Question about Audio Players & Recorders

Open Question

Hi there! First and foremost thanks in advance. I experiencing a high pitched hum when I turn on my turntable. Other sources work fine for my amp so I know its not the amp. I tried grounding the turntable but still same problem. The only way to get rid of the humm is by touching the tonearm or by placing the ground wire from the turntable in between my fingers. Can you please help me? Thanks so much!!! Cheers, Faizal.

Posted by on

Ad

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
  • 2318 Answers

SOURCE: a/c Hum on r + l + c

The hum noise you are getting it could be producing due to a poor DC filtering due to leaky or dry capacitor(s) in the power supply section.
Pay attention to the biggest capacitors for bulging or leaky conditions.
Let me know if you need further assistance.

Posted on Jul 21, 2008

Ad
robotek
  • 1512 Answers

SOURCE: I have a Stanton T.80

Hi gium

Sounds like we have reached that point where progressive crossover in technologies means that the usual cautions of earth continuity for the tone arm when using a phono preamp has gone the same way as phono preamps on home theatre.

Have you tried switching to the line level and set the mixer up for that level also. That may reduce any gain induced hum. However it sounds like an earth loop problem, where both decks will need to be earthed in the mixer. Check also that all the gear is running of the same power point. Different mains phases are sometimes available near each other, having any gear (power amps also) on a different phase will cause an earth loop problem.

Is the hum all the time independent of the volume levels, or change with levels adjustments and not at all when turned right down. Let me if changing to line levels helps. We can try some more things, like connecting a temp hookup wire earth to the RCA earth to mixer chassis. Cheers

regards
robotek

Posted on Oct 04, 2008

  • 11 Answers

SOURCE: have an older sherwood turntable

I had a similar problem and found that manually moving the arm back and forth along the tube several times "loosened up the mechanics. They get stiff after sitting a long time. B e sure to protect the needle!

Posted on Apr 18, 2009

pgh_pa_guy
  • 2992 Answers

SOURCE: The ground for the turntable connection is not

The ground connection on your receiver is simply connected to the metal chassis, so there's nothing that can go wrong with it. You won't have hum problems with any sources other than the turntable because their output levels are higher.

With nothing connected to the turntable input, do you still hear any hum? You shouldn't. If you do, the problem is not because of the ground connection, but because something in the receiver's phono preamplifier circuit is faulty. But if there's no hum, the turntable is responsible. The fault may be in the turntable's output cable. The shield connection may have broken loose from the terminal where it's connected in the turntable. Or your cartridge may be defective.

If your receiver is the culprit, you can see about having it serviced. Or you can purchase an external turntable preamp. Radio Shack sells one, and here's another source. With an external preamp, you can connect your turntable to one of the higher-level inputs (AUX, CD) and avoid the phono input.

Posted on Jan 12, 2011

Testimonial: "Great response and in a short time, too."

  • 9 Answers

SOURCE: My turntable works on old reciever and not new one

You need a turntable with a pre-amp since most new receivers no longer support non amplified turntables. I have the same problem which is why I'd like to fix my Pioneer SX-780 vintage 1978+/-.,

Posted on Dec 18, 2012

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

What may cause a high pitch hum.even when muted or volume turned down?


Samsung DLP making a buzzing noise, but works fine - High Def ...

www.highdefforum.com > ... > Rear-Projection TVs

Dec 11, 2009 - 7 posts - ‎5 authors
My Samsung HLP-5063 DLP starting making a loud buzzing noise recently. ... I've only used it to watch TV for a half hour or so at a time, as I have a new LED LCD in my room. ... Other than that, I can't figure out what might be causing it. .... a humming high pitch sound, it will be an issue with the color wheel. RCA D52W25 making high pitch noise - High Def ...
5 posts
Apr 15, 2009
humming sound in my dlp - High Def Forum - Your High ...
14 posts
Nov 6, 2006
More results from www.highdefforum.com

High pitched sound coming from my Samsung DLP TV - Open Forum ...

www.dslreports.com > Forums > Social > Open Forum

DSLReports
Oct 3, 2009 - 30 posts - ‎7 authors
Its so high pitched that some people can barely hear it, but I guess I have sensitive hearing. ... Anyway, this seems to be a fairly common issue and it is caused by either the ... You're probably hearing a transformer humming.

Jan 08, 2016 | Televison & Video

1 Answer

I have a crosley record player but there is a high pitch tone if I get a better needle will that help with the sound? The tuner adjustment button and volume really doesn't help the super high pitc


Not at all in this case. You either have a loose wire to connections to the cartridge, which can be fixed by hand. Just push the wires on to the cartridge. Or you have a fault in the power supply of the deck. Most likely a mains filter capacitor that is letting the 50hz mains hum in.

The hum will either be caused by a poor earth connection or a power supply problem. The stylus would not cause any hum at all.

Mar 22, 2013 | Audio Players & Recorders

1 Answer

Hum


You should check the earth connections to the cartridge, make certain they are tight and correct.

Dec 06, 2012 | Teac SL-A100 Turntable

1 Answer

Low sound an hum from turntable with cobra tone arm 1955 wurlitzer but when another source is plugged in to aux in works fine. What could be causing this? Changed all the caps in this unit.


Hi, I believe I know what's causing this-It sounds to me like you have an open ground somewhere between your cartridge and amp. A headphone cord should make an acceptable substitute for the original wire if exact replacement is unavailable. I have heard many a hum in my day. I think this helps, Good luck and thanks for asking FixYa, Prodzilla

Apr 19, 2011 | Wurlitzer Green Zenith Cobra Cartridge...

2 Answers

My stanton t50 turntable plays too fast even when the pitch fader is at the slowest speed


You need to calibrate your pitch control. This requires a small precision screwdriver (similar to something you would repair eye glasses with). If you look under the turntable where the pitch control is you will find 2 small holes, 1 marked 33 and 1 marked 45. Turn the turntable on and set the pitch control lever to zero pitch. While the turntable is spinning insert the screw driver into the pitch calibration hole under the turntable and twist the potentiometer back and forth until the turntable pitch is zero (I believe clockwise is faster, counterclockwise is slower as you look up from the bottom of the turntable). This is a fine tune adjustment and will not require much turning to adjust the speed (1 or 2 mm's) either way should start to bring you into zero pitch. The platter speed can be verified by the little dots on the rim of the platter. They should appear stationary in strobe light on the power switch when you are at zero pitch. When you are adjusting the speed you will observe the dots on the platter rim spinning clockwise and then counterclockwise as you adjust the fine tuning. Fine tune the speed until the dots appear stationary and you will be back to zero pitch. You have to adjust the turntable at both speeds 33 and 45 using the correct fine tuning hole under the turntable. My personal experience is it is easiest to do this with 2 people. 1 person to hold the turntable level and running, while the other adjusts the fine tuning. Hope this helps.

Oct 22, 2009 | Stanton T.50 Turntable

1 Answer

Philips HTS3450 - high pitched humming noise until warmed up


Jeremy,

Read one of my posts:
I used a hairdryer and blew hot air into the grill on the bottom of the subwoofer enclosure which reduced the delay time from ~1hr to 5 minutes. (The high pitched noise was still there for about 1-2 minutes)

Oct 16, 2009 | Philips HTS3450 System

3 Answers

One of my technics' 1200 turntable's tone gets too high


You can try adjusting the pitch's gain, which is located on the pitch control circuit board. Only problem is that you'll have to take apart your turntable in order to get to that section (its on the bottom).

If that does not work, your pitch might be bad, or one of the main circuit drive IC's might be bad.

Hope this helps some.

- OPTiC
Master Tech, 1200s.com
Technics Parts : DJ Repair

Aug 27, 2009 | Technics SL-1200MK2 Turntable

1 Answer

Pitch Control issues on Technics 1200 mk2


The pitch pots have been altered.
there located under the platter & cover on the main circuit board.it's a peace of **** to sort them.
if you help e-mail me djtatty@hotmail.com

Jul 20, 2009 | Technics SL-1200MK5 Turntable

1 Answer

Buzz....hum problem from turntable....


Did you ground the turntable? Most of them have a ground wire located somewhere that connects to a screw on your electrical outlet. You could be getting hum from your pre-amp if it is a low quality one. Try unhooking the pre-amp, if that is the problem you won't hear the hum. If the turntable ground is the problem you won't hear music with no pre-amp but you will still hear the hum.

Jan 11, 2009 | Technics SL-BD20D Turntable

1 Answer

Humming noise


If this is like my unit it is a high pitched squeal. I received my unit as a gift for Christmas 2007 and I thought it was defective. I contacted Homedics and they sent me a replacement but the problem persisted. As licensed amateur radio operator I am versed in electronics so I decided to track down the source of the noise. It turns out that the 16VDC power adapter is the source of the noise. It is what is called a "switching power supply" and is unfortunately not well filtered causing the high pitched squeal. I was able to get rid of the noise by modifying the power adapter and adding a 2200 microfarad capacitor in parallel with the output. This filters out the high frequency ripple and gets rid of the squeal. An alternative solution would be to search the Internet for a better 16VDC power adapter. It must supply 2 amps of power and have a 5.5mm OD/2.1mm ID center positive power connector.

Nov 09, 2008 | Homedics iSoundSpa Max Clock Radio with...

Not finding what you are looking for?
Audio Players & Recorders Logo

Related Topics:

34 people viewed this question

Ask a Question

Usually answered in minutes!

Top Audio Players & Recorders Experts

kakima

Level 3 Expert

102366 Answers

 Grubhead
Grubhead

Level 3 Expert

5190 Answers

The Knight
The Knight

Level 3 Expert

74459 Answers

Are you an Audio Player and Recorder Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...