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jessie.dazzle wrote:

You did at one point (circa early 2005) prefer the metal suspension for MF : http://www.goodsoundclub.com/GetPost.aspx?PostID=871                Quote from Romy - Early 2005:                "I have now my S2 running with the original diaphragms in the very same way in which it was made 55 years aback: I have no HF harshness at all"

Jessie, my site is not a collection of “audio wisdom” but rather a diary of an audio psycho, sort of a chronicle of my adventures in audio. We all and certainly I do make moves into wrong direction, or in less productive direction, not to mention the very stupid directions. It happens here, my site reflects it (like my attempts to use tweeter attenuation with moving the tweeter on the slope and a few others….) and I have no problems to admit it. When I discover or realize about my wrong or not fruitful moves I always publish the follow-ups but never delete or edit the older posts.

There were a periods (and not ounces) when I felt that my use of the original diaphragms was warranted. I do not feel that it was stupid but conditional – slightly discharges drivers, a good electricity, a certain use (or do not use) of tweeter. Then I found some justifications do not use original diaphragms. It is all about the relationship between the conditions and the results. The top end of the original diaphragms does much better with soft magnets (I have S2 with different magnets), in fact the best with electromagnet. When electricity is very good the original metal diaphragms do extremely well but as soon electricity has a very little nose the metal diaphragms begin to sound very nasty.  The plastic suspension is much more “liquid” and less sensitive to electricity. So, what I said that “It never changed” I meant that it never changed since my last findings and I have for a couple years the plastic suspension in my MF channel…
 
http://www.GoodSoundClub.com/GetPost.aspx?PostID=878 

http://www.GoodSoundClub.com/GetPost.aspx?PostID=937

http://www.GoodSoundClub.com/GetPost.aspx?PostID=948

http://www.GoodSoundClub.com/GetPost.aspx?PostID=1253

http://www.GoodSoundClub.com/GetPost.aspx?PostID=1344

Saying it, I very much might try to use the metal suspension again when I will be driving the MF with a single-stage Milq, direct coupled or ater I try the Duddanization of the cone. The single-stage Milq should be “a cleaner electronics” and it should be advantageous....

jessie.dazzle wrote:

Reading your thoughts on the two suspensions at that time leads me to wonder if the plastic suspension is not stealing away some of the tone?

Very reasonable question. However, the difference between the plastic suspension and metal suspension (BTW, I have 2 different version of plastic suspension) is not in tone at least not in the tone that makes the S2 different from Red. We are approaching the moment when it is difficult to describe the things and it should be experienced. Since you already do have the S2 driver then buy from Mike one single plastic suspension cone and try it next you original cones. If you have only plastic suspension then I do encourage you to find the original cone. If you can’t then I might send you one to try. When you play both of them then you might understand why I went back and forth with the cones in past and perhaps will do it again in future perhaps. I still do not feel that it is not “tone” that drives me.

Rerurn to Romy the Cat's Site