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help me remove noise from my vinyl setup

hi all,

i have a low-output vinyl setup, and the noise hovers around -60 dB. i would like it to be lower. can you let me know where the problem might lie and suggest solutions?

i have a Technics SL-1200 (M3D) that i got from KAB, with most of the upgrades... fluid damped tonearm, Cardas tonearm wires, strobe light disabled, and the external power supply/conditioner. i have the low-output Grado Sonata1 (statement series) and Cardas headshell wires. i have Grado's prestige interconnect cables between the turntable and a Grado PH-1 phono stage. finally, i have a Blue Jeans MSA-1 cable between the PH-1 and an ASUS Xonar DX sound card in my computer.

here's a recording of the noise:

http://www.sendspace.com/file/1y89l5

there is also a slight popping/crackling noise, can you hear it?

i borrowed a Furman PL-8 Series II power conditioner from a friend, and tried plugging the PH-1 into that. i also tried plugging the turntable power supply into it. ...it didn't help any.

many thanks.
scar
gregm
3,405 posts
 
Scar, the SUT is recommended for its noise-filtering properties -- no?
OTOH, if cartridge & pre are OK, it's either a cable problem, or a grounding problem, -- or simply the area there is very noisy... Strange!
scar OP
10 posts
 
i have heard from someone else that "The Sonata has an output of 47k ohms and any SUT will also add reflected impedance. The Sonata can only be used with a Head Amp. No SUT will work with it."

what should i buy?
atmasphere's avatar
atmasphere
11,834 posts
 
Scar, the Sonata has an impedance much lower than that.

The Jensen JT-44K-DX will likely do the job quite well. see

http://www.jensen-transformers.com/mc.html
scar OP
10 posts
 
yeah the impedance is 2 ohms right? thanks for the link i'll check them out.
scar OP
10 posts
 
i heard back from Grado that the cartridge "has .4 mv output and an output impedance of 47K."

from the very limited knowledge i've so far picked up, it seems that a SUT wouldn't work with that impedance....
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