selected power tubes, old Style 6L6WGC-STR, pair (RT812-OS)
selected power tubes, pair (RT832)
selected power tubes, quartet (RT834)
selected power tubes, pair (RT232)
selected power tubes, pair (RT872)
selected power tubes, quartett (RT874)
selected power tubes, pair (RT242)
selected power tubes, pair (RT102)
selected power tubes, quartet (RT104)
selected power tubes, sextet (RT106)
selected power tubes, pair (RT812)
selected power tubes, quartet (RT814)
selected power tubes, pair (RT822)
selected power tubes, quartet (RT824)
selected power tubes, pair (RT312)
selected power tubes, quartet (RT314)
selected power tubes, pair (RT222)
selected power tubes, quartet (RT224)
selected power tubes, pair (RT432)
selected power tubes, quartet (RT434)
selected power tubes, quartet (RT834)
selected power tubes, pair (RT152)
selected power tubes, quartet (RT154)
selected power tubes, pair (RT122)
selected power tubes, quartet (RT124)
selected power tubes, pair (RT272)
selected power tubes, quartet (RT274)
selected power tubes, pair (RT372)
selected power tubes, quartet (RT374)
selected power tubes, pair (RT882)
selected power tubes, quartet (RT884)