I'm trying to get 1.5 grams on my grado sonata cartridge, and can't seem to get more than 1-1.25 grams of weight out of the jmw-9 arm mounted on a scoutmaster. Is their anything i'm missing or do I need a different counterweight?
I just installed a Clearaudio Sigma (4.5gms) on a JMW9 the other day. Clearaudio supplies a lead shim to add in case the counterweight is not light enough for the cart. I don;t know if VPI makes a counterweight smaller then what is supplied with the JMW9. I know they have heavier but not lighter counterweights
I had the same problem using a Karat with my JMW-9. I contacted VPI and they sent me a headshell weight at no cost. Adds weight AND mass. They also recommended against a lighter counterweight as it will further lower the overall mass of the tonearm.
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