M20FL Super Compliance?

Dear vDarekmur: What kind of quality perfromance do you have/hear with that cartridge? do you have real problems with? which kind?

regards and enjoy the muysic,
Raul.

Derek....you also must remember that there are 2 iterations of the 10.5 VPI arm. There is an arm wand made of aluminum and therefore light as compared to the stainless steel one that you probably have which is heavier. Higher compliance in a cartridge "likes" a lighter arm. The Stainless arm is new and I would guess that the resonance calculator you used is for the aluminum not s/s arm. Your resonance therefore is worse than you post.

Guys, Bottom line is that the HFNRR test LP is not good for determining tonearm/cartridge resonance because the actual recorded frequencies do not necessarily match what the label says, at least as claimed by several knowledgeable contributors on VA. Stringreen, might not the expected extra stiffness of the suspension, due to age, just about counteract the error you note above regarding tonearm mass?

Raul, Thanks for the poop on the DV501. If the information is correct, and if it does apply to the DV505 as well, it would seem that I would be advised to find a very lightweight headshell for auditioning high compliance cartridges. Something that is not much more than 5-6 gm. Do you have any candidates? The DV505 stock does work well with the Ortofon M20FL Super, however, possibly because it is not so high in compliance compared to other MM/MI types.

Dear Derekmur: You don't say if already has or heard something wrong running the 20FL on your set up ( that's why I ask you. ).

I would like to go a little more in deep of what my experiences were/are with several cartridges and tonearms on the resonance subject and if I finded or had problems about:

for years and when I have only 2-3 cartridges I always made everything on hand to meet the theoretical " safe " resonance frequency range with our aware if between that resonance range was better than out of it: I just followed the " rules " as part of my audio learning curve.

Through the years and due that I had more and more cartridges and tonearms too ( I can't remember when. ) things goes more complex to me trying to be in that precise resonance range in the cartridge/tonearm set up so I quit about and just mounted my cartridges testing it on different tonearms/headshells with out worry if each cartridge set up was on target with the resonance frequency range. My target was and is to hear top quality performance from any cartridge.
Well, IMHO I almost always achieve that target and I know that sometimes ( random because I don't check any more. ) the set up is on that resonance range and many times is way off it.

I run my 20FL and 20E where the resonance frequency are ( I check it with your link. ): 6.84 and 4.86 respectively and you know what? I have no single trouble and have great performances with both cartridges.

IMHO the resonance cartridge/tonearm frequency range is almost a " curiosity " but can't tell you how that cartridge/tonearm set up will perform. Of course there are " cases " in extreme set up conditions where the problem is on a extreme resonance frequency range but are not very usual today.

Btw, the compliance spec by the cartridge seller is right.

Lewm, don't worry about but you always can use lower weight headshells and see what happen, Denon and Audio technica made headshells on that weight range you ask but you have make a " fishing " work on the net to find out.

Regards and enjoy the music,
Raul.

Dear Derekmur: I find these statements in other forum that I think comes from you:

++++++++" I guess I don't mean footfalls. I'm trying to describe what a low resonant frequency sounds like. I guess I mean the arm cart combination is accentuating low frequencies that don't necessarily coincide with musical information. Also the lower frequency spectrum sounds muddy with these artifacts. Is this what you hear with this kind of a mismatch? " +++++

IMHO I think ( like I posted ) that in extreme conditions ( TT set up, LP heavy waves/off center, tonearm poor bearing or faulty bearings, cartridge suspension out of manufacturer design, etc, etc, speaker heavy feedback, , , . ) it could happen what you posted even a deep msitmatch could make that the cartridge skip/wobble over the recording.

Are you on some " extreme " conditions?

Regards and enjoy the music,
Raul.