Frequently Asked Questions #4: Can You Reverse a Bob Reeves Valve Alignment?

So, you’ve finally decided that a Bob Reeves Valve Alignment is what you need to help your playing, but — what if you don’t like it? Can a Bob Reeves Valve Alignment be reversed?

The answer is: yes.

How far out are your valves?

How far out are your valves?

Before we do any valve alignment we take measurements of where the valves are before altering the horn. We give you this information when we finish the work and also keep a copy for our records. If you don’t like the way that your horn plays after a valve alignment, with those records, we can put it back to exactly where it was before we made any alterations.

That being said, we have only ever un-aligned trumpets in extremely exceptional situations. For example, when a trumpet’s valves are very far out, most players choose a mouthpiece that is very large to compensate for the extra resistance caused by the misalignment. And because the player’s setup is dependent on that resistance to work, removing it through the alignment completely changes how their equipment works for them. To get the familiar blow of their trumpet back, it may take a mouthpiece adjustment that would be very drastic, which some players would be averse to doing.

If you would like to learn more about the Bob Reeves valve alignment, click this link to the information page on our website. You can also contact us by phone or email — consultation is, and always will be, free.

If you have any questions you would like to see answered in this series, email them to and it might be featured it in a future blog post!


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