Quote:
Originally Posted by jsaliga 
I'm a little surprised that a DL103 would be a good match for a low mass arm like the SME 3009 Improved. I thought about buying one myself until I looked at the resonance evaluator and decided it would not be a good fit for my 3009 Series II. The Improved is even lower mass. Denon DL103 Resonance Chart
Are you using weight plates on your arm to add mass?
--Jerome
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Denon (like Audio-Technica) states their compliance figures at a frequency of 100hz. Most cartridge makers use 10hz. The resonance evaluator is based on 10hz. Actual compliance will be higher at 10hz. The compliance of the DL103 has been guesstimated at 11 x 10-6 cm/Dyne at 10hz and this is what should be used in the resonance calculator. I've found that a multiplier of 2.2 gives you a fairly accurate approximation in converting the compliance from 100hz to 10hz. That being said, I'm also surprised that it works in the Improved arm. It didn't for me.
I've had the original SME 3009, the first 3009 mkII, and the SME 3009 mkII Improved. Keeping in mind that the listening experience is personal and completely subjective, I was never happy with moving coil cartriges in any of my 3009's. The Improved was too low in mass to match with low compliance moving coils. The mass of the 3009 and 3009 mkII were fine, but I found that the knife edge bearings and the detachable headshell reduced the dynamics and speed and softened the frequency extremes of the moving coil. This was in comparison to a Rega RB300 and a Linn Ittok. The mid range was lush and euphonic, however.
Noted audiophile Thorsten Loesch, on the other hand, loves his DL103 on the SME 3009 mkII.
It's been many years since I've had these arms and I've never had the experience of listening to newer model moving coils, such as yours Jerome, on these arms.
To the OP, the best match I ever found with the Improved was the vintage Shure V15 typeIII. This cartridge is discontinued, but readily available used on ebay, Audiogon, etc. A new replacement stylus is available from Jico and is said to be as good or better than the original. Other new cartridges which have received recommendations with your arm are:
Audio-Technica AT150 MLX (very balanced)
Grado Sonata (lush)
Audio-Technica AT440 mla (a little bright)
Shure M97xe (somewhat laid back)
I have read of more than one person who has successfully used the highish-compliance Audio-Technica AT OC9 moving coil with the Improved arm. You can find more impresions at Audiogon.com, TheVinylengine.com, Audiokarma.org and the Vintage forum and Vinyl forum at Audioasylum.com