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Noise from Rega P3/RB300/Dynavector DV20X-L

I just replaced my Rega Bias MM Cartridge with Dynavector DV20X-L (MC), and now I have to turn the volume quite high (around 1 o'clock - I think this could be due to the .25mV output of the DV20X-L) in order to get to my normal listening level. When I do this, there is an audible background noise interfering with the music which wasn't there when I use the Rega Bias or the CD Player (Rega Planet).
Appreciate if someone can point out what can possibly cause the noise and what I should do.
My setup is Rega P3/RB300 -> ROTEL RQ-970BX -> AUDIO NOTE M2 -> PASS LABS ALEPH 3.
ck_ong

Showing 1 response by jrook

jrook
17 posts
 
It doesn't surprise me that you are still getting noise from the Rotel. Not to say that it isn't a good phono preamp, but it costs a lot more to build a sufficiently quiet MC gain stage. Most MM stages are quite simple and can be powered from a wall wart like the Creeks, NAD, Parasound etc. To get really low noise unit to work with a signal below .3mv is much harder to do correctly. It takes alot more regulation and a real power supply. I use a Naim stageline for MC it costs only $350.00 but the Flat-cap power supply needed to power it will set you back $1600.00
The end product works superbly with low output moving coils down to .1mv
Best,
JC
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