Author: Curinfinwe
Date: 2018-03-22 04:38
Hi, I just got a brand new R13 via a well known retailer and repair shop. It was shipped, so I'm sure something was thrown out of wack in the mail. I didn't select it, as it's destined to be my military parade horn and I'm not too fussy about that, and it seems good other than one thing.
Clarion E, F, F# and G (to a lesser extent) have a slight tightness and undertone on them. It's not a buzzing or hissing, just less clarity of sound and a definite undertone. Doesn't manifest at pianissimo, and gets worse at louder dynamics. The lower register is fine. I swapped upper and lower joints with another instrument and it's definitely only the lower joint that's causing it. I tried reseating the pad above the rings on the joint, but that made no difference and it seems to be sealing well. I do have some repair experience, and I absolutely can't think of anything else. Everything is sealing well, I can't see any obvious burrs in the tone holes or the bore...
I'd like to sort it out myself if I can, as it is brand new and I'll have a hard time getting it sent out for repair before I've even used it... I will if I have to though.
Throw any ideas my way please! It's driving me crazy.
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