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Graham Phantom damping fluid level.

Bob Graham says to use enough fluid to bring the level up to the top of the square profile machined on the bearing cap. The square is only about 1/4" in length. My question is, What level works best for you in relationship to this "square" profile?

I have tried only 3 different levels of fluid in my setup (maximum level to top of square, almost no fluid at all, & to the bottom of the square) but can't seem to obtain optimum results so I'm wondering what others use, although I guess it's really cartridge dependent. Is the fluid level super sensitive? FWIW I'm using a Koetsu RSP.
frank_sm

Showing 4 responses by jebsmith73

jebsmith73
167 posts
 
I too have a second arm wand, same fit as the first. Sam
jebsmith73
167 posts
 
You know there is an updated bearing/cap for the Phantom . Also every time you remove the bearing cap and play with the damping fluid levels , the tone arm needs time to resettle . Does anybody know how long?
jebsmith73
167 posts
 
I know there was an updated bearing cap. I bought one! The point on the end is much sharper than on the older caps. VTA , VTF, and lets not forget playing with cartridge loading!
jebsmith73
167 posts
 
Frank sm,

Yep, my Phantom arm wand needs locate guide pins also. That was one of the first things I noticed . If the pin to plug centers were offset a bit, might have had a tighter fit! I hold the base and twist the arm wand clock wise,taking out the
2 degrees of slop till tight. It's real close every time. Sam
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