R&S Helleberg throat measurment

Tubaryan12 · Post by **Tubaryan12** » Sun Dec 24, 2006 11:25 pm

Edit 12.27.2006:

Now I need the measurement of the throat of a R&S Helleberg.
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Does anyone have a measurement on the throat on a Bach 18? If so, please post.

iiipopes · Post by **iiipopes** » Mon Dec 25, 2006 1:46 am

Keeping in mind that Bach specs, including the internal cup diameters, are notoriously smaller than actual production, by comparing the throat of my Bach 18 to my Wick 1, which has a similar throat diameter, and by doing a rough measurement with my cheap calipers, the published spec is probably pretty close, because throats are usually drilled with a specific bit rather than lathed to a spec: 8.84 mm; .348 in; page 9 of the Bach Mouthpiece Manual, which you can get here:

www.bachbrass.com/mouthpiece/Images/bachmouth.pdf

BTW: the Megatone 18 throat spec is 9 mm; .354 in.

Tubaryan12 · Post by **Tubaryan12** » Mon Dec 25, 2006 9:09 pm

Thank you for your reply. It helps a lot.

Tubaryan12 · Post by **Tubaryan12** » Wed Dec 27, 2006 2:33 pm

Bump for new question

Tubaryan12 · Post by **Tubaryan12** » Fri Dec 29, 2006 11:08 am

last bump of the year!