That horn may have (probably has?) the medium shank European receiver -- like my Amati of the same vintage does. You can get one from Doug that will interchange into the DE cup you have.
I've never bothered putting a large shank receiver on mine, but you certainly could do that as well. Gives you more mouthpiece options.
Last edited by ghmerrill; 07-25-2019 at 02:44 PM.
Gary Merrill
Wessex EEb Bass tuba (DW 3XL or 2XL)
Mack Brass Compensating Euph (DE N106, Euph J, J9 euph)
Amati Oval Euph (DE 104, Euph J, J6 euph)
1924 Buescher 3-valve Eb tuba (with std US receiver), Kelly 25
Schiller American Heritage 7B clone bass trombone (DE LB K/K10/112/14 Lexan, Brass Ark MV50R)
1947 Olds "Standard" trombone (Olds #3)