2. analog
  3. 1136759064

Shelter and Triplanar matching ?

HELLO

I have problems to match a shelter 901 with a tri planar VII.

Lot of records ( above all piano LP ) are playing tremulous and I can see the tonearm CLEARLY SHAKING on the record while playing it as if it could be a problem of resonance between the cartridge and the tonearm .

I have seen here and there that the Shelter was a LOW COMPLIANCE cartridge (I don't know the exact value).Its weight is 9,5 g.

I have choosed the maxi VTF : 2 g.


I am afraid that the TP is too light for the shelter.Its effective mass is 11 g,
Is it enough for the Shelter 901 ?

I am surprised because the Shelter 901 / Tri Planar seemed to be a combination used buy some audiophiles...without modification .

Could someone give me some help...

Thank you

Tenmus
tenmus
tenmus OP
49 posts
 
I had not this problem with my AUDIO NOTE IQ 3 before using the shelter .
Unfortunately I cannot try it again as I have lost the screws to set it up.

A friend will lend me a DL 103 so I can do the test...

OK for QC ( good explanation!!! )
tenmus OP
49 posts
 
Doug

It happens (very audible ) with piano records and not during the entire side ( but almost every time at the beginning of each side) . When the sound of the note is going on after the attack it seems there is like a vibrato ( tremulous) in the sound .

I have tried a lot of different records like EMI or RCA or else.They seem well drilled but I will check it .I effectively never had the problem with extra flat DECCAS 200 g reeditions.....but I have a lot of records and they are not all Deccas 200 g

Perhaps the problem comes from records but the fact is that I did'nt hear it with the AUDIO NOTE.

I hope that increasing the quality of he cartridge is not synonimus with leaving the half of my records on the shelves !!!!
dogpile
118 posts
 

DOUG -

Thanks the detailed explaination and for the (R) formula, it was very helpful.

TENMUS - Tri-Planar supplies an optional "spacer" for their tone-arms. Get in contact with your dealer, maybe he'll throw one in for free!
tenmus OP
49 posts
 
Thank you DOGPILE for the suggestion.

André
dougdeacon
3,338 posts
 
Dogpile,

Excellent suggestion re: the spacer. The TP website even shows them, in black or silver to match the arm. Anyone whose armboard puts the VTA tower in the top half of its range should try one.

André,

Good description of the sound. That helps, and you just gave us three more good clues:
1) the tremolo occurs only at the beginning of sides,
2) the tremolo did not occur or was not audible with an A-N IQ-3,
3) the tremolo does not occur on 200g Decca reissues,

I have a hypothesis which explains #1 and #2. If it's correct then you should hear the tremolo with your friend's DL-103. (Make sure you set VTF to 2.2g or above, as the Denon prefers.) Let us know your results.

If my hypothesis is correct there are ways to solve the problem.

Unfortunately #3 seems to contradict my hypothesis. Do you have a 200g Decca with strong piano attacks at the very beginning of a side? If so, play that with the Shelter 901 and try to cue the stylus as close to the first music groove as possible. (I'm trying to disprove #3!) :-(

Doug
More to discover