F-attach slide 42T same as 42AF?

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BrianJohnston
Posts: 1165
Joined: Jul 11, 2020

by BrianJohnston »

Hi does anyone know if the f attachment slide on the Bach 42T is the same on the 42AF? Or if any other valve’s tuning slide is compatible? Thanks
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Burgerbob
Posts: 6327
Joined: Apr 23, 2018

by Burgerbob »

They could be, but they were made by different suppliers.
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octavposaune
Posts: 160
Joined: Jul 04, 2018

by octavposaune »

Not at all!

Benn
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BrianJohnston
Posts: 1165
Joined: Jul 11, 2020

by BrianJohnston »

[quote="octavposaune"]Not at all!

Benn[/quote]

How are they different? Do they just not fit in each other?
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octavposaune
Posts: 160
Joined: Jul 04, 2018

by octavposaune »

42T wrap parts were made by OE Thayer and are much thinner wall thickness that the 42AF which use standard 42B inner f attachment tuning slide tube dimenions. Bach may have copied the OE bend radius but nothing else is the same. I will go check the bend radius later, its probably different too

Benn
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octavposaune
Posts: 160
Joined: Jul 04, 2018

by octavposaune »

Can confirm 42AF slide crook is not the same span as an OE Thayer crook, but they are close. Also, very different wall thickness as prevoously mentioned. Tuning slide tubing on the F attachment is not compatible. OE slide might fit in a 42AF but would leak like a sieve.

Benn

Benn