Kanstul Trumpet Backbores

Model
Series / Instrument Type
Millimeter Decimal Fraction Throat Size Cup Depth Part # Price
B10       #27 - .144"   40803 $65.00
B Series / Trumpet backbore Standard used with "C" cup tops
 
B117       #27 - .144"   40810 $65.00
B Series / Trumpet backbore Piccolo used with "E" cup tops, favors the upper register
 
B24       #27 - .144"   40804 $65.00
B Series / Trumpet backbore Bigger, darker, symphonic, used with "A" cup tops
 
B25       #27 - .144"   40805 $65.00
B Series / Trumpet backbore Recommended for "V" cups
 
B3       #27 - .144"   40801 $65.00
B Series / Trumpet backbore Dark Sound
 
B41       #27 - .144"   40806 $65.00
B Series / Trumpet backbore Bright - with resistance
 
B57       #27 - .144"   40807 $65.00
B Series / Trumpet backbore Bright and lively
 
B7       #27 - .144"   40802 $65.00
B Series / Trumpet backbore Dark Schmidt style used with "B" cup tops
 
B76       #27 - .144"   40808 $65.00
B Series / Trumpet backbore Bright and edgy sound - Commercial used with "D" and "F" cup tops
 
B87       #27 - .144"   40809 $65.00
B Series / Trumpet backbore Big - very free blowing
 
GIR1       #27 - .144"   40966 $65.00
GIR Series / Trumpet backbore Tightest of "GIR" Series
 
GIR117       #27 - .144"   40971 $65.00
GIR Series / Trumpet backbore Piccolo
 
GIR2       #27 - .144"   40967 $65.00
GIR Series / Trumpet backbore Smaller than GIR3
 
GIR3       #27 - .144"   40968 $65.00
GIR Series / Trumpet backbore Standard
 
GIR4       #27 - .144"   40969 $65.00
GIR Series / Trumpet backbore Darker and more free blowing than GIR3
 
GIR5       #27 - .144"   40970 $65.00
GIR Series / Trumpet backbore Largest of "GIR" Series
 
P       #27 - .144"   40919 $65.00
P Series / Trumpet backbore Very tight
 
PUR       #27 - .144"   40845 $65.00
PUR Series / Trumpet backbore Replica of old Purveyance tight playing backbore
 
R2       #27 - .144"   40930 $65.00
R Series / Trumpet backbore Similar to B10
 
R69       #27 - .144"   40931 $65.00
R Series / Trumpet backbore Bright focused sound
 
R692       #27 - .144"   40932 $65.00
R Series / Trumpet backbore Combination of R69 and 69 more open than 69, great lead backbore
 
RZR       #27 - .144"   40932 $65.00
R Series / Trumpet backbore Very tight
 
S72       #27 - .144"   40961 $65.00
S Series / Trumpet backbore Free blowing, good for upper register
 
SA       #27 - .144"   40926 $65.00
S Series / Trumpet backbore Tight and bright
 
SB       #27 - .144"   40927 $65.00
S Series / Trumpet backbore Straight slightly more open
 
SC       #27 - .144"   40928 $65.00
S Series / Trumpet backbore Standard
 
SD       #27 - .144"   40929 $65.00
S Series / Trumpet backbore Darker and more free blowing than SC
 
SE       #27 - .144"   40842 $65.00
S Series / Trumpet backbore Large

 

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