I use Vandoren Reeds Traditional "Blue Box" size 2 1/2 on Soprano, Alto and Tenor.
For sure, the best reeds I've ever tried.

Selmer Mark VI Alto Saxophone #201695
Yamaha Custom Z Alto Saxophone Silver body, Lacquered neck and Gold Plated right hand thumb rest
Mouthpiece: Beechler Metal #7
Ligature: Oligature

Selmer Mark VI Tenor Saxophone #63085
Mouthpiece: Berg Larsen Metal 100/2
Ligature: Brancher

Yamaha YSS 62 Soprano Saxophone
Mouthpiece: Selmer Super Session #H
Ligature: Harrison