Custom Adams A9 Trumpet: Build your Own

$3,650.00 $3,215.00 (You save $435.00)
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Weight 12.00 LBS
Height 12.00 (in)
Width 24.00 (in)
Depth 12.00 (in)
Shipping $35.00

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Many of our clients have been asking to take the classic design concept of the Martin trumpets of the mid-20th century and fix some of the issues on these horns (i.e. not optimal intonation, slotting, and narrow sound color options). The result after much prototype work came one this model. We do offer this in two bore options, a .453 (11.51) medium bore and a .468 (11.89) Large bore. 
(Adams Selected Model: .50 Yellow Brass Bell, Copper lacquered)

Pitch Bb
Bore L .468" (11.9 mm)/M .453" (11.5 mm)
Bell 1 piece
Bell diameter L 5"(127 mm)/M 4.725" (120 mm)
Leadpipe 9.2/9.1
Receiver Fixed Receiver
Valves 3 x top center stainless steel
Bell Thickness 0.50 MM - 0.55 MM

Other finishes available on request, contact us for details. For brushed/satin finishes please add a note to your order.


Want to hear the M bore in a comparison to the L bore?



Check out a scrolling 360-degree view of the A9 trumpet (click and drag):


Want to know what we have in stock in terms of Adams in the shop? Click the link to find out. Check out often (we sold a bunch of horns yesterday and have a big order coming in a few weeks as well)

Email us at or call us at 781-944-6247 today to order your instrument!


 Large bore in satin!



Medium bore in satin!


Here's a recent review (4.18.17) from a happy A9 customer Larry P:

"Having played a number of older Martin Committees, which can be inconsistent in quality and playability, I decided to go for the Adams A9.  Knowing the consistent quality of Adams, I took the leap of faith—and I am so glad I did.  This is not only a beautiful instrument, it is a joy to play.  The large bore (.468) gives it an easy blow but not over exerting.  What I really love is the tone quality.  It is rich from the bottom to the top.  I feel that this instrument can be used for a wide variety of styles, not just jazz.  Adams, you pulled it off!!"



If you have additional questions send us an email

Prior to ordering please check our return policy below:


Also note weight indicated in the ad is shipping weight not actual weight of instrument.