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Modular Trumpet Backbore
Model
Series / Instrument Type
MillimeterDecimalFractionThroat SizeCup DepthPart #Price
B10 - FREE SHIPPING#27 - .144"40803$70.00
B Series / Trumpet backboreStandard used with "C" cup tops
B117 - FREE SHIPPING#27 - .144"40810$70.00
B Series / Trumpet backborePiccolo used with "E" cup tops, favors the upper register
B24 - FREE SHIPPING#27 - .144"40804$70.00
B Series / Trumpet backboreBigger, darker, symphonic, used with "A" cup tops
B25 - FREE SHIPPING#27 - .144"40805$70.00
B Series / Trumpet backboreRecommended for "V" cups
B3 - FREE SHIPPING#27 - .144"40801$70.00
B Series / Trumpet backboreDark Sound
B41 - FREE SHIPPING#27 - .144"40806$70.00
B Series / Trumpet backboreBright - with resistance
B57 - FREE SHIPPING#27 - .144"40807$70.00
B Series / Trumpet backboreBright and lively
B7 - FREE SHIPPING#27 - .144"40802$70.00
B Series / Trumpet backboreDark Schmidt style used with "B" cup tops
B76 - FREE SHIPPING#27 - .144"40808$70.00
B Series / Trumpet backboreBright and edgy sound - Commercial used with "D" and "F" cup tops
B87 - FREE SHIPPING#27 - .144"40809$70.00
B Series / Trumpet backboreBig - very free blowing
GIR1 - FREE SHIPPING#27 - .144"40966$70.00
GIR Series / Trumpet backboreTightest of "GIR" Series
GIR117 - FREE SHIPPING#27 - .144"40971$70.00
GIR Series / Trumpet backborePiccolo
GIR2 - FREE SHIPPING#27 - .144"40967$70.00
GIR Series / Trumpet backboreSmaller than GIR3
GIR3 - FREE SHIPPING#27 - .144"40968$70.00
GIR Series / Trumpet backboreStandard
GIR4 - FREE SHIPPING#27 - .144"40969$70.00
GIR Series / Trumpet backboreDarker and more free blowing than GIR3
GIR5 - FREE SHIPPING#27 - .144"40970$70.00
GIR Series / Trumpet backboreLargest of "GIR" Series
P - FREE SHIPPING#27 - .144"40919$70.00
P Series / Trumpet backboreVery tight
PUR - FREE SHIPPING#27 - .144"40845$70.00
PUR Series / Trumpet backboreReplica of old Purveyance tight playing backbore
R2 - FREE SHIPPING#27 - .144"40930$70.00
R Series / Trumpet backboreSimilar to B10
R69 - FREE SHIPPING#27 - .144"40931$70.00
R Series / Trumpet backboreBright focused sound
R692 - FREE SHIPPING#27 - .144"40932$70.00
R Series / Trumpet backboreCombination of R69 and 69 more open than 69, great lead backbore
RZR - FREE SHIPPING#27 - .144"40933$70.00
R Series / Trumpet backboreVery tight
S72 - FREE SHIPPING#27 - .144"40961$70.00
S Series / Trumpet backboreFree blowing, good for upper register
SA - FREE SHIPPING#27 - .144"40926$70.00
S Series / Trumpet backboreTight and bright
SB - FREE SHIPPING#27 - .144"40927$70.00
S Series / Trumpet backboreStraight slightly more open
SC - FREE SHIPPING#27 - .144"40928$70.00
S Series / Trumpet backboreStandard
SD - FREE SHIPPING#27 - .144"40929$70.00
S Series / Trumpet backboreDarker and more free blowing than SC
SE - FREE SHIPPING#27 - .144"40842$70.00
S Series / Trumpet backboreLarge

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