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Oh here we go
I guess I'll have to find a copy of the Radiotron designers handbook
mentioned here.

http://www.kabusa.com/str8_doc.htm

sorry all,
Nathan

On Sat, Dec 17, 2011 at 8:13 PM, Nathan Coy <[log in to unmask]> wrote:

> I've been following this with great interest and as a byproduct have
> wondered about the differences between carefully compensating by angling
> (in respect to radius of disc) a cartridge in the headshell on a straight
> tone arm vs. a curved tonearm with same cartridge angle. This is assuming
> that both tone arms have the same effective length and are of course
> radial/pivoting and not tangential arms. I've been digging through the AES
> E-library a bit haven't found any article covering this specifically with a
> discussion of comparative distortion at select imperfect angles (although
> have now read a lot on anti skate design, tone arm weight, rigidity, etc.).
>
> I did come across a quite old article that's pretty interesting though and
> close to what I'm looking for:
>
> Carlson, R.E. (1954). Resonance, Tracking, and Distortion: An   Analysis
> of Phonograph Pickup Arms. Journal of the Audio Engineering Society. 2(3),
> 151-162.
>
> especially pp. 157-158.
>
> I've seen statements by companies saying s bent arms are better but I'd
> like to see the documentation/detail.
> Any direction to sources would be appreciated along with discussion  here.
>
> Thanks,
> Nathan Coy
>
>
>
> On Sat, Dec 17, 2011 at 3:18 PM, Graeme Jaye <[log in to unmask]> wrote:
>
>> On 17/12/2011 Andrew Hamilton wrote;
>>
>> AH> I think Mr. Jaye meant to say "tangential tracking arms."   However,
>> the
>> AH> tangential trackers do move along the radius of the disc.  (: Better
>> AH> maybe to call the straight and S-shaped arms, pivoting.
>>
>> Sorry to have confused anyone.
>>
>> In my original post, I actually referred to "a radial tracking system"
>> - which means, of course, a linear tone arm (and tracks along the
>> radius of the disc, as you rightly say) - not a radial tone arm.
>>
>> The main thrust of my comment was that Goran Finnberg had actually
>> confused the original question (which concerned the differences
>> between straight and curved radial tracking arms) with linear trackers
>> and went to great lengths to prove that he was right (which he was)
>> although not understanding the question.
>>
>> Graeme Jaye
>>
>> [log in to unmask]
>>
>> Audio Restoration and Location Sound Recording
>> http://www.personal-cd.com
>>
>
>