Phono Pre-Amp Cartridge settings
default -- Sun, 11/22/2009 - 12:51
Hello,
I have a phono pre-amp (Audiovalve Sunilda) that allows me to switch between MM and MC as well as different resistor and capacitor settings. I would like to experiment with these values for my current cartridge, the high output MC cartridge, the Dynavector 20XH. I have a Rega P5 TT.
Best as I can tell, the MM setting is not affected very much (or at all) by the different resistor or capacitor values (I have it set it on 47K resistor). The MC setting is much louder for obvious reasons, and I am thinking will vary with different resistor or capacitor values.
I was hoping someone can give me a primer (or point me to a useful link) on what to look for as I step through the different resistor and capacitor values. What do I listen for as I change resistor and capacitor loadings? What changes can I expect? Or do I expect very little change with a high output MC cartridge because it is treated like a MM?
The resistor settings are: 47R, 100R, 220R, 470R, 1K and 47K.
The capacitor settings are: 0p, 100p, 220p, 470p, 1n and 0p (not sure why there are two 0ps).
Any input will be greatly appreciated. Thanks.
JHendrix
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You should set the MM/MC switch to MM, as your cart is high output, and does not need the extra gain of the MC setting. (Which is for low output MC carts)
Next , set the resistor setting to 47K.
The capacitor settings will be the one thing you will want to play with, and set to your liking.
This should be a good starting point.
Paul
The amount of capacitance will most noticably affect the high-frequency balance---how bright the system sounds.