Question about Technics SL-1200MK2 Turntable

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Phono Preamp buzz

I'm running my sl1200mk2 through an audio technica ATPE03 phono preamp into bose powered computer speakers through anRCA (red/white) cable...
it's emitting a huge buzz, even when not on, but just connected... the wires seem fine, any suggestions?

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  • 515 Answers

Ditto. Double check the ground cable. If it is connected, then try a different set of RCA cables. Also check the connections on your headshell/cartridge. Make sure all 4 wires are properly secure.

- OPTiC
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Posted on Oct 08, 2008

Don't forget to ground the ground cable from the turntable.

Posted on Sep 26, 2008

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What does the photo button mean on my Pioneer receiver SX 205


You surely mean the phono button.
It's a preamp which adds 32 dB of gain. But first make sure you don't blow up your speakers by turning the volume down.

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The sound is really low if i press the aux tape cd phono or vcr the sound is there but really low


Instructions:
Evaluate your current receiver. Take a look at the back-panel connections to make sure you don't have a phono input. In most cases, the phono input will be clearly marked. If the connections are not marked, look for a set of RCA-style inputs with a grounding screw next to them; this is a phono input. If there isn't a phono input on your receiver, see if you have an open set of RCA inputs. If they are all occupied by other equipment, you can disconnect one piece of equipment, buy an A/V switcher or get a new receiver--preferably one with a phono input.
2 Purchase a phono preamp. The voltage output of a turntable is much lower than those of other peripheral devices, including CD players, tape decks and game systems. Although the inputs look the same, connecting a turntable to a standard RCA audio input will result in very faint sound output, if you hear anything at all. The output of your turntable must be amplified to a level of about 150 millivolts (mVs) before it reaches the receiver, so a turntable "pre-amplifier" or phono preamp is necessary.
3. Purchase patch cables. You'll need a set to run from the preamp to your receiver. Measure how long your cables need to be, and purchase accordingly. Resist the temptation to "go cheap," because better-quality cables will provide better sound.
4. Connect the preamp into the system. First plug the preamp into an AC power outlet. Most models have a small AC-to-DC adapter built into the plug. Then connect the cables from the turntable to the preamp, and connect your new patch cables from the preamp to the receiver.
5. Adjust the gain of the phono preamp. Most models have a gain control for fine-tuning. Follow the instructions provided by the manufacturer and adjust your system accordingly.

F150 Parts.

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If you are talking about a phono preamp, take the output rca cables from the turntable, "red and white" plug it into the preamp input, "labled" next take a red and white cable wire male ends, "3 to 6" feet long, and plug the one end in the output of the preamp, "labled" and finally plug the remainder into the AUX input of the Marantz receiver matching the colour codes so the left and right channels don't get mixed up, you now should be good to go.

Apr 15, 2012 | Marantz Audio Players & Recorders

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I would like to add a turntable to my Bose Cinemate II but when i plug the RCA directly into the Bose module the volume has to be to the max and is still very quiet


You need a preamp to solve that problem, the older amps and receivers had built in phono inputs with a preamp stage. Radio Shack use to make a preamp that ran on a 9volt battery for turntables that ran into the very problem you are talking about. But I do not know if they are still available, go to www.ebay.com Type: turntable or turntable preamp

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Connected to turn table. having sound problem. At 99, sound hardly audible.


The bose as most all in one systems do not have an inbuilt phono stage. Phono especially MM type have a very low signal and an eq curve that gets altered in the phono stage. Without a phono stage (known as a phon pre amp) you will not get much fun from your turntable. To connect : turntable out - into phono preamp - phono pre amp out into bose line in/aux in

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I recently aquired a used rotel rx102 stereo receiver and onkyo cp101 A turntable. I bought a new stylus needle for my turntable, and plugged the turntable into the phono jacks on the receiver and from...


If the receiver doesn't have a function specifically named PHONO, yes. Very few AVR's have phono preamps. They're not expensive. I'd check eBay.

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1 Answer

Pioneer a858 amp no sound from phono stage, I bought it from ebay and dont know whether someones connected a line level component to it such as a cd player. and if they had would it kill the phono stage...


Hi Big John

This is a nice reference series amp with a decent phono preamp stage. It is unusual to see a phono stage get damaged in this way.... but Murphy's law tells us "If it can be blown up, then someone will do it". I recommend that you do fix it. First up, perhaps check the settings for the preamp on the rear of the amp(from recollection). Be sure that you have it in moving magnet (mm) mode if you are using a MM cartridge.

Although its been a few years, My recollection is that there is a separate power supply for the phono preamp, with maybe even power regulators on on the actual preamp board. First check would be here to see if both DC rails are present for the phono Preamp stages. Most common failure here is heat stressed cracked/dry solder joints.

You need a good HiFi/Audio tech to have a look at it for you if the problems run deeper than DC supply for the preamp. Good luck. A FixYa rating is a great reward for my time to address your problem. Cheers

regards
robotek

Nov 06, 2008 | Pioneer Audio Players & Recorders

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