TAD   selected power tubes, pair (RT882)

TAD   selected power tubes, quartet (RT884)

TAD   selected power tubes, quartet (RT834)

TAD   selected power tubes, quartet (RT824)

TAD   selected power tubes, pair (RT152)

TAD   selected power tubes, quartet (RT154)

TAD   selected power tubes, pair (RT272)

TAD   selected power tubes, quartet (RT274)

TAD   selected power tubes, pair (RT872)

TAD   selected power tubes, quartett (RT874)

TAD   selected power tubes, pair (RT222)

TAD   selected power tubes, quartet (RT224)

TAD   selected power tubes, pair (RT832)

TAD   selected power tubes, pair (RT812)

TAD   selected power tubes, quartet (RT814)

TAD   selected power tubes, pair (RT122)

TAD   selected power tubes, quartet (RT124)

TAD   selected power tubes, pair (RT432)

TAD   selected power tubes, quartet (RT434)

TAD   selected power tubes, pair (RT822)

TAD   selected power tubes, pair (RT102)

TAD   selected power tubes, quartet (RT104)

TAD   selected power tubes, pair (RT232)

TAD   selected power tubes, pair (RT312)

TAD   selected power tubes, quartet (RT314)

TAD   selected power tubes, pair (RT372)

TAD   selected power tubes, quartet (RT374)