Just picked up this Dual 1229 with a Shure M91E cartridge with shure stylus installed. It had some typical old grease lockup on the speed changer, start stop etc. Think i resolved all that. Also some wonkiness going on with the steurpimpel (sp?) catching reliably but I hopefully resolved that as well.
One problem that remains is the unit is skipping (single play mode) - stylus jumping back to a previous point and repeating endlessly. I can see the stylus/cataliver moving inward, but the arm isn't following. I always throw the same test record on when testing a table. It's beatup, scratches etc,. but that's somewhat intentional as I want to see what happens in a non-perfect environment.
When the stylus started skipping, I assumed it simply was too worn so I ordered a replacement - only to find it resolved nothing. Same record played on many other tables and there is no issue (clicks and pops yes, but not repeating sections.) On this record, with this table only, it won't even get out of the lead in grove on the record (and many oher spots on the record it gets stuck as well.
The tracking force is set (and verified measured) appropriately at 1.25 grams. The stylus is centered under the cart sled line. Cartridge is horizontally set properly. Tracking force set to match but none of these seem to matter. I can adjust the tracking force differently (heavier), antiskate (less, more, off) etc and nothing resolves it.
It's possible the cart is too far forward or too far back I guess, but I don't have the tool to set. I measure about 7-8mm from front of sled to stylus tip. about 43 mm from stylus tip to back of sled/headshell, and about 23mm from top of sled to stylus tip. Do those sound about right?
Also, this model does not have the adjustable height on the headshell for single/multi play mode like some other duals. So along with the stylus locations measurements from above, I'm wonder if somehow the cartridge angle could be wrong?
I've never had a table do this before with this record. Other thoughts as to what is going wrong?