I have a Wallytractor for my WTT Reference and it says the effective length is 238 mm. I can't find the other info. Don
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I also have an interest since I have a Well Tempered reference arm & table also. Note that my table goes back to the square motor design.
I also have a Wally Tractor and Wally sent me one that had an effective legnth of 235mm, same as a Graham. My spindle to pivot measures about 217mm. Note that this is a pain to measure since the pivot is where the threads intersect.
I've assumed that the effective length was the distance from the pivot to the stylus tip - thus this measurement depends on the cartridge that you'd be using. - I think! I'm using a Shelter 901.
As far as offset angle, are you referring to the angle of the cartridge mounting head? If so, I measured that angle at 68 degrees.
Hope this doesn't confuse any further. I'm going to try to remeasure again & I'll let you know what I come up with.
Thank you all for your responses but it seems I have no consensus answer to rely on ie........
I think from spindle to pivot 9.2 inch or (234mm)and the 20 degree tracking angle for the cartridge.
I also have a Wally Tractor and Wally sent me one that had an effective length of 235mm, same as a Graham.
AND........As far as offset angle, are you referring to the angle of the cartridge mounting head? If so, I measured that angle at 68 degrees.
I have a Wallytractor for my WTT Reference and it says the effective length is 238 mm.
This is why I was hoping to hear from STANALOG but no luck.Anyone have any other way to get in touch with STANALOG??? STANALOG,you out there???????? Check your messages/Emails!!!!
Dear Mred: I wonder if you have a trouble with your tonearm/cartridge alignment on the past or today: is it something wrong with your tonearm/cartridge performance?
from this " manual ": http://www.vinylengine.com/library/well-tempered/arm.shtml
it seems to me that you can/could make the alignment but maybe I could be wrong.
Now if you must needs the thread tonearm " numbers " maybe you can/could try to contact Transparent Audio ( Karen Summer. ) that build for years the WT products or to Andy Payor ( Rockport Technologies ) who made some re-designs about, maybe they could help you.
Anyway, with the WT protractor you have the effective length ( from stylus tip on the protrator to the bearing center ) and you have too the " mounting distance ( spindle center to the bearing center )and for subtraction the overhang and you say already have the offset angle. Of course that you have to make/take, with the right measure tool, those measures.
Anyway, it is almost incredible that the world distributor of WT can't answer to its customers.
Regards and enjoy the music.
Essentialaudio, I went thru that painful experience (trying to adjust offset and overhang on a WT Ref tonearm) on behalf of a dear friend of mine, whose only crime was that he wanted to install his new Dynavector 17D3 cartridge, which has a very short cantilever and hence a shorter than normal distance between its mounting holes and the stylus tip, in the horizontal plane. It seems you have to loosen a bolt accessible only from the bottom of the WT plinth in order to twist the tonearm on its shaft, to adjust the overhang. This was difficult, even for two people, given the weight of the plinth, the instability of the WT platter, etc. But even when we were eventually successful, it proved to be next to impossible to maintain the correct adjustment while tightening down on that bolt beneath the chassis. It was not a pleasant experience.