About The Brass Exchange

We are your trusted resource for buying, selling and trading brass instruments. The Brass Exchange is here to help all brass muscians. Our customers come from different backgrounds. We are located in St. Louis, Missouri and serve customers worldwide.  We are easy to do business with.  If you are purchasing from our on-line catalog, your personal information is safe and secure with us.  You do not have to come to our shop in person to buy, sell, trade, or exchange instruments. We accept all payment types though our SSL protected shopping cart.  Please contact us with any questions you may have.  

We are happy to work with musicians of all types.

  • Artists
  • Professionals
  • Students
  • Collectors
  • Teachers
  • Parents

About Doug Bert, Proprietor

A native of St. Louis, MO, Doug has played the trombone for over 40years. Doug began playing at the age of 10. He studied privately with Robert Settle, Bernie Schneider, Lewis Van Haney, and David Baker.  During high school he plyaed in orchestra  at CASA-Conservatory and School For the Arts, and was a member of the SLYO, St. Louis Symphony Youth Orchestra. While attending the Jamey Aebersold Summer Jazz Camps as a teenage, he was influenced by David Baker and later went on to study jazz at Indiana University. His early professional career began with the Al Cobine Orchestra, touring 5 seasons with the Andy Williams Show.  In addition to operating The Brass Exchange, Doug currently teaches private lessons, plays professionally, and is an active member of the low brass community in the St. Louis area.


“My goal is to be a trusted resource for all buyers and sellers of brass instruments, a safe haven, where customers are treated kindly and fairly.”



  • Thank you for vetting these two horns and sending me exactly what I was looking for plus what I needed most but didn't know it.My point is..this is the value that Doug Bert adds to his customers and you can't possibly put a value on that. Steve Kohlbacher

  • Hi Doug! The Conn 6H is everything I hoped it would be. The horn is GREAT! Best of all, everything arrived safely. Thank you for packing it excellently. Count me as one of your very happy customers. I will certainly be ordering from you again! Connor

  • I just wanted to thank you so much for the King 2B!! It really is a beautiful horn in superb condition...it really looks new. Thank you so much for spending the time to talk to me and make me feel comfortable with everything. David Saxon NSW, Australia

  • ..Got to put the horns through their paces the last few days, they are great. The Eastman plays well, and the Conn is just what I was looking for. Thanks for the cases, too, and the copy of your CD.... Thanks, Mike Lawson, Dallas

  • Can't say enough.. Brass Exchange is THE place to go.. Just picked up an incredible Shires setup from Doug. He's a VERY good trombone player that plays every horn that comes in.. play test any setup that you ask for... Eddie Clark, Memphis, TN

  • Hi Doug i received the bag yesterday (Cronkhite Red Leather)- better then imagined. i am really happy with it. looking forward to taking it to my first gig. thank you for that, and your record too. i really enjoy listening to it.. Beni, Switzerland

  • It goes without saying that I am happy camper. Thank you for your knowledge, and willingness to share it. I know which side my bread is buttered on, and rest assured I will seek your out for further trombone needs, Don Good

  • Doug, The trombone is fantastic. (Bach 42B 1970's) It plays wonderfully and sounds great. haven't been able to put it down since it came! Thanks again for letting me come to your home to play some horns and for sending me this great horn. Shane B. Iowa

  • ..whoever does your slide work is amazing...the previous guy that I went to is no where near the caliber of your shop! Anonymous happy customer

  • Doing business with The Brass-Exchange was quick and easy! The communication was very fast between Doug and I and the descriptions were extremely accurate. I love my new horn and will definitely do more business in the future with The Brass-Exchange!

  • I must admit I had my doubts/worries about shopping online for a trombone but this has been the best instrument purchase in my professional career. Thank again, Clair Socci, Coopersburg, PA

  • Within two weeks of sending my horn to Doug, we had a purchase. I had a totally positive experience with Doug and I highly recommend "The Brass Exchange". Nelson Hinds, Denver Area Freelancer, Arranger, Composer

  • I just unwrapped my new (old) Bach 36G LT from Doug at the Brass Exchange. The instrument is great, a pleasure to play, exactly what I was looking for and the service I received was fantastic... Rob - Western Australia

  • Hi Doug, just wanted to let you know that I got the horn tonight and played it quite a bit. It is not only visually stunning, but such a joy to play. Amazing piece, thanks for everything. Michael G. , New Jersey

  • Hi Doug, I've been playing the Conn 6H for about a month now and can safely say........... Wow!!!! I'm in love, looks so damn pretty and plays even better. The ease of playability and the sound that it produces. Thank you so much. Connor M. Australia

  • The Brass Exchange has one of the best selections of top-notch used trombones in the web. The descriptions and pictures are spot on. Customer service is top-notch. .. rare Bach 36 New York Trombone, Luis A Flores Jr Miami, Florida

  • ..6H and my 88H slide arrived in good shape. The slide seems to be perfect, as one would expect from a brand new item. As you understand, we are both very pleased with our purchases. It is a pleasure doing business with you! Bjørn O. Bergholtz Norway

  • I absolutly LOVE the Lt12G I bought from you. This horn sings ... tone quality is great. The slide is perfect. What did you lube it with? It`s been 2 weeks of heavy playing and I haven`t had to touch it yet!!! Dave , Rochester, NY

  • Thanks again for all of your help and I really enjoyed just talking with you. You made the whole experience enjoyable and made me feel like I`d known you for years. Dave DeWitt

  • Got the horn this morning and it sounds/feels great--squeals out the F's and G's no problemo, got your CD--pretty hip tracks man! Thanks for the copy! ...trombonists in the market for a new/different horn I'll be sure to send them your way. Wesley, SC

  • I received the trombone (Bach 42G) in good order. It is exactly as described. What a great instrument to play! I’m very happy with the purchase. Thank you very much for the good service and for the excellent CD. Nico, United Kingdom

  • I received the 1950's HN White King 2B Liberty on time! The horn is beautiful and just what I wanted. I can't wait to get back to school and play in our jazz bands with it. Thank you for your awesome quartet CD! I'll make sure to recommend your shop- Zach

  • Hello Doug, The check arrived today for my father in law's two trombones. Thank you very much for you service in selling these instruments. It is greatly appreciated. We will be using your shop again in the future for the trombone he is currently still

  • Thanks for the quick deposit into my paypal account- I was able to order my new mic lickety-split! I am still very interested in selling the Olds now, since I am going to keep that Buescher brass true tone, so keep me posted...... Thanks again for all o

  • hi doug..faust here....well im finally getting to own the horn...a nice instrument...so much space in it ...not at all like the 2b .... the 6h is just so freeing....such an easy horn to play doug...lovely. thanks doug for giving me an honestly superior

  • .the slide action is simply out of this world, I salute you with affection and I thank you again for everything you have done for me , Valter, Italy

  • Thanks for suggesting such a great horn. I am really pleased with my choice. Bruce H. Bellingham, WA

  • We looked long and hard for a vintage horn and you understated how great it is, Bach 12, absolutely love it, customer for Life, Jerry K, Joliet, IL.

  • Thank you so much, I love that slide. I am totally 100% satisfied. Mike Rinta, Recording Artist, San Francisco

  • "I'd recommend the Brass Exchange to anybody, anytime." Roland Barber, Award Winning Jazz Recording Artist