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Testing the Yamamoto HS-4 Carbon Fiber headshell.

Received the Yamamoto HS-4 Carbon Fiber headshell today and tried it on my 12" Jelco 850L. I guess this is a common upgrade path for many Jelco users so I succumbed to temptation.
Turntable is a modified Garrard 401 in a slate plinth on a maple and concrete support with new third party bearing, platter and idler.
I tested it with my Decca "Garrott Brothers Microscanner" Gold with new line contact stylus and Decapod.
Three records were played. Ketty Lester - Love Letters (1962), Cole/Davinport/Tate/Dickenson - French Festival Nice France 1974, Buddy Tate - The Great Buddy Tate (1981).
I played sample tracks from the records before swapping the standard magnesium Jelco headshell out. From the first needle drop using the Yamamoto, there was a soft grey veiling. Not a great start. There was definitely greater depth and improved bass - I could hear the kick drum pedal hitting the skin in a very specific location and acoustic bass was well delineated and easier to follow. Soundstage was more of a wall of sound with greater height. I remember the same effect using grey plate Sylvania Gold 5751s once which are acclaimed but not to my taste. Female vocals didn’t have the articulation and airy projection I normally experienced and it was that which forced me to stop going any further and I duly put the original shell back. The greyness was gone, replaced by a transparent black background and what I can only call a vast increase in precision and focus. I deliberately didn’t mention the mids and highs with the HS-4 simply because they were compromised and wholly unsatisfactory. With the Jelco, the tremendous detail returned: The color and metallic shimmer of cymbals, the beauty of vocal inflection, instruments speed and clarity. Piano hammers sounded fast and believable. But most importantly, dynamic range now soared with startling realism. That bass drum is not as clearly evident and it is the one area I’ll give to the Yamamoto. Make no mistake though, this carbon fiber headshell was an enormous fail for me. I can only assume the material imparted its soft plasticky sonic signature onto the music. Not recommended.

128x128noromance
noromance's avatar
noromance OP
9,766 posts
 
De gustibus non est disputandum!
But not really.
There have to be other phenomena at work here. I do not believe the disparity of human physiology can be so diverse that we hear so differently. 
But not really.
Maybe neural density of the brain accounts for the alternative psycho-acoustic interpretations of the auditory transmission from system to mind.
nandric's avatar
nandric
4,086 posts
 
Dear noromance, Deed you forget ''nature versus nurture''?
To put this otherwise is music not cultural determined. I ever
mentioned Chinese opera as example. I can't imagine anyone
from the West who likes those operas. We in the West have an
enorme cultural riches of music. Can you imagine any education
by us without music? 
nandric's avatar
nandric
4,086 posts
 
Addition, ''degustibus non est disputandum''. That is the point.
Value statements are not ''truth-functional''. This means they
are not ''true or false''. The truth criterions does not apply to
them. But despite of your , say, title, you try to find some scientific
base for your opinion. 
noromance's avatar
noromance OP
9,766 posts
 
@nandric Not sure what cultural and musical preferences have to do with sound perception especially in relation to others on this thread.
Truth and value statements may seem at odds with each other but what is the truth here? Is the headshell truly better than I hear it? The only way to ascertain an agreed-upon outcome is to have a listening session and discussion. We could speculate and theorize indefinitely. 

nandric's avatar
nandric
4,086 posts
 
@noromance , I can only react on what you write not on what you
think. You quoted this Roman phrase ''de gustibus non est disputandum'' 
but added ''not really''. What does ''not really''
mean. Not true? I asked about ''nature -nurture'' question but
you avoided the issue. To me your fixation is on ''nature'' with
scientific inclination. But music is ''social thing'' inscrutable
otherwise. I mentioned Chines opera in this context. Then we
all (?) know that, say, Japanese prefer other geir than we in the
West do. Japanese them self make other cartridges for their own
market than for the ''West market''. Those differences can't be
explained with ''nature'' but only with ''nurture''.
BTW ''better than...'' imply comparisons or ''relational sentences''
which imply valuation statements which are involved in this
Roman phrase. 

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