RE: No dumb questions, only dumb designs...

Posted by John Elison (A) on July 6, 2012 at 07:15:27

In Reply to: No dumb questions, only dumb designs... posted by tketcham on July 6, 2012 at 04:32:18:

> I'd just use the mounting distance of 209.5mm and live with the alignment of the tonearm.

That's the worst idea of all.

Mr Blue Sky has the right idea to mount the arm at the correct distance for Lofgren's A alignment and simply adjust the offset angle appropriately. He can then download Conrad Hoffman's program for making a custom arc protractor and end up with a very good alignment with null-points at 66-mm and 120.9-mm.

Custom Arc Template Generator for Tonearm Alignment (Open in New Window)

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Follow Ups Full Thread

Topic - Tonearm Mounting/Geometry Question.... - Mr Blue Sky 14:33:39 07/05/12 (18)

Yes, maybe... - tketcham 17:52:32 07/05/12 (10)

Forgive me if this is a dumb question, but... - Mr Blue Sky 18:15:09 07/05/12 (9)

RE: Forgive me if this is a dumb question, but... - dtut 10:02:01 07/06/12 (4)

Not sure I understand.... - Mr Blue Sky 12:06:32 07/06/12 (2)

RE: Not sure I understand.... - dtut 15:18:09 07/06/12 (1)

Desperation is the mother of invention... - tketcham 05:59:53 07/07/12 (0)

That is a... - tketcham 10:23:22 07/06/12 (0)

No dumb questions, only dumb designs... - tketcham 04:32:18 07/06/12 (2)

RE: No dumb questions, only dumb designs... - John Elison 07:15:27 07/06/12 (1)

Worst may be best... - tketcham 08:23:30 07/06/12 (0)

RE: Forgive me if this is a dumb question, but... - John Elison 20:13:49 07/05/12 (0)

RE: Tonearm Mounting - M3 lover 16:21:45 07/05/12 (0)

Sounds right to me... - John Elison 15:56:06 07/05/12 (5)

If I had known math ... - reelsmith. 17:27:56 07/05/12 (4)

CD players rule! ;-) /nt\ - John Elison 20:32:56 07/05/12 (3)

Oh, John.... - JimK 08:07:22 07/06/12 (2)

RE: Oh, John.... - John Elison 09:50:29 07/06/12 (1)

I miss my tubes. - JimK 12:56:56 07/06/12 (0)

Follow Ups

RE: No dumb questions, only dumb designs... - John Elison 07:15:27 07/06/12 (1)

Worst may be best... - tketcham 08:23:30 07/06/12 (0)

RE: No dumb questions, only dumb designs...

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