O. E. Thayer Company
ORIGINAL MAKERS OF THE AXIAL FLOW VALVE

Where Art Meets Innovation
We are currently working on our new website. Some of the features will come on line soon. We will also be adding many products and tools in the coming days so check back frequently.
Now Offering Installation!
O. E. Thayer is now offering factory installation and refurbishment of our famous Axial Flow Valves. We currently have all parts in stock for the complete installation of a new Generation 4 valve system or the refurbishment of many previous versions including those used on the Bach 42T and 50T trombones.
We cover all type of services.
- Complete Valve Unit Installation
- Rebuild your existing Axial Flow Valve
- Fully Detachable/convertible Bells
- Reversed main tuning slide (Bach Trombones)
- Genuine O. E. Thayer parts and accessories all made in the USA
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New Merchandise
Hand Made Leather Mouthpiece Pouches
Made Cambridge MD by a Master leatherworker and the O E Thayer Company, these pouches will fit small tenor through Bass trombone Mouthpieces. These aren't your cheaply made import pouches! The feel and quality set the apart from all others.
- USA made Form USA materials
- High quality leathers By Horween Newbury, and others
- Buffed and sealed edging
- Engraved, solid brass snaps.
- Limited edition Exotics Will be made and listed
Parts and support
O. E. Thayer maintains all original tooling used to support our previous axial flow models. Parts are in stock and ready to ship.
- Bracework
- Tubing and tuning slide tubes
- Screws and springs
- Bumpers and linkage parts
- Please see scematics for parts lists
- Made in U.S.A.
New Parts Available
We have been developing many new parts to further enhance our Axial Flow valves and to help technicians install and maintain our valves to the highest standards
- Our unique design slide recievers
- New disconnect braces
- Titanium linkage rods
- Enhanced trim rings
- Made from high quality brass, titanium, and German silver
- Made in U.S.A.
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Testimonials
"I am struck by the openness and better matching of sound quality of the B-flat and F sides as well as the improved sound quality of the very lowest pitches."
"At last, I can now concentrate on making music and not worry or get frustrated by the poor response and heavy resistance of the conventional valve."
"The response felt instantaneous and the projection was just perfect. Finally, a horn that actually aids the player in tone production and doesn't mock his maximum effort."
"My instrument produces a much more rich and full sound. Technical passages once avoided on the trigger now work with great ease and beautiful sound."
"For the same effort, I get three times as much sound as my Thayer valved horn... more volume, more core, more definition, consistent tone, etc. etc. ad infinitum."
"I can't get over the thrill of playing with the Thayer valve. It brought me immediately steps closer to my ideal and saved me hundreds of hours practicing tone and range."
"It was the overall improvement of the instrument that made me a true believer in your valves. I feel much closer to the music. The sounds coming out of the bell simply sound more like the image in my head."
"There is not a single physical aspect of trombone playing that your valve does not improve. I feel that you valve design is the most significant change since the invention of the valve itself."