gramophone needle angle

[inecik]

Hi, I will try to make a new horn gramophone but I need some informations about that; The needle (60 degree angle)will pass centre of rotary table or not.

[soundgen]

No the needle should track to the centre spindle

[jamiegramo]

The distance past (overlap) or on the turntable centre spindle will depend on the length of tonearm and its offset. An overlap chart is found on this thread. I hope it helps. It depends on how precise you want to be.

http://forum.talkingmachine.info/viewto ... 11&t=15253

[Django]

Hi, I will try to make a new horn gramophone but I need some informations about that; The needle (60 degree angle)will pass centre of rotary table or not.

You say that you will try to make a new horn gramophone, is that right? Why?

[VanEpsFan1914]

Horn machines are cool--nice that you want to make a new one.

More pictures please!

[inecik]

I want to make a new gramophone, yes but I must be correct.I want to make a new wood case because I have orjinal machine and tonearm but my wood case is replica.I will make an oak case and I must install correctly position machine and tonearm.

[Inigo]

That seems fine. I love to do adaptations and improvements on machines, although i always search for reversible solutions that alter the original status of the machine only temporarily for better performance.
If in your case, the case ( ) is completely wrong, I think it better to provide a) an original matching case, or b) a homemade case better constructed.
I'm in similar case ( ) to yours with a small portable whose alignment is so bad... The machine value is marginal, being an off-brand 2nd category gramophone with no special identity. But the motor and soundbox are good Thorens examples, and I hate to rebuild it as it was originally... So I'm tempted to modify the motorboard and case to provide a better arrangement and tracking. I should move the motor further from the tonearm and no more. But this probably will require a modification of the external envelope too... and a new crank hole. Anyway, as the case needs a complete overhaul, and the motorboard is a thin bad quality 3-ply board, I've planned to renew it in a better grade wood.
Another bad feature is the horn; a bad imitation of the HMV101 horn, that also would benefit for a slight change... I mean complete substitution by an authentic 101 horn. Our maybe I'd dare to design an internal wooden horn using the case borders adding judiciously designed internal boards to form an exponential horn plano-reflex style... This would be still better, and more respectful with the machine! This could not be that difficult...