What tonearm is recommended for the denon 103r

Looking at your system, I agree with most everything that's been said above, other than the fact that you can't always go by the numbers in terms of predicting the appropriate effective mass for a tonearm/cartridge combo.

Having said that, I'd start by adding mass to the headshell of your Graham. Blu-tack a nickel to the top of the headshell and re-set the tracking force.

I need to recuse myself from the tonearm recommendation game because I sell one that I really like.

This topic continually resurfaces, and there's a thread on m forum on the subject (comments from Dan_Ed amongst others). There are quite a few link-backs to comments made here on Audiogon about the DL-103 as well.

Look over here: http://www.galibierdesign.com/phpbb/viewtopic.php?f=14&t=17

Cheers,
Thom @ Galibier

Also, keep in mind that in the compliance equation:

Res Freq = 1 / [ 2* pi * sqrt (M*C) ]

Mass and compliance affect the outcome by their square root, so 16g does not have 1.6 time the effect of 10g on the resonant frequency.

We're talking about fine tuning in this discussion and not of orders of magnitude. Of course, people participating in this thread are looking for small but significant effects.

Cheers,
Thom @ Galibier