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I'm getting pickier in my old age - it's finally started to bother me that "American Standard" mouthpiece
shanks *all* seem to just barely bottom out, and have just the faintest hint of a "wiggle" in my
King 2341 (new, new style).

I can't really say that it matters, but...what's the fix?

I use a Euro shank Blokepiece in mine and it fits like it was made for it.

Maybe your "American Standard" needs a new wax ring...

I had one of the early ones and had to have my favorite mouthpiece reshanked. Its receiver was in between American and Euro in size.

I use a euro G&W in mine. Fits great.

bloke wrote:Although the bore of that King mouthpipe begins notably small, the receiver (on the "new" version) is some compromise between "standard" and "euro". I would say that it leans towards "euro" more than "standard". Yamaha makes a nice "standard" receiver that is low cost and available through them or Allied Supply (Tom Getzen).

Otherwise, someone can unsolder the receiver and scoot it out slightly - offering more room for "standard" mouthpieces to be inserted.

Sounds like a plan - I have too large a collection of mouthpieces to consider re-shanking them all
to "euro".

The wiggle is small enough that "scooting" seems like the right plan. If that doesn't work, a new receiver is Plan B. Now begins the dance of the calendars, to find the right time...

Don'tcha wish the mouthpiece and receiver makers would just get it right for a change!?

My Schilke 50 bottomed out it the receiver on my Weril Euph. (none of maybe 6-8 others do that, so not the receiver.) I sliced 1/8 inch off the end of the schilke and it fits fine. Made no functional difference that I can see. It's my go-to mp when my old chops start to tire...

I just got one of the new Kings too. I like the horn a lot, but occassionally had some wonky sounding (significantly flat especially down low range) notes and was wondering about air leaks since I'm tending towards the flat side with all the slides pushed in on this new horn but have not found any. Thought it was perhaps me and needed to keep working more on my chops since only been back playing for only a few months and also just needed to adjust to the new horn. After Sloan's origional post on this thread, I took a look another look at my horn. When looking in the receiver with a flashlight the end of the lead pipe is clearly visable, but I have not been able to detect any wiggle, and nothing seems to catch when inserting the mouthpiece. I'm playing with a Blokepiece Symphony and the shank on that appears to be the same as the King 18 that came with the horn. I can't detect any difference in how either of those or a couple of older mouthpieces seat in the receiver. I wonder how consistent a problem this is with the new designed Kings. Is the wiggle in Sloan's horn an isolated problem, or one that is fairly common with this new design? And with that wiggle, Sloan, does that effect playing other than the aggrevation of the mouthpiece moving or is it impacting how the horn tunes? And if the mouthpiece doesn't wiggle on my horn does that mean I have a good seal there? I had a air leak on another horn I tended to play flat until after that a loosely fitting slide was fixed. Also, I don't like that so much of the mouthpiece shank is in the receiver on the 2341. Does anyone know if having the receiver changed out to the Yamaha receiver as Bloke described in an earlier reply voids the warrenty?

Sloan' I'd be interested in hearing how moving the receiver a bit works. Thanks for making the origional post and for any follow up information.

To answer recent questions: I've had no problem with leaks or wobbles - it's just that (as I said in the original post) I'm getting older and pickier. If I pay a LOT of attention when inserting the mouthpiece, I can
just barely tell that the shank is bottoming out, and there is a very tiny amount of wiggle-room.

I do NOT notice it while playing.

I have ZERO problems with sound or leakage.

Just a decreasing tolerance for imprecision.

sloan wrote:.....I can just barely tell that the shank is bottoming out.....

You probably know this but maybe not all of our readers know:

A mouthpiece does not 'bottom out' against anything. But... rather seats firmly into the taper of the receiver. In the case of many European tubas... the mouthpipe IS the receiver.

I'll never understand the foolishly weird "new" King receivers (same part as for the 5Xj series Conns). I barely had my 52j a day before I yanked it off and put on an older King receiver. Tah Dah! Perfect, and it slotted better as well, especially up high (for me).

Put a receiver on that fits the horn - it's basically the same horn from 80 years ago when they did the research; I'm sure they did zero research on the replacement. I think the old style is still available from Allied.

J.c.S.