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distortion

  1. C

    Puzzling issue with c1963 MC250 distortion

    I have a much loved system that I inherited from my father: Mcintosh MC250 amp MX 112 preamp/tuner Bozak B400a loudspeakers All purchased in 1963 Several months ago, the system developed an issue with the left channel, a muffled, distorted, crackly sound. I swapped speakers L-R, and the...
  2. J

    DISTORTION BOTH CHANNELS NAD MODEL 200

    First of all I wanted to thank the work done by all the members of the website, it really is very helpful for people like me who are just starting out in this world. I hope someone can help me with my model 200 NAD amplifier. The amplifier has distortion in the two channels, I changed 3...
    • Joan Biel
    • Thread
    • 2sd438 distortion nad repair restoration transistor
    • Replies: 3
    • Forum: Solid State
  3. Insomniac94

    [Sansui AU 101] Loud crackle & low volume on right channel

    Hi, hope you’re all well. I’m new here & would really appreciate some help here as a novice to vintage amps. My lovely Sansui receiver was working wonderfully the past 3 years until the right channel suddenly developed loud static & low volume. Left channel is working fine. I swapped the...
  4. PJuddery

    Line Level Attenuation and Volume Dial position - Discussion

    So, as the title suggests, I'd like to have a discussion about line level attenuation and volume dial position. Apologies if this has been discussed before. I did have a search, but didn't see anything specific. So here's some background that has prompted me to want to discuss this subject...
  5. JB8

    PIONEER SX-440 Output Transistor Replacement?

    Hey all, I'll make this quick. Spent some time trying to sift through a bunch of threads to find this info but came up empty, so I'm putting up my white flag! What's a good replacement option for the 2SD226A? I'm getting some distortion at the speakers (mainly right side) but not through...
    • JB8
    • Thread
    • distortion output transistors pioneer sx-440
    • Replies: 83
    • Forum: Pioneer Audio
  6. Akprocess

    Pioneer SX-535 distortion in left channel

    hi, i like the blue lights so thought a 1970s Pioneer would be my next project. Recapped everything but found i could not align the power amplifier on page 12 of the instruction manual TP1 and VR1 only have a range of .6 to 1.2 mv whereas the right channel can be perfectly aligned to 15mv and...
  7. P

    Fluance RT83/Ortofon 2M Red sibilance/distortion

    Hey guys, I could use some help. I just received a Fluance RT83, outfitted with the Ortofon 2M Red cartridge, and an acrylic platter...this was an upgrade from an AudioTechnica LP60X I had for about a year. I was hoping to hear some reduced distortion/sibilance coming from the LP60X, but I...
    • Ptm1545
    • Thread
    • 2m red distortion fluance igd inner grove distortion ortofon sibilance
    • Replies: 23
    • Forum: Turntables
  8. JB8

    YAMAHA CR-420 Headphones Great! Speaker outs? Not so much...

    Keep it pithy! I'll try! Recently found unit in decent, yet very dirty shape. Pretty sure I'm the first person to poke around under the hood, started with cleaning, including DeoxIT, tightening chassis ground screws, exercising knobs, push buttons, polished the bright work as well - all of this...
    • JB8
    • Thread
    • cr-420 distortion speaker output yamaha
    • Replies: 31
    • Forum: Yamaha
  9. R

    JVC 5505 Left Channel Weak and Distorted

    Hey everyone. I just recently picked up a JVC VR-5505 off of a local classifieds site for a decent little price. When I got home and wired everything up it seemed to sound great, everything coming in nice and clear on both channels. However, the more I used it and it warmed up, the left channel...
  10. M

    Marantz PM-551 - buzzing, noise, distortion

    MaliD Hi, Maybe somebody will be willing to help me with this problem. My Marantz PM-551 right channel started to make some weird inconstant buzz that is present even without any music or sound played. When I connect just left channel output to a speaker it sounds perfect. Here you can hear it...
    • MaliD
    • Thread
    • buzz distortion help marantz noise
    • Replies: 0
    • Forum: Marantz Audio
  11. Wray & Ting

    Microline distortion in Creed Taylor (CTI) records

    This is a two-pronged question; let me set the stage. I've been exclusively playing / recording vinyl with a microline AT-VM95ML cartridge that I upgraded to in July 2020 (from an elliptical Clearaudio Concept MM v1). It's been great. I made the change because of inner groove distortion present...
    • Wray & Ting
    • Thread
    • cartridge distortion elliptical microline stylus
    • Replies: 12
    • Forum: Turntables
  12. P

    Need help repairing Yamaha A-560 amplifier

    Recently I picked up a "fully working" Yamaha A-560 amp for cheap and it has one small problem - it isn't fully working (gasp)... Sound coming from the left channel is distorted. What I've found out is that both output transistors of that channel were not even connected to PCB. After checking...
    • PauliusA
    • Thread
    • amplifier distortion problem transistors yamaha
    • Replies: 8
    • Forum: Yamaha
  13. Jkaput

    Help! I can't get rid of distortion!

    Hi there folks, I have a Sansui 2000x hooked up to a Rotel RP 3000. Both are new to me, but in great shape cosmetically. I recently replaced the stylus on a nagatron catridge (from 1985) with one from audio technica and after multiple balance and alignments (using the protractor on...
    • Jkaput
    • Thread
    • alignment distortion protractor rp-3000 tonearm adjustment
    • Replies: 38
    • Forum: Turntables
  14. 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...
  15. 8

    Inner Groove Distortion- Turntable problem?

    Hello everybody and welcome to my first post on this forum. I have been in a battle with IGD since I got into this hobby 3 years ago, and since purchasing a Technics sl1500c with a VM95ML during the summer, it's been reduced, but hasn't gone away. I have many records that play with varying...
  16. D

    Yamaha CR-220 Noise and popping after unplugged

    I could use a bit of help on this as I work on repairing this CR-220 I have have since about 1980. A year ago, I heard a pop from the right speaker in the middle of the night that woke me up. The unit was turned off when this happened. I noticed on follow up that it would pop occasionally when I...
    • DoctorDoug
    • Thread
    • bad caps bad transistor cr-220 distortion low volume noise
    • Replies: 43
    • Forum: Yamaha
  17. D

    NIKKO NR-719 Power Amp Distortion

    Hello all, First post! Schematic here: https://www.hifiengine.com/manual_library/nikko/nr-719.shtml I have a Nikko NR-719 that passes signal through both channels, but the left side is distorted when pushed, especially with lots of bass. I don't have a scope but characteristically, it...
  18. Lost Cause

    MC2105 Disaster! Help me Audiokarma, you're my only hope . . .

    First time poster, long time lurker. I'm hoping for some gentle guidance on resolving an issue with my MC2015. It has been an eBay/Covid disaster thus far. With no experience in electronic repairs, and limited tools, just using advice given others on this site I've actually managed to...
  19. Johnny_Law

    MC7300 One Channel On Fritz

    Aw, nuts. My left channel has developed interesting symptoms: -Higher output than right channel -Higher meter than right channel -Sound is choppy / distorted when right channel remains clean -Goes into protection at moderate volumes, unlike right channel -Higher output no matter what output...
  20. badfinger74

    Clipping/Distortion and other problems with new stylus

    Hi all, hoping for some advice with a recent purchase. After becoming fed up with trying to fix the IGD problems with my AT95E, I decided to replace it with a vintage Stanton D600EE that I already owned. I bought a replacement stylus for it on LPGear (which hopefully isn't the source of my...
    • badfinger74
    • Thread
    • clipping distortion stanton stanton d600ee tracking force
    • Replies: 9
    • Forum: Turntables
  21. Johnny_Law

    EDIT: Bad pot made me think my 077s were distorting

    EDIT: It was one of my mid pots. I had it sitting on a dead spot. I thought it was the tweeters! ORIGINAL POST: My 077s are distorting. They have the original blue diaphragms. Is this a common failure symptom of bad original diaphragms? Or some other cause? Or is this unusual? Here's a...
  22. S

    Marantz 2216B - Intermittent Distortion Problem

    Seeking guidance and direction from those who've dealt with this issue. I have an old Marantz 2216B that's been my garage stereo amplifier for years. I've recently cleaned it up cosmetically, swapped all the lamps with LED replacements, and cleaned all the pots, selectors, and push-buttons to...
  23. callensky1

    Buzzy Audio - All Volumes

    I picked up a Sansui QR-1500 a few days ago. All is in working order but I hear a distortion and maybe even a little clipping in the audio (all input sources). It's just not a completely clear sound. Tried different speakers, same thing. Cleaned/Deox'd all pots. Still there. For those of you...
  24. J

    TPS-L2 Walkman Loud Distortion at near/full volume.

    Hi, I am writing this thread to bring up an issue I am having with a TPS-L2 that I have that seems to be having a problem. I have the later model TPS-L2, the one where it says walkman at the bottom of it. The walkman is in excellent physical condition. There was only some corrosion in the...
    • jercool
    • Thread
    • distortion fix loud problem tps-l2 volume walkman
    • Replies: 4
    • Forum: Tape
  25. D

    Sansui AU101 distortion

    Hi Sansui lovers, My right channel of my Sansui AU101 has a problem. Any help is welcome. When I turn up the volume (not so loud), the right channel only manages to drive the speakers for a few seconds and then jumps (instantaneously) to a distorted sound (right channel only). If I turn the...
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