Greg Black Trumpet backbores

Handmade in North Carolina. Silver plated. Special orders welcome.

Commercial Backbore Descriptions 

#1 A tight backbore that provides a brilliant sound.
#2 A backbore that provides resistance yet provides a lively sound.
#2*O A more open version of the #2.
#3 Commercial but can be used for a variety of playing  situations. Very even from top to bottom.  
#4* A tighter version of the #4. 
#4 Open enough to give a full, broad sound.
#4*O A more open version of the #4.
#5* A tighter version of the #5. 
#5 Has power with less resistance to provide a bright tone.
#5*O A more open version of the #5. 
#6 A medium sized, full sounding backbore. Excellent for a variety of styles

Classical Backbore Descriptions 

#7 Provides full, warm sound for all around work.
#8 A smaller, yet dark, symphonic sound. "Schmidt" style. 
#8*O A more open version of the #8 backbore. The upper part of the backbore is altered/opened by introducing a partial '87' shape.
#9 A medium sized symphonic backbore that is centered and dark. (a downsized "24" style)
#9*O A more open version of the #9, sized right in between the #9 and #10.
#10 A bigger, darker symphonic sound. Excellent for orchestral work. (a full "24" style)
#11* A slightly tighter version of the #11.
#11 Big and free blowing to help in the upper register. Designed for piccolo use. ( "117" Style)
#12 Very open and free blowing. Sounds extremely dark. ( "87" Style)

Please Note: Standard throat bore on all Modular Backbores is a #27