Posted by Gary Swart on July 18, 1999 at 00:42:16:
In Reply to: Marcinkiewicz mp models posted by TubaJohn on July 17, 1999 at 17:34:09:
Yes. TJ 4 is N4. Not sure why this one model has a name, but I have one and it's a good mouthpiece although I prefer the W4.