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 Plastic upper joint and wood lower joint
Author: paker 
Date:   2012-07-04 17:18

I saw a clarinet with plastic UJ and wood LJ. The UJ even had metal tenon rings. Is this a common occurrence in the old days? Thanks.

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 Re: Plastic upper joint and wood lower joint
Author: SteveG_CT 
Date:   2012-07-04 17:33

I've never seen a clarinet that intentionally had joints made from different materials. My guess would be that this is a "frankenstein" clarinet and that the serial numbers on the two joints will not match. It wouldn't surprise me if one of the joints had cracked or otherwise got broken and was replaced with one from a different clarinet. In years past it was not uncommon for some of the manufacturers to have plastic/rubber and wood variants of the same model.

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 Re: Plastic upper joint and wood lower joint
Author: BobD 
Date:   2012-07-04 18:12

Maybe the UJ is actually wood........

Bob Draznik

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 Re: Plastic upper joint and wood lower joint
Author: bethmhil 
Date:   2012-07-04 21:14

My guess is that the joints are probably different from each other. But, oboe manufacturers like Fox make oboes with plastic upper joints & grenadilla lower joints and bells, probably for guarding against cracking... Upper joints are usually more susceptible to cracking.

BMH
Illinois State University, BME and BM Performance

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 Re: Plastic upper joint and wood lower joint
Author: Chris P 
Date:   2012-07-04 23:07

I've seen student level clarinets with plastic barrels (eg. Noblet and Buffet E10) but not wooden ones with a plastic top joint and barrel or pro ones with both wood and plastic top joints.

While it's common for oboes to be offered with plastic top joints or supplied with two top joints (one wood and the other plastic), I've never seen clarinets like this (or any supplied with two top joints) which would make sense if you wanted to use them outdoors but didn't want the risk of the top joint splitting and save the wooden top joint for indoor use.

Former oboe finisher
Howarth of London
1998 - 2010

The opinions I express are my own.

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 Re: Plastic upper joint and wood lower joint
Author: SamuelChan 
Date:   2012-07-04 23:18

I don't know the other use of metal tenon rings but isn't it supposed to stop wood from expanding, then why does a plastic UJ have tenon rings?

Also this is the first time I've heard this. I know some oboes have plastic UJ and wooden LJ but not for clarinets.

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 Re: Plastic upper joint and wood lower joint
Author: paker 
Date:   2012-07-05 04:06

"While it's common for oboes to be offered with plastic top joints or supplied with two top joints (one wood and the other plastic)........"

This makes sense. Both top and bottom have the same serial number except additional "2" on the top.

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 Re: Plastic upper joint and wood lower joint
Author: BobD 
Date:   2012-07-05 11:35

Maybe it's an oboe!

Bob Draznik

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 Re: Plastic upper joint and wood lower joint
Author: gsurosey 
Date:   2012-07-06 03:33

Do you have any pictures?

----------
Rachel

Clarinet Stash:
Bb/A: Buffet R13
Eb: Bundy
Bass: Royal Global Max

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 Re: Plastic upper joint and wood lower joint
Author: Tony F 
Date:   2012-07-06 05:14

"This makes sense. Both top and bottom have the same serial number except additional "2" on the top."

The extra 2 might indicate that that joint is a factory-supplied replacement, in the same way that some manufacturers mark a repaired or replacement joint with an asterisk or such.

Tony F.

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 Re: Plastic upper joint and wood lower joint
Author: paker 
Date:   2012-07-07 04:50

"The extra 2 might indicate that that joint is a factory-supplied replacement, in the same way that some manufacturers mark a repaired or replacement joint with an asterisk or such."

Thanks for the explanation. I just saw it, not mine. I don't have pictures.

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