What does a Sellmansberger CUP EXTENDER RING look like? Bookmark and Share

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What does a Sellmansberger CUP EXTENDER RING look like?

Postby bloke » Mon Apr 23, 2018 8:51 pm

It's a precision-machined insert that extends the cup depth by 1/8th inch.

For the deeper versions of the Solo, Imperial, Symphony, or Orchestra Grand cups, consumers can either choose the 1/8th inch deeper "Profundo" rims, or they can combine a standard depth rim with a cup extender ring.

There's not much difference in cost. Arguably, the "solid metal" deeper "Profundo" rim is more aesthetically pleasing, but the cup extender ring offers more flexibility in sonority.

This is what the cup extender ring looks like when inserted between the cup and rim:

Image

btw:
We NEVER "torque" the components tightly together when we ship them. That's up to the consumer. I CAN post some pictures to show how to release tightly-torqued (or long-time-screwed-together) components. Is there any interest in this?
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Re: What does a Sellmansberger CUP EXTENDER RING look like?

Postby PlayTheTuba » Mon Apr 23, 2018 11:43 pm

I am interested in pictures showing how to release tightly-torqued or long-time-screwed-together components. As long as it is not bothersome for you.
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Re: What does a Sellmansberger CUP EXTENDER RING look like?

Postby bloke » Tue Apr 24, 2018 11:30 am

I'll get it done.
Thanks for the request.
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Re: What does a Sellmansberger CUP EXTENDER RING look like?

Postby iiipopes » Mon May 07, 2018 9:38 am

For me, the extenders work like a carburetor spacer on an intake manifold: too thick, and you get great tone but lose response. Too thin, and the tone is not improved noticeably. I bought one and shaved it with sandpaper to get a balance that suits me very well on my 2-piece Imperial and Lexan Modified Helleberg 32.6 rim.
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Re: What does a Sellmansberger CUP EXTENDER RING look like?

Postby Steve Marcus » Wed May 09, 2018 9:22 am

The extender has been useful in defining the sound concept. If I want to blend more with the trombones, somewhat like the role of a cimbasso, I’ll remove the extender. If conductor, principal trombone, and player are happy with tuba as a more distinctive, defined sound, the extender goes back in.
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