The LT means the lightweight slide. The M means the .509 bore. The G means gold brass bell. What the heck does the W7 mean?
Thanks.

Except, in the case of the 16M, it does.
This is the only hit I can find about it anywhere: https://reverb.com/item/67643239-bach-l ... ne-no-caseCrazy4Tbone86 wrote: ↑Tue Jul 11, 2023 9:23 pm I am still interested in the original question…..what is W-7? I have never seen that on a bell or a slide. Sounds like an abbreviation that the seller is using to describe something about the horn.
Ah! I think you've figured it out! Good detective work. It was the butler, in the parlor, with the candlestick!ithinknot wrote: ↑Wed Jul 12, 2023 12:13 am I'm pretty sure it's a factory code for "no case", as opposed to the usual instrument/case/mouthpiece package - at one point Quinn listed a group of caseless Bachs and W# was on all the descriptions
e.g. https://reverb.com/item/50562948-bach-m ... 2-open-box
https://reverb.com/item/67631885-bach-l ... ow-no-case
... "no case" is the shared characteristic