Yamaha YTR-632 Trumpet History

This article will be progressively fleshed out as time permits.

1967 - YTR-B2M (then name change)

1968 - YTR-632 (actually Dec 67’)

M Bore – 11.30m (0.445”)

Step Bore – M to ML through tuning slide

2 piece red brass bell

Bell – 127mm or 5”

A Bell = Large throat

1968-1977

YTR-B2M (1967)

Two piece valve casing, top being Nickel Silver (German Silver)

3^rd slide stop rod

3^rd slide dump slide

4 digit serial number

YTR-632 (1968-1970???)

Series 1

Two piece valve casing, top being Nickel Silver (German Silver)

3^rd slide stop rod

3^rd slide dump slide

Model / Serial under leadpipe on 2^nd valve, hand stamped style

5 digit serial number

Yamaha Oval on reverse 2^nd valve

YTR-632 ( 1970???- April 1971???)

Series 2

Two piece valve casing, top being Nickel Silver (German Silver)

Fixed 3^rd slide end

3^rd slide stop pin

Model / Serial under leadpipe on 2^nd valve, hand stamped style

5 digit serial number

Yamaha Oval on reverse 2^nd valve

YTR-632 (April 1971???-1977)

Series 3

1 piece valve casing, all brass

3 line model stamp 1: YAMAHA, 2: YTR-632, 3: 6 digit serial

Yamaha Purple print on mouthpiece receiver