Conn Trombone Serial Numbers

• King Trombone Serial Numbers
• Vintage Conn Trombone Serial Numbers
• Conn Bass Trombone Serial Numbers

Vintage Instruments can usually be dated by serial number. Trombones will have the serial number either on the back of the hand slide or on the neck receiver where it attaches to the handslide. Sometimes the serial number will be on both the handslide and the neck receiver. Vintage King Trombones, H.N. White Era will often have the serial number on the tuning slide, but not always. Here is what we have seen at our shop by brand/maker:Conn (before 1970) Handslide Tennon below threads, outer handslide (lower outer tube at the top in back), No serial on Bell section, but model number is on bell.

King Trombone Serial Numbers

Vintage Conn Trombone Serial Numbers

You can find more helpful information on the Conn Loyalist WebsiteKing (Pre UMI Era) Outer handslide two places, below cross brace and lower cork barrel. Neck Receiver, Earlier models also tuning slide.

Conn Bass Trombone Serial Numbers

Here is a website dedicated to King tromobones from the H.N. White eraHolton is usually on neck reciever.

Holton Loyalist website:Vincent Bach is on back of handslide cork barrel, earlier models also had on back of outer handslide, bell sections not serialized. Bach LoyalistThis are the most commonly seen vintage brands, obviously not a complete list. We do keep an archive of sold instruments on our website here and try to photograph the serial numbers.