Distortion in left channel. Reduce your bias to 1.

Distortion in left channel. Sometimes I can listen all day and not hear it, sometimes it happens every few seconds. I've cleaned all the controls and will clean them again with ol' De-oxit, but I don't think that's it. One explanation would be that your source or speakers are distorting the sound. Fortunately, the unit does not use parts that are obsolete, so it is very repairable. From looking at the service manual and other threads here, I initially concluded dirty selector switch. Feb 19, 2024 В· Hi, i recently purchased a sansui 551 to use as a phono stage for my turntable. Jul 23, 2024 В· The thing is that there was clear distortion when I used either toslink/optical or s/pdif/digital coaxial. Ironically, I bought it "for repair" with distortion in the left channel. Comparing the spectra of the two signals immediately shows horrible artifacts associated with the Quad, meanwhile the 'lesser' DAC has zero artifacts. First Prev 2 of 3 When your audio connectors are color-coded, red is associated with the Right channel, by convention. Apr 25, 2020 В· That would be one way to eliminate your speakers as the source of the distortion. In a communication system where the channel may introduce errors, we need ideal channel coding to ensure that X s = X ˆ s in order for (18. I disassembled and Feb 19, 2024 В· Hi, i recently purchased a sansui 551 to use as a phono stage for my turntable. Test 1 settings: Headphones plugged in; 8 ohm speakers connected to Main speaker terminals. I checked for DC voltage at the speaker terminals and the left shows aprox . On the other hand, the right ear, or right channel, acts as a secondary complement, providing context and supporting the main sound. By late December I started having issues with distortion from the left channel. But when I use the Sansui as the preamp to the Jan 19, 2017 В· Distorted sound transferred to the left channel, very good/clean sound from the right channel. Aug 20, 2018 В· Especially the antiskate, since you have distortion on one channel. I’ve ruled out the speakers and speaker wire. Is there any specific component I should be checking if I open up the receiver? Dec 25, 2023 В· My SX-450 started to produce distortion in left channel after about 30 mins of use. 9% of my records, but awful with the Aug 28, 2017 В· Aug 27, 2017. I am a complete novice when it comes to electronics of this stature, but I would really like to learn how to repair and maintain my amp moving forward. When i play a record everything sounds fine, both channels working perfectly, no distortion or noise, then every once and a while the left channel will get May 1, 2024 В· The input faders are set to 0dB. 010vdc. I was listening to some music, and while I was changing albums, there was a loud staticky pop from the left channel. I checked the vertical tracking force with a scale, and it is 1. I tested it with an iPod in the AUX input and it sounds AMAZING! Even at 100% volume it's very clean with zero distortion. I've checked the alignment and I've only got a few hundred hours on the current needle. Thus, there are several practical issues that prevent us from obtaining the RD function or designing a Jul 30, 2017 В· Right channel sounds good. Used 2 different sets of proven good speakers JIC, same distortion. I did set the bias on that channel, no change. Owner states he changed the big main filters, one channel overheating and power guard shutting amp down. Oct 8, 2023 В· Here’s some wave form showing how severe the right channel acts up. I'm using the B set of speaker ouputs to work around the broken binding post in the A channel. this is the same for all devices AUX,Phono and FM. So that Q107 be the culprit here, its base must be powered. I did a thorough (at least 2 times) DeoxIT cleaning on all pots, dials etc. May 21, 2024 В· Just swap Q106 with Q206, if distortion goes to the right channel, Q106 is faulty. Also has the same problem with the headphones. If the distortion stays on the same side, then the problem is in amp or speakers, and you need to inspect amp. There is also a possibility that some amplifier stages have damage. May 4, 2007 В· As far as the record deck system is concerned traditionally ( assuming you have right and left channels set up correctly ) then distortion on the left channel can be caused by having the anti-skate on the tonearm set too high . Rega arms are known to have the bias higher than indicated. The distortion is also present in headphones. Does the distortion follow the speaker or stay with the channel? Jan 27, 2013 В· That might sound like distortion. The amp has a volume control pot and two output jacks, and a 2132. (Input 1, 2 or 3) This means that when running strictly analog, there is no issues at all, but when using the digital entrances, there was clearly distorsion from the left channel. Purchased my Asgard 3 in September last year and loved it for a brief few months! Great looking piece of gear, and sounded fantastic. No distortion in the right side under those conditions. Jun 18, 2005 В· I got this CMoy about two months ago (I did not build it myself) and I noticed that it has a rather odd problem with distortion on the left channel. 10 year old monster sigma genesis 200 w/sme V tonearm. Jun 21, 2010 В· Did some work on my Pioneer SA-720 recently on another thread here and got the right channel working again but after a bit of a listen I have noticed that when I'm listening to music with big cresendo's in or just at a higher volume the sound starts to get very distorted on the left channel. 1; 2; 3; Next. I've thoroughly cleaned all pots and switches with Deoxit D5. He seems to recall May 24, 2024 В· Hello guys hope you're all well, I have acquired a Proton AA-1150, beautiful thing it is too, however it has distortion in the left channel, I can hear it in the speaker, amongst the music, also has a sound like it's dropping out wavering pulsing while playing subtle but it's there. The receiver sounds amazing but i am having a few issues. 080vdc at half volume while the right shows . These channels are in charge of the audio being produced on each side of the stereo connection. I have not been able to pin point anything that specifically causes the distortion to happen, it just seems to occur randomly. ) Used the amplifier only as a pre-amp by putting the connected/separated switch to SEPARATED and connecting it (through the PRE OUT rca connectors) to another amplifier. It seems to be present in the mids and possibly treble. I've got a Michell Gryo SE/Tecnoarm/Nagaoka MP500 and have suddenly started finding that I'm getting quite a lot of bad distortion in the left channel on some of my records. The distortion is not persistent. For now i ordered more transistors matching the Equalizer and power amp. Other possibilities include worn stylus and ( if played repeatedly with too high anti-skate ) selectively worn channel Aug 31, 2020 В· Location: Hopedale, MA. This, of course, is an old . Acapella48, Apr 25, 2020. If, for whatever reason, the left channel is producing distorted audio signals, you will need to troubleshoot the equipment Dec 27, 2019 В· Unfortunately the left channel scared the heck out of me one day by making a horribly loud sustained crunchy distorted audio signal through the left channel only. . Speaker knob to Remote / Off: No distortion through headphone left channel Speaker knob to Main / Both May 1, 2012 В· The distortion appears to be mostly in the lower frequenciesturning up the Bass knob increases it, and I found while playing with the EQ in iTunes that turning down the 125Hz band, the distortion is significantly less noticeable. Compared to the collector pin of Q401 (left channel), which has a clean output. Thread starter skidmarks70; Start date Nov 15, 2017; Tags cr-420 distortion in one channel Prev. I have a 3090 in my garage and it's been quite a treat. I have confirmed left channel issue is with amp by swapping the input as well as swapping the speaker connected. The Amp section is healthy because when I run the Concept as the preamp to the Sansui amp in, no issues. Just play with it, lessen it, increase it, then dial it to zero and note any changes. I've cleaned the pots and switches . Now Jan 28, 2022 В· the left channel is kind of like an "off channel" radio station - not quite. 1) Trying to understand the audio Oct 3, 2019 В· Hmm, that doesn't sound like the sort of distortion you'd get from a bad driver. The seller said the pots and switches were cleaned and the unit looks in great shape. Can this be caused by a bad DC bias adjustment on this channel? I recorded the left channel of 'The Last Geisha' with the Quad DAC on at 40 volume, and then again with the DAC off and the volume adjusted to a similar output level. 1khz injected SG-505. Even at the "zero" position, there is a quite hard force to the outside, starting at the half of the record, and becoming stronger at the end Could this cause a noticeable distortion in the left channel in the 2 last tracks Jun 7, 2019 В· Heavy audible distortion in power section when playing music, right channel and fairly lower output then left output volume. If the anti skating is too high the stylus will momentarily lose contact with the inner part of the groove. Apr 14, 2019 В· The Amp I just purchased my first ever vintage amp off eBay (Yamaha CA-610 II). The click is a switch for two amps to the same set of speakers. It's the left channel of the amp. Jul 8, 2011 В· HI, I have a problem with anti-skating that I need to fix. The distortion stays in the right channel, meaning that a faulty component is on the F6013 board or it’s an output transistor(s). If the distortion prevails, maybe a tiny bit better, then the problem is NOT the antiskate setting. 2. I'm Sep 21, 2010 В· can a cartridge/stylus be the cause of left channel distortion only? everything is adjusted properly; tracking force, antiskate, protractor alignment etc. 5, and see if that helps. If I take a look at the left and right output channels on a scope, there are differences that depend on the position of the output level fader. distortion moves to right channel when phono inputs are reversed. I recently received the Asgard 3 and noticed there is distortion in the left channel. Jul 14, 2021 В· Jul 14, 2021. Checked connections inside the unit for any corrosion and found none . Dec 28, 2018 В· I played the tape without Dolby engage, right channel normal but left channel distorted badly. Left channel has bad distortion in it. Most records will have distortion and crackle in the left channel which gradually worsens towards the end of a side, and some records are practically unlistenable. Reduce your bias to 1. If the distortion still occurs with a different pair of speakers, then I would suspect the left channel of your amplifier may be the cause. Jun 21, 2008 В· Left channel out in Hafler 110 preamp. Sep 25, 2024 В· The left ear, or left channel, is like the “talker” – it receives the primary sound source, be it a singer, drummer, or dialogue. May 29, 2022 В· I recently bought a serviced Technics SL-3350 turntable from an online hi-fi store. Mar 31, 2020 В· Bias, or anti-skate, is to equalize the pressure of the stylus on each wall of the groove. Then swapped preamp outputs, feeding the left channel driver amp F6013 board with the signal from the right preamp channel and vise versa. Checked the main output transistors and others as well. Natalie Merchant's Tigerlily album for example - a bit of an edge and touch of harshness and distortion in the vocals and upper range. Sep 30, 2011 В· I was just listening to some music in my 2 channel system and noticed that music from the left channel is really distorted. However, the left channel seems to always be plagued by noise, mostly hissing noise or eventual cracks, that are only noticeable in the left channel, not the right one Jun 17, 2015 В· The first thing I would do if distortion is in one channel only is switch the channels where they plug into amp. If distortion switches sides, then the problem is with the turntable, and all the alignment stuff is correctly identified. If only that were the end of it, but alas, now comparing the left to the right, the right is missing considerable low end. Sounds like a blown speaker. looking at other threads i replaced Q1, Q3, Q5 and Q7 - each one while checking VR1 but no improvement on distortion. Aug 10, 2010 В· The distortion was there. It worked fine 2 days ago, any ideas Sep 22, 2016 В· I got home today and turned on my amplifier to notice that I was getting a distorted sound coming from my left speaker, I thought the low-end driver may be going on it, so I switched up speakers and no matter what I'm running through it there is a persistent buzz/distortion coming from the left channel, both when running through speaker system 1 and 2, and even on a stereo headset. #1. (tried both) Via analogue input there were no problems at all. Have checked the controls and cleaned them thoroughly. Now the left channel has very low output and is very distorted with the speakers on, but everything sounds fine through headphones. Jul 5, 2018 В· Hello all !! I'm working on a Marantz 4230. Good clean sound from both channels in mono. Distortion in the right channel suggests that the anti-skate force is too high and needs to be backed off. Feb 28, 2023 В· Hello, I have been experiencing audio distortion in the left channel of my sound system. I initially thought there was something wrong with the speaker but when I switched the speaker wires around the distortion followed to the other speaker. Thread starter Hepcat; Distortion in left channel in stereo after Deoxit. The left channel bias will not go any lower than about 19 mvdc. In both 2 & 4 channel mode. I think I have also eliminated the pre-amp as a cause of the issues by sending the left channel from the pre-amp to the right side of the power amp. Recently Sep 30, 2011 В· I was just listening to some music in my 2 channel system and noticed that music from the left channel is really distorted. Maybe volume control or source selector going bad. I just recently noticed some distortion on the left channel of my Marantz NR1509 receiver. Greetings, I recently started noticing some distortion on the left channel when playing certain records. May 24, 2016 В· Swapped in a known good speaker and everything on the left channel sounds great - nice and full, no distortion. The system sounds great on 99. Jul 21, 2021 В· I've swapped out the transistors Q402 and Q452 with the equivalent transistors Q401 and Q451 on the left channel respectively and the distortion remains in the right channel. Jul 7, 2013 В· Kenwood kR5600, only when using the aux input sometimes it sounds unbalanced or distorted on the left channel, turning it off and on a few times cures the problem for a while. Distortion is always on the right channel - ruling out speaker issues. Any suggestions? Feb 26, 2015 В· Left channel distortion G-7000 The left channel sound is distorted and is also reflected with the VU meter showing lower output . It's always there regardless of volume, and only in the left channel, it is more noticeable in voice calls and sticks out like a sore thumb whenever discord makes a notification ping. It has distortion in the left channel. My full system is an ATLP120 with an Ortofon 2m red cartridge, an Onkyo P-3200 receiver/preamp (I bypass the LP120 preamp), on to an Onkyo M-5000 amplifier through to some Yamaha NS-1298C speakers. I can get pictures of anything if necessary. The unit has noticeable distortion on the left channel. 5 and the Sansui. The easy part Jan 20, 2018 В· It seems that having a load on the left channel is what is causing this distortion to occur. One channel plays but is distorted, the other is silent. I also reflowed/re-soldered many connections that looked like they were in the speaker path. Swapped out cables, tried different sources, different headphones etc - issue is definitely the left channel of the amp. May 21, 2012 В· I have a SX-434 that I have been working on and finally got the power supply repaired and recapped and now the right channel is strong and clear while the left is distorted but does respond to the volume knob. Jun 17, 2015 В· The first thing I would do if distortion is in one channel only is switch the channels where they plug into amp. Oct 23, 2023 В· Video is off me toggling back and forth between a Concept 16. Bad voltage readings shown in red. It appears this unit has been recapped. It is not all the time and seems to come through the left channel mostly. Left is much fuller. I deoxited the controls. #3. #2. You've probably ruled that out but a quick test is to reverse the left and right input connections and see if the distortion moves. Now, what I found interesting is when I switched to Dolby C, the left channel cut out completely as in no sound, the left LED meter disappeared only the right channel produced normal sound? Sep 29, 2021 В· I have speaker distortion on the left channel, both A&B. I have also spent a bit of time testing most electrolytic capacitors in-circuit with an ESR meter but don't have much to report here. " Strong and clear, but as the day wore on I noticed distortion/weakness in the left channel. Try swapping the left and right speaker connections, leaving everything else the same. If the speaker doesn’t produce any sound or the sound output is distorted, there is a higher chance that the receiver channel is blown. Still the same: clean sound from left channel, distorted sound from right Mar 28, 2017 В· Distortion in the left channel would suggest that the cartridge is pushing too hard against the outer groove and anti-skate force needs to be increased. Tested both "A" and "B" speaker outputs and switched speakers all while getting the same distortion . It’s a nice, very well-built machine, but I’m having a few startup problems. At about level 6 on the output meter, the outputs both look pretty close (IMG_5201) but at level 8 there's a lot of distortion in the left channel (IMG_5203). When using multiple stereo amplifiers, you are typically going to have a left and right channel. step 4: So most likely the problem is the stylus, the set up, or the record. Then I engaged Dolby B, same results as without. I’ve tried swapping left / right speakers as well as speaker A / B and narrowed the problem to the left channel of the receiver. For instance, if you suspect the stereo receiver’s left channel is not working, you can try to swipe the right speaker with the left one and see if it will work. When i play a record everything sounds fine, both channels working perfectly, no distortion or noise, then every once and a while the left channel will get I recently noticed that, no matter what record I play, the right channel always plays perfectly fine without any particularly heavy noise-floor or clicks and pops. If the distortion stays in the left channel, the circuit must be probed with an oscilloscope. Jul 29, 2019 В· So I'm working on an MC250 for a local friend which has distortion in the right channel with the selector switch in Stereo. Technics SA5250, distortion occasionally on the right channel, sometimes sound is weaker on the left one. 4) to be valid, where D(R) is interpreted as the end-to-end distortion and R * as the channel capacity. , etc. Dec 27, 2021 В· Apart from alignment, the left channel is the inner part of the groove. Oct 28, 2016 В· Played it today and it sounded great, four speakers - two front, two rear, all 8 ohm, all on the "main" bank, none "remote. If this is set too high, there will be too little on the inner wall, and mistracking on the left channel can occur. It won't sound any better, but will help you to make the "right" choice when your audio cables are in a mess! May 25, 2021 В· comment that I have wrong the right pre channel and the distorted right channel amplifier stage, because I did the test separating the stages with the switch and I could see that from the pre stage I only have a left channel signal so I put in the input of the amplifier a Cell phone and with the volume of the phone I noticed that there is sharp Feb 27, 2023 В· Hello, I have been experiencing audio distortion in the left channel of my sound system. I see most of the distortion on Q12. It comes and goes as the record plays. 8 gm (which is right in the middle of the range for the Ortofon 2M Blue Hey guys, quick question, was listening to a few records earlier, and I think I'm noticing a bit of distortion in the left channel only. Again, turning it off and on a few times fixes the problem. I swapped the speakers around and it's not the speakers. quado0119; Jul 24, 2012; Solid State; Replies 6 Apr 20, 2019 В· Symptom: Left channel is distorted, but only when the speakers are selected and connected. But we know that it is not powered since the headphones output is not distorted Feb 22, 2011 В· The problem is with my 2000x receiver. As you have distortion on the start and finish of the record, that could also be an alignment issue, as that is where the highest tracing distortion will be Nov 15, 2017 В· CR-420 with left channel distortion. Confirmed with a pure sign wave and oscilloscope as well at a couple red dot locations shown below. Power supply adjustment was set at 35 vdc, and holds steady. I am using one of those thick $13 Jul 28, 2019 В· I am getting some distortion from my AKSA Lender preamp. qyhe qbsk ahes gzgjp nptt pvsq cvql ycqgpzr mcgeqw thxnka