Question about Technics SL-1210 Turntable
2 x technics 1200MK2
One deck is producing a much higher volume than the other. And i mean much higher. the higher colume deck seems to be fine normal settings on mixer and amp = decent sound)but the other deck is barely registering a sound on my mixer. although there is a tinny sound coming through the speakers still. If i raise the mixer master volume i can increase the volume but it remains tinny and you can clearly hear a major amount of feedback. any suggestions???
In the past i have had issues with one speaker not working. I have cross checked and swapped channels etc etc. The speaker works fine when using any other fundtion on the amp (md, cd, tape, etc, so the amp amplifier isnt at fault and nethier is the amp speaker channel and neither is the speaker) but when i use the aux and input my mixer it ceases to produce any sound at all. the mixer is brand new and works perfectly. In the past when this has happened, I have unscwed and rescrewed the needle on the problem deck mentioned in problem 1, and as if by magic the speaker actually works. then as if by magic it stops working. I would like to sugest a prob with the RCa cables on problem deck and might this explain problem 1 as well!!??? Or could it be tone arm??? Earthing?
Pitch light fader on good deck is constantly on faintly though it becomes much brighter when i position the fader at zero?
Problem If you swapped the two TT's would the problem stay with the connection on your mixer? At least then you/we would know wherein lies the problem. I'm betting thge low volume is because you have the phono jacked into a line level input like AUX instead of PHONO.
Typically, what you're describing is a phone source plugged into a NON-phono connection. (Tinny, low volume - classic lack of a phono preamplifier with RIAA equaliztion). A standard old-school tuntable requires a phono preamp that is labeled "PHONO". Nothing else will give it the boost and freq response correction LP's and phono cartridges produce.
Your problem #2 alludes to a channel problem with a turntable running through your mixer. This isn't rocket science. Swapping the two turntable channels around would probably change the apparent failing channel, right? Yes - Problem out at the turntable. No - problem in the mixer. You've already hinted at the source by monkeying with the tonearm wiring. You're on the right track. The tiny multi-colored wires in the cartridge shell are very thin and delicate. Their brass fittings sometimes oxidize and reseating them as you have done usually gives some relief. Kinks in the wires could cause your intermittent symptom. At the RCA end of the tonearm cables, make sure they're seated on with a twist to wipe off oxide.
Problem #3. Is it just bothering you or is there a functional problem, too?
Posted on Apr 21, 2009
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Posted on Jan 02, 2017
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