[Phono-L] Shellac records and damage from steel needles

Jim Nichol jnichol at fuse.net
Fri Mar 7 13:48:11 PST 2008


Radio Shack still sells styli, at least online. That's where I ordered  
a replacement for a broken Shure stylus.

Jim

On Mar 7, 2008, at 10:38 AM, Rich wrote:

> You can always find a local source for something that the  
> manufacturer does not recommend.  The entire pull out assembly is  
> supposed to be replaced as the suspension is in there and every  
> elastomer has a service life.
>
> Ron L wrote:
>> I had a Stanton locally retipped.  The old diamond was completely  
>> removed
>> and a new diamond was inserted, no re-grinding involved AFAIK.
>> Ron L
>> -----Original Message-----
>> From: phono-l-bounces at oldcrank.org [mailto:phono-l-bounces at oldcrank.org 
>> ] On
>> Behalf Of Robert Wright
>> Sent: Friday, March 07, 2008 3:32 AM
>> To: Antique Phonograph List
>> Subject: Re: [Phono-L] Shellac records and damage from steel needles
>> As far as Rega, Lyra, clearaudio, and a number of other high-grade  
>> cartridge
>> makers are concerned, I'm positive the entire cantilever is  
>> replaced, as well as the suspension.  I have heard in the past  
>> about companies that merely reground the tip, which seems cheap and  
>> somewhat pointless when misaligned magnets and coils reduce output  
>> and futz with phase coherency.
>> You're right, of course, you aren't defending steel needles any  
>> more strongly than I'm condemning them.  They were, after all, the  
>> only alternative at one time.  But in my experience, I'm not  
>> comdemning steel needles any more strongly than they condemned my  
>> records by replacing the upper octaves of frequency response with a  
>> few dB of white noise.  Thank goodness for stacks and stacks of  
>> virtually worthless shellac!
>> Best,
>> Robert
>> ----- Original Message ----- From: "Ron L" <lherault at bu.edu>
>> To: "'Antique Phonograph List'" <phono-l at oldcrank.org>
>> Sent: Thursday, March 06, 2008 2:55 PM
>> Subject: RE: [Phono-L] Shellac records and damage from steel needles
>>> Are you sure the whole cantilever is replaced during a re-tip?
>>>
>>> I don't think I am defending steel needles any more strongly than  
>>> you are
>>> condemning them.  I don't use steel needles exclusively but I  
>>> don't shy away
>>> from steel needles either.
>>>
>>> Ron L
>>>
>>> -----Original Message-----
>>> From: phono-l-bounces at oldcrank.org [mailto:phono-l-bounces at oldcrank.org 
>>> ] On
>>> Behalf Of Robert Wright
>>> Sent: Thursday, March 06, 2008 2:20 PM
>>> To: Antique Phonograph List
>>> Subject: Re: [Phono-L] Shellac records and damage from steel needles
>>>
>>> "I don't think anyone ever said that no wear  (not damage-the  
>>> choice of
>>> terms
>>> shows a prejudice) to a record occurs."
>>>
>>> Au contraire, dear Ron, it is eBay seller "nickjay" (or that's  
>>> what he used
>>> to go by) who has said in no uncertain terms that he believes ZERO  
>>> damage
>>> (or wear) happens with a single playback with a new steel needle.   
>>> So yes,
>>> I'm afraid someone has said it, and I'm sure he's not the only "true
>>> believer" out there, as Rich pointed out.
>>>
>>> I'm suprised by the strongly defensive stance you take on behalf  
>>> of steel
>>> needles, though I know you must have your reasons.  But no amount of
>>> positive semantics replacing my negatively prejudiced choice of  
>>> terms is
>>> going to reduce the amount of shellac dust I find all over the tip  
>>> of every
>>> brand new soft-tone steel needle I play a shellac record with, so  
>>> the terms
>>> really don't make any difference in the real world.
>>>
>>> I absolutely agree that optimal set-up on any machine reduces wear  
>>> to a
>>> minimum (that's most of what the set-up is for, as minimum wear  
>>> often equals
>>>
>>> optimum sound), but I was pointing out the one aspect of pivoted  
>>> playback
>>> that the purveyors of this myth seem to be either ignorant or  
>>> unaware: that
>>>
>>> azimuth error reduces the "new needles wear down to precisely  
>>> match the
>>> groove and cause little to no wear after the first few grooves"  
>>> theory to
>>> bunk.
>>>
>>> I also agree some machines had better designs than others.  I know  
>>> a lot of
>>> earlier, outside-horn machines had tonearms that were pretty darn  
>>> long;
>>> every millimeter of added distance between the pivot point and the  
>>> needle
>>> tip helps correct the azimuth error by some degree.  I don't know  
>>> how much
>>> heavier or lighter these older machines register at the needle  
>>> tip, but I'd
>>> be willing to bet records suffered less wear played on them with  
>>> new needles
>>>
>>> than on newer, shorter-tonearm'd models.  (Unless, of course,  
>>> there was very
>>>
>>> little compliance at the needle shank pivot on the older  
>>> machines...  I
>>> wouldn't know, I've never messed with any of them.)
>>>
>>> What I don't agree with is there being some great difference  
>>> between wear
>>> and damage -- wear IS damage as far as I'm concerned, whether  
>>> expected or
>>> not.  Frankly, who among us makes such a distinction when  
>>> considering buying
>>>
>>> a record that we later find out has almost completely greyed-out  
>>> grooves?
>>> Who among us minds the occasional edge chip or flake?  I fully  
>>> expect those
>>> with shellac discs, as a part of "normal use" involves handling,  
>>> and normal
>>> handling includes the occasional, accidental chipping of a record  
>>> edge. No,
>>>
>>> I say it's a matter of simple semantics, none of which make any real
>>> difference -- but by all means, use whatever terms suit you, as  
>>> will I.
>>>
>>> Lastly, a bit of quick clarification:  regarding Edison DD's and  
>>> the reasons
>>>
>>> for their relative lack of wear through playing, Pathe discs,  
>>> unlike Edison
>>> DD's, are made of the same stuff as lateral shellac discs (minus  
>>> the diamond
>>>
>>> dust, I'm assuming), and the only Pathe's I find with groove  
>>> damage have
>>> obviously been played on a lateral machine with a steel needle at  
>>> least once
>>>
>>> (it's a very obvious "look" the surface has when subjected to such
>>> numbskullery).  As I said, Pathe's sapphire ball stylus machines  
>>> offered
>>> exactly the same tip profile to the groove regardless of position  
>>> and/or
>>> angle of the soundbox, because it was spherical; as such, I've  
>>> never seen a
>>> clean vertical Pathe disc in the middle -- it has either been  
>>> shredded to
>>> nothing by misuse, or its playing surface looks -- and sounds --  
>>> pristine.
>>>
>>> Final point (so to speak, ha ha):  you won't get me to believe  
>>> that the
>>> world's hardest substance can be altered by one of the world's  
>>> most pliant.
>>> Modern cartridges are not "retipped" because of wear to the  
>>> diamond; the
>>> entire cantilever is replaced, along with the cantilever's  
>>> suspension. When
>>>
>>> burning in a new stylus, it is this cantilever suspension that is  
>>> being
>>> broken in, and when the stylus needs replacing, it is because of the
>>> cantilever suspension, which cannot support the recommended Vertical
>>> Tracking Force after so many hours of use, making the magnets  
>>> attached to
>>> the cantilever become misaligned with the coils inside the  
>>> cartridge.
>>> Plastic does not wear down a diamond.  (Playing shellac discs with  
>>> diamond
>>> dust in them is, however, another story completely, as a diamond  
>>> will
>>> obviously be reshaped by grinding against diamond dust -- that's how
>>> jewelers shape them to begin with.)
>>>
>>> Don't let wear OR damage stop you from playing your records, but  
>>> do know
>>> what you're signing up for and act accordingly.
>>>
>>> Best as always,
>>> Robert
>>>
>>>
>>> ----- Original Message ----- From: "Ron L" <lherault at bu.edu>
>>> To: "'Antique Phonograph List'" <phono-l at oldcrank.org>
>>> Sent: Thursday, March 06, 2008 9:01 AM
>>> Subject: RE: [Phono-L] Shellac records and damage from steel needles
>>>
>>>
>>>> I don't think anyone ever said that no wear  (not damage-the  
>>>> choice of
>>>> terms
>>>> shows a prejudice) to a record occurs.  That is clearly wrong for  
>>>> the
>>>> reasons you have stated.  Wear to the needle continues throughout  
>>>> the play
>>>> of the record.  If a machine is properly maintained and the  
>>>> reproducer has
>>>> compliant parts, when a new steel needle(not a nail - see comment  
>>>> in
>>>> parentheses above) is used, wear is kept to a minimum. Having  
>>>> said that,
>>>> further qualification should be made.  Some machines had better  
>>>> designs
>>>> than
>>>> others.  Steel needles are ground to a point and tumbled to  
>>>> create a
>>>> particular radius on the tip they are not merely, "headless  
>>>> nails." What
>>>> has happened over time is that the whole playback system has become
>>>> refined.
>>>> Even diamond styli are worn by vinyl records and the records  
>>>> themselves
>>>> are
>>>> worn (degraded) every time they are played.  No contact system of  
>>>> playback
>>>> will eliminate this.  If you have a super-valuable/rare record,  
>>>> should you
>>>> play it repeatedly with a steel needle? No.  But then again, you  
>>>> probably
>>>> shouldn't play it repeatedly with any needle/stylus.
>>>>
>>>> I think Greg Boganz mentioned the lack of wear on DDs on the  
>>>> Electrola
>>>> list
>>>> recently.  It is not entirely because of the tone arm and has to  
>>>> do with
>>>> vertical grooves and the nature of the DD surface.
>>>>
>>>> Ron L
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