A "sapphire optical flat" is exactly what Story suggested already.

Vinyl Asylum

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Topic - AR-XA spindle thrust bearing problem. - alaskahiatt 02:29:26 05/7/22 (35)

"crude looking turntable" ? - M3 lover 09:17:52 05/11/22 (1)

You're right. I edited the guilty post. - alaskahiatt 10:59:25 05/11/22 (0)

A poster on another site stated that Marc Morin later admitted that - alaskahiatt 21:58:54 05/9/22 (2)

Hmmm, did he refund the money paid to him for his mistakes? )MT( - J. S. Bach 11:40:11 05/10/22 (1)

Not being a frequent reader of the other site, I don't have an answer for you . nt - alaskahiatt 14:13:02 05/10/22 (0)

After an all day affair, I am back spinning LPs on my AR-XA. - alaskahiatt 23:24:40 05/7/22 (8)

Sweet! Good for another half century, congrats. Nt - viridian 12:20:42 05/8/22 (1)

That's how I feel. Too bad I am 76. nt. ;^) - alaskahiatt 23:30:42 05/11/22 (0)

RE: After an all day affair, I am back spinning LPs on my AR-XA. - JonM 05:18:44 05/8/22 (2)

Hahaha. Thanks. Actually, I just scrounged the inner platter from - alaskahiatt 05:53:21 05/8/22 (1)

I remember my first exposure to the AR - Story 07:13:09 05/8/22 (0)

all day affair - Story 04:19:30 05/8/22 (2)

Thanks. Already ordered two more from Pat's Audio last night. nt - alaskahiatt 05:13:06 05/8/22 (0)

It's surprising how long those Delrin thrust pads will last. - ghost of olddude55 04:52:55 05/8/22 (0)

Bad luck Alaska. - viridian 08:09:18 05/7/22 (4)

I will order another delrin pad from Pat as a standby, and I especially - alaskahiatt 14:16:58 05/7/22 (3)

Marc Morin - sbrook 05:03:40 05/8/22 (1)

It would have been nice to have Marc's jeweled vertical tonearm bearing cups. - alaskahiatt 05:29:41 05/8/22 (0)

The best part of all this...- - viridian 14:36:47 05/7/22 (0)

you have one other option - Story 06:19:46 05/7/22 (4)

RE: you have one other option - beach cruiser 16:05:10 05/8/22 (2)

A "sapphire optical flat" is exactly what Story suggested already. - alaskahiatt 05/8/2216:52:23 05/8/22 (1)

one mans unchangeable surface, I see as a subjective issue. - beach cruiser 14:13:18 05/11/22 (0)

Thanks for the ideas. The manual says to use 20W non detergent oil, so - alaskahiatt 13:45:55 05/7/22 (0)

All I did was flip the Delrin bushing. - ghost of olddude55 04:38:05 05/7/22 (6)

I will flip my delrin over, as the other side is flat. Thanks. nt - alaskahiatt 14:01:03 05/7/22 (0)

his looks extremely worn - Story 04:40:54 05/7/22 (4)

I've got enough parts here to build another arm for the XA. - ghost of olddude55 06:11:52 05/7/22 (3)

RE: I've got enough parts here to build another arm for the XA. - JonM 05:56:36 05/8/22 (2)

I've looked it up and down... - ghost of olddude55 10:33:57 05/8/22 (0)

tilt it and take advantage of gravity - Story 09:09:59 05/8/22 (0)

most unfortunate - Story 03:47:33 05/7/22 (3)

RE: most unfortunate - BillWojo 06:43:23 05/8/22 (2)

RE: most unfortunate - MylesJ 13:33:52 05/8/22 (0)

RE: most unfortunate - Story 09:14:50 05/8/22 (0)

Follow Ups

A "sapphire optical flat" is exactly what Story suggested already. - alaskahiatt 05/8/2216:52:23 05/8/22 (1)

one mans unchangeable surface, I see as a subjective issue. - beach cruiser 14:13:18 05/11/22 (0)

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