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Can't Use New turntable! Sound LOW

KrisHawkXXX

KrisHawkXXX

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I can BARELY hear any sound. With my old turntable.. it had the L/R audio jacks output and i used a seperate cord.. one was red and white.. and the other end was a line out.. so i stuck that in a line-in jack in my CD stereo boom box.


For XMAS i got a new sony LX350H turntable.. it cost a fortune.. I know that much. It has a feature for a grounding wire something which is new to me.. and the red and white empty jack.. so i used my old Cord that has a red and white set of jacks into my new turntable.. and the other end into my LINE IN on my boombox.. which worked with my past turntable.

I tested it with Journey's DEPARTURE album... and turned on my cd player... and there is BARELY any sound. I heard someone tell me i need a preamp.. or watever.. what can I do? I dont wanna go out and spend money.
 
You probably do need a pre-amp. If your boom-box has a phono input, it should work. If you use any other input it won't. What model was your old turntable and did it have a magnetic or ceramic cartridge. That also makes a big difference.

Good luck and Happy Holidays!
 
whitestar9843 said:
I've never personally dealt with that particular model, but have dealt with a high end turntable before.

The purpose of the ground wire is for noise reduction. I'm not sure how crazy you are about "perfect sound," but the ground helps to get rid of a lot of the noise that you have on records. As for an amp, you do need one. From my experience you usually have to turn the phono input to a higher normal level than the average input, so without that boost, it will sound faint. In fact I know some receivers actually let you "save" the zero level at a higher volume on the different inputs to equalize the sound, so you don't go deaf when switching from phono to CD or DVD.
Click to expand...

If i get a pre-amp... where would i stick my Ground wire?
 
If your stereo / boom box has a mic input you should be able to use that. it will have a built in pre amp. If not then you will need a pre amp. Only use the grounding terminal if your boom box isn't grounded in its power cord ie. if it has a two rather than 3 core mains lead. The grounding is only to remove mains hum if it is present. It is important that any system is only grounded in one place only or you run the risk of actually introducing hum by connecting a second point. (I used to be a theatre sound engineer).
 
I plugged in regular RED WHITE jacks into my tv that has RED WHITE input jacks.. still didn't come out loud..
 
I just Googled your turntable,it has no preamp and a magnetic cartridge so it needs a preamp, or it needs to be fed into the Mic in socket of whatever you use to record, computers almost always have a mic input. [ame="http://www.amazon.com/3-5mm-Stereo-Phono-Cable-Splitter/dp/B001FVFE1I/ref=sr_1_1?ie=UTF8&qid=1230278325&sr=1-1"]RCA phono to 3.5 mm jack plug[/ame] are pretty easy to find.
 
i tried using my MIC IN to record some songs... didnt work.. i guess i need a PRE AMP. thanks for your help everyone!
 
You definitely need an RIAA equalized preamp. A magnetic cartridge puts out far too low a signal to be used with the line level inputs of an amp. The RIAA equalization is important. Without it, you will have a boosted high end and a cut low end, sort of like turning the treble up full and turning the bass down all the way, but worse.
 
Way back in the old days (before CD's) the best sound quality could only be had on vinyl records.
High end equipment to bring out the finest sound typically used magnetic cartridges (the needle assembly) that commonly cost more than the turntable ($135 for my ADC ZLM cartridge).
Output from these precision devices is very low, say between 2-10 millivolts. Output from other components (cassette deck, CD player, etc.) is usually in the 500 millivolt range.

Virtually all decent stereo amplifiers from that era had a phono input that pre-boosted the low signal before it got to the main amp.

I found a great 5.1 home theater receiver in 2001 with a low level phono input but I don't think they can be found today.

You should be able to find a preamp without too much trouble.
Make sure that ground wire is connected to anything that is ultimately linked to a grounded plug (computer case for example). Otherwise you will get low frequency background hum in the 50-60Hz range. This is picked up by the magnetic cartridge induction coils from the AC power that everything plugs into.
 
A pickups voltage output varies indirectly vs it's cost. When you get it working, experiment with the ground wire. The fact that it is there is indicative of a magnetic cartridge. If, with the volume on the ghetto blaster up full and the stylus not on a record you hear hum, try connecting it to a grounding point on the blaster or the screw that holds the outlet cover on that the blaster is plugged into.
It should work in a mic input. Try it on your computer.
 
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