@dover : 3 eggs?, that's where comes your overall misunderstood.
R. |
Dear @dover : FR as Technics and other vintage japanese tonearm designs took Stevenson alignment as their sample alignment and seems to me that all of them did not matters to much ( in those times. ) about accuracy critical importance on the alignment set up parameters but FR took Stevenson too:
The FR66 specs says: 16.8° as offset angle and ST is 16.84° and for the overhang FR says 12mm and ST 11.8. If you make the calculations for the FR 64 is more or less the same.
FR choosed by ignorance Stevenson. The Ikeda IT-407and 345 are the same as the FR tonearms.
From where came/comes your statement that they don't took as sample Stevenson alignment?
AZ: ther FR headshell integrated cartridges has not an azymuth mechanism to change it when it needs.
R. |
Dear @edgewear: """
This is clearly what Ikeda had intended. """
unfortunatelly Ikeda was a follower of the ignorance of almost all tonearms japanese manufacturers whom choosed by ignorance Stevenson alignment, was like a wrong " fashion " in those times and additional to that fashion Ikeda made other mistake when left fixed the AZ alignment parameter too.
R. |
Dear @edgewear : """ but I don’t hear the sonic benefits compared to Stevenson, so I decided to stick with Ikeda’s original specifications.."""
It’s weird, for say the least, that you can’t be abble/aware of the quality performance in cartridges running with Lôfgren A alignment and Stevenson alignment when the last one has way higher tracking distortion levels in all recorded LP surfce but the lAst 3mm.
Something is wrong down there with your room/system resolution levels or even with your ears sensitivity or the overall analog rig and set up.
R.
|
The one conical is the 7 f/c not the 7f. |
Dear @chakster : The only conical stylus tip shape in that FR series is the the 7F/c all the other came with line contact. FR never used ellipthical shape in that cartridge series.
The way you are reasearching about seem to as if the matters be " dead or live ". Anyway you have the answer.
Regards and enjoy the MUSIC NOT DISTORTIONS;
R. |
Dear @chakster : The first F7 born in 1978 and came with line contact type 0.3x0.3mil.
The only conical FR cartridge in this series is the 1981 FR-7F/c.
In between the 7f and 7fz ( 80-84. This the latest but not the more expensive that was the 7f-c. )
Refinement of line contact could means that is better polished but who knows what really means ? ?
Regards and enjoy the MUSIC NOT DISTORTIONS,
R. |
Dear Marco: All is a matter of preferences/priorities and different tolerance range level of distortions.
Regards and enjoy the music,
Raul. |
Dear T bone: Yes, you are right the FR-7 was introduced in 1978 for 55K Yens, then the FR-7f for 77K Yens and the FR-7f/c for 100K yens and the latest FR-7fz for 80K Yens. With differences on stylus shape and output level.
I owned the 7fz and own the 702 which is very good performer specially on the Micro Seiki MAX, I try it through the Ikeda 407 and FR-66 but I prefer the MS MAX.
The FR-1MK3 ( that I owned too ) was in a different quality performance down level ( some people think that the FR-7 comes from it, I don't because its performance level was/is different. ), even its price was way down of the FR-7/702: 30K Yens.
Like Syntax posted: if you find a 702 or a FR-7fz go a head because are more refined ones and have all the detail recovery that comes in the recording.
Regards and enjoy the music.
Raul. |
Dear T bone: +++++ " Have you ever used/considered the micromini-voltage Micro Seiki MC carts like the LC-80W, which puts out something like 0.0mV? " +++++
Like Jonathan I can't say how good is this cartridge with a today whole analog rig, I heard twice at dealer shop a have no opinion on its performance but about cartridges with really low output ( The LC-80 is almost normal for the next ones. ) the lower I know was the Jeweltone that JC posted with 0.04mv and next to it are the Audio Note IO Limited and the Ortofon MC 2000 with 0.05mv, these two are great peformers, I still have the MC 2000 that it is not only a challenge because its low output but it is too a high compliance MC cartridge!!
Btw, I already posted about the FR-1 and FR-7 but I confirm and agree with JC: I own and owned those FR cartridges the quality performance on the 7 against the FR-1s is totally different, the 7s are way way better and like I posted its prices are way different too.
Agree too with JC on the FR tonearm quality performance. No I don't want to start ( again ) nothing on this tonearm subject.
Regards and enjoy the music.
Raul. |
Dear Dertonarm: It is hard to say if Nagaoka or maybe Supex was the builder.
In USA was marketed by SAE with a retail price of 400.00
I read that this Agon person: Topoxforddoc, own or owned the cartridge, maybe he has some information about: you can ask him.
Regards and enjoy the music.
Raul. |
Dear Jcarr: I assume you are talking on the Sumiko tonearm wrap device ( or something similar . ) that I used with very good results too with the long SAEC tonearms.
I understand that that product is out of production but was a useful " tool ".
Regards and enjoy the music.
Raul. |
Dear Marco: The one " tool " that I'm refering in my last post ( I know that you are not asking me . ) and that I assume JC was using is a short piece ( around 35cms long and 1cm wide. ) of a clear/transparent stretch material ( it is not a hard material but a flexible one that is very light/weight. ) that serve to wrap in " helicoidal " way/form the tonearm arm wand.
This device help a lot to lower the resonances/distortions on your FR66 along that you use the FR-66 in static balanced way.
Due that the weight of the device is really small ( I think no more tha 5grs. ) it increment maybe the tonearm effective mass by around 2grs that can't alter dramatically the cartridge resonance frequency in favor of better performance due to lowering the toearm/cartridge " distortions ".
Now IMHO if you want to achieve a better quality performance from your 7fs the Micro Seiki MAX ( with J arm wand ) is a lot better than the 66 or even,like JC point out, the Ikeda 407 will make better, I prefer the MS MAX and certainly too the 66 is not the best match for the Titan's .
The commercial job for that arm wrap was made by Sumiko some years ago and today ( for what I understand ) is out of production.
Regards and enjoy the music.
Raul. |
Dear Syntax: Maybe your system alignment like you say is better but IMHO I think that you like more the " higher " FR tonearm distortions.
Regards and enjoy the music.
Raul. |
Syntax: and nothing wrong with that because that's what you like it.
R. |
Dear Perrew: Maybe not because according with this:
http://74.125.95.104/search?q=cache:1fIRyl0l5NgJ:www.audioinvest.no/fr/products/frc_702.htm+fidelity+research+mc-702&hl=es&ct=clnk&cd=3&gl=mx
has only two magnets and usually when a designer put Alnicco use more than two.
Maybe Jcarr could have a more precise answer. Btw, why is so important to you?
Regards and enjoy the music,
Raul. |
