certain frequencies (most obvious in higher piano notes). Some of the tweeters distort, but not others, so I'm thinking it has to do with the driver(s) in question itself and not the crossover. I know that...
    • basplin
    • Thread
    • cone tweeters distortion peerless sag
    • Replies: 7
    • Forum: Speakers
  24. Y

    Stylus sounds like its dragging the vinyl! Help on identify the issue!

    Hey guys, how are you? Yesterday I bought some records on the old bookstore near my house. I cleaned all of them then used a carbon fiber bush. Even so, the records sound surprisingly bad. I take like 10 min to take away all the dust on the stylus accumulated during these 15 min. Now I am...
    • yvesauad
    • Thread
    • anti-skating balace distortion stylus tracking force turntable
    • Replies: 22
    • Forum: Turntables
  25. Y

    Marantz 2230 bias too low

    hello, i have a 2230 with a bad amp, i already change all the bad transistors and other parts, by the way all the transistors except the input one was toasted, both 1n60 diodes, sv-3a diode, emitter resistors, and at least 7 miscelaneus resistors were toasted or open, all electrolitcs are new...
    • yo00
    • Thread
    • 2230 bad channel distortion marantz
    • Replies: 4
    • Forum: Marantz Audio
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