Question about Sony PS-LX350H Turntable

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Have a B&O RX-2 with mcc4 and loud hum

My B&O RX-2 turntable with a MCC4 cartridge causes a loud hum thru the speakers (4 Pioneer CS-99A) The turntable is connected to a pioneer SX-3700 amp/receiver. The connection of the grounding wire to the amp reduces the noise approx only 20%. Noise is such, the music from the LP is barely discernable. Any thoughts on a cure?

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Maybe your turntable is too close to your speakers causing feedback

Posted on Feb 26, 2010

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Possibly check the wires on the cartridge, make sure none of them are touching and are not bent to badly, are all the connections tight? some cartridges require plastic sleeves over the connections, this insure they don't touch and
avoids resistances between them. Also some cartridges are not compatible with certain model turn tables.Is it universal? Also you my need a mixer most turntables don't work with amps alone. Mine don't. Usually most models you attach the ground wire to the mixer. A mixer boosts table power and take stress off the amp. Hope this helped! good luck!

Posted on Jul 06, 2008

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Posted on Jan 02, 2017

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1 Answer

I have a JVC turntable and an old Sansui reciever. Last night I was playing a record, and it stopped playing out of one speaker, and makes a loud buzzing noise. However, when I push the Mono button


You should check the connections to the turntable, it sounds like it might be feedback hum, caused by a wire touching or something like that. Don't forget to check the connections to the cartridge too.

Feb 09, 2014 | Audio Players & Recorders

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I have an Aiwa PX-E77U turntable I'm connecting to a Pioneer VSX-454 receiver. The turntable has no ground wire. It plays okay at low levels, but as soon as I bump up the volume a little, I'm getting a...


It could be a bad connection of the earth pins to the cartridge. One turntable I had hummed even with an earth connection. I found out that the cause was the connection of the earth wire in a 3 pin plug.

Aug 31, 2013 | Aiwa Audio Players & Recorders

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I got a 43 yr old Pioneer manual turntable. I have to almost max my speakers to get a good sound. Help


Firstly does the receiver have a magnetic cartridge pre-amp built in? It will have to have a dedicated "phono" socket for this. If it hasn't you need to get one.
The only other cause is a faulty cartidge. You can test this by removing the wires to the cartridge. By touching with your finger each wire, amp on of course, you should hear a loud buzz on two of them one for each channel. If you don't hear any buzz or it's still weak, even if the receiver has a pre-amp, then either the cables to the amp are faulty or the pre-amp in the amp is.

Jan 16, 2013 | Audio Players & Recorders

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I have a Dual CS714Q turntable with a constant hum on output. Any suggestions?


Hello!
Did you connect single black ground wire to the "ground" terminal at your amp? Probably not! Or, it got stepped on it, while moving around. Professional of hi-fi turntables using magnetic cartridges and require 2 well shielded audio cables, connected directly to the cartridge, plus separate ground wire, which attached to all the metal parts of tone arm and body. Failure to connect this wire to the body(metal) or the amplifier, will cause this loud "hum".
thanks,
Alex.

Jan 11, 2012 | Audio Players & Recorders

1 Answer

Can I connect my Dual turntable to pioneer VSX D712 receiver. I tried connecting it to a preamp (bought from Circuit City) and then to AUX, but all I get is a loud hum


I presume you bought a PHONO preamp from RS. That should be all you need. Is the TT otherwise functional? Loud hum is usually an ungrounded or unshielded signal cable. Phone cartridges create such a small primary signal that any external airborne electrical noise entering the circuit will be very large in comparison. Check cables and make sure the headshell is locked in correctly on the tonearm. Examine the small cables connecting the cartridge. Dual = good turntables. I have a CS1249 from the 70's.

Jan 09, 2010 | Pioneer VSX-D712 Receiver

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My turntable works on old reciever and not new one


A traditional turntable only works on Phono (which contains special preamplification and equalization circuitry designed to raise the the level and flatten out the response of a phono cartridge).

After you do that, iIf you're not having hum problems I wouldn't worry about the ground. Or try it again on the FM Ground.

Feb 20, 2009 | Sherwood RX-4105 Receiver

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Pioneer DJM-600 Bad feedback when i turn up the master volume


It's not your ground wire with the issue, but your RCA cables. Try disconnecting both turntables, and connect 1 at a time, and do the same test, this way you can isolate the problem. Once you've isolated the problem, then you'll need to have the RCA cables replaced on your turntable.

You might also want to check the Cartridges as well. Sometimes a bad cartridge or headshell connection will cause this issue. Worst case scenario, its your tonearm, but that should be test last.

Also, on the rear of your mixer, there is a gain volume pot, make sure this is not maxed out. Keep it about 3/4 of they up. Again, this is on the rear of your mixer where you connect everything.

- OPTiC
http://djproaudio.com
http://djprolab.com

Dec 04, 2008 | Pioneer DJM-600 Silver Professional DJ...

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SX-1600 + KD-491F


Appreciate the additional information.

To recap what you need is a receiver that can accommodate:
4 - Pioneer S-DF1-K (15-100W, 8 ohms)
1 - Pioneer PD-F407 25 Disc CD Player
1 - Pioneer CT-300 dual tape deck
1 - Kenwood KD-491F turntable

Possible choices are (keeping in mind that the power output should be less if not equal to 100 watts and a turntable/phono input):
i. Onkyo TX-8522 Stereo Receiver;
ii. Yamaha RX-397 100 Watt Natural Sound AM/FM Stereo Receiver;
iii. Sony STR DE695 AV receiver;
iv. Teac AG-790 200 Watt Stereo Receiver;
v. Denon AVR 888 - AV receiver - 7.1 channel.

Some of the above also includes feature(s) to hook up to your video system. Some may even require a fifth speaker (subwoofer).

Incidentally, you can also choose another brand/model even without a turntable/phono input. As initially posted, a turntable/phone to line level pre-amplifier is only required. Here are some examples:
a. XP200 Turntable Preamp - Nano Series;
b. Pyle® Pro PP999 Phono Preamplifier;
c. Pro-Ject Phono Box Turntable Preamplifier;
d. Radial J33 RIAA Turntable Preamp Direct Box

Good luck with your project.

Apr 29, 2008 | Audio Players & Recorders

2 Answers

Pioneer turntable Pl-560 and Pioneer Receiver VSX-D409


No phono inputs?? You will need a phono to line level preamp to use aux input.

Nov 03, 2007 | Audio Players & Recorders

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