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Thinking about a 1200G

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Graham Slee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Graham Slee Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2019 at 4:49pm
Originally posted by JonThurston JonThurston wrote:

One disconcerting development on the SL-1200 G:

Naturally, I checked mine and lo!... a bleedin' wobble! 

It's certainly slight but easily discernible to the naked eye once you are aware of it. It resembles a kind of undulation, in rhythm, and I would say the peak vertical motion is not more than 1mm - difficult to tell.

Naturally I've double checked the seating of the platter on the spindle assembly, cleaned everything, etc. - but its still there. In fact, on lightly pressing the outer edge of the platter whilst its stationary there is a definite rocking or play that can be felt.

My deck is 4-months old and in pristine order. I bought it new from a well-known online retailer that went into administration earlier this year, so I've contacted Technics directly but they are... not overly keen on getting into the matter, shall we say.



I'm shocked! I have three old SL1200/1210 II's: one I bought new 7 years ago; 2 I bought off eBay - actually bought 3 and made 2 good ones. All are now well-used and absolutely no wobble.

Not overly keen? They need a swift kick up the Censored !
Not simple enough for Google-Bot to understand...
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JonThurston View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JonThurston Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2019 at 5:24pm

[/QUOTE]

I'm shocked! I have three old SL1200/1210 II's: one I bought new 7 years ago; 2 I bought off eBay - actually bought 3 and made 2 good ones. All are now well-used and absolutely no wobble.

Not overly keen? They need a swift kick up the Censored !
[/QUOTE]

Not sure how permissible links are (?), but here's 3 brief videos of my tremulous Technics:

1. https://youtu.be/aQj3kVPcJLo

2. https://youtu.be/Rehsp_vg0YQ

3. https://youtu.be/CAd9UZQpbdk


Technics SL 1200G w/AT VM750SH - CuSat50 - Accession MM - Marantz PM6006 - ULDE - Sennheiser HD600 - ProAc DT8
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Graham Slee View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Graham Slee Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2019 at 6:25pm
On the old ones the 'stub axle' type bearing is held in by 3 screws. See "A" on image at

https://i.pinimg.com/originals/92/fb/de/92fbdea8b17edf7de4ea69752e063d62.gif

reproduced here:


Wonder if these were not tightened in assembly?
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Chris Firth View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Chris Firth Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2019 at 6:37pm
Originally posted by JonThurston JonThurston wrote:




I'm shocked! I have three old SL1200/1210 II's: one I bought new 7 years ago; 2 I bought off eBay - actually bought 3 and made 2 good ones. All are now well-used and absolutely no wobble.

Not overly keen? They need a swift kick up the Censored !
[/QUOTE]

Not sure how permissible links are (?), but here's 3 brief videos of my tremulous Technics:

1. https://youtu.be/aQj3kVPcJLo



2. https://youtu.be/Rehsp_vg0YQ



3. https://youtu.be/CAd9UZQpbdk




[/QUOTE]
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Chris Firth Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 2019 at 6:45pm
Is there some crud on the spindle?
Is there any burring in the aperture where the spindle goes through the platter?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JonThurston Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 2019 at 5:52pm
Dear Graham and Chris

thanks for the tips.

Had the platter off today to check for burrs or crud - nicely clean there.

Technics customer services continue to send me 'troubleshooting' advice via email, such as (quote) "Please check tiny dust particles are not caught in between" they don't say in between what precisely, or how tiny. When I paid £2500 for the turntable I didn't realise I'd need an electron microscope and to operate the 'table only under sterile lab conditions.

Since its less than 6-months old and I sensibly bought it with my credit card, perhaps I'll take things up with the card issuer.

I realise this may be a 1/1000 unit issue, but shame on Technics.

[Accession and ULDE still immaculately soldier on!]
Technics SL 1200G w/AT VM750SH - CuSat50 - Accession MM - Marantz PM6006 - ULDE - Sennheiser HD600 - ProAc DT8
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Richardl60 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richardl60 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jun 2019 at 7:17pm
If you were buying a £100 deck this wouldn’t be acceptable and I would be inclined to ask for replacement or if not full refund (sale of good act) or try trading standards for advice. Sounds like you have a Friday afternoon Lemon? As you say it may be a 1/1000 which is why you should get a replacement not asked to mend it yourself Angry

Edited by Richardl60 - 01 Jun 2019 at 8:16pm
The Source turntable, Audiomods V micrometer, Dynavector XX2-2, Accession M, Elevator, Leema Antila 2Seco CD player, TDL studio 1.
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