selected preamp tube (RT980)
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 preamp tube 7025WA high grade (RT095-HG)
selected preamp tube ECC83WA (RT095)
selected preamp tube ECC83WB (RT093)
selected preamp tube 7025WB high grade (RT093-HG)
selected preamp tube (RT001)
selected preamp tube 7025/E83CC Redbase (RT-7025)
selected preamp tube 7025 / E83CC (RT030)
selected preamp tube PSVANE ECC83 (PS-ECC83)
selected preamp tube (RT003)
selected preamp tube (RT006)
selected preamp tube 12AY7 / 6072a (RT007)
selected preamp tube (RT009)
selected preamp tube (RT090)
selected preamp tube 12AT7 / ECC81 (RT002)
selected preamp tube ECC81/12AT7-Cz balanced (RT052)
selected preamp tube 12AT7WC NOS-selection balanced (RT004)
selected preamp tube 12AU7 / ECC82 (RT005)
selected preamp tube 12AU7WA / E82CC (RT065)
selected preamp tube (RT046)
selected preamp tube 12DW7 / 7247 (RT044)
selected preamp tube EF86 / 6267 (RT-EF86)
selected preamp tube 6922 / E88CC (RT-6922)
selected rectifier tube (RT503)
selected rectifier tube (RT502)
selected rectifier tube (RT504)
selected rectifier tube (RT506)
solid state rectifier (RT515)
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)
selected power tubes, sextet (RT886)
selected rectifier tube (RT501)
selected rectifier tube (RT521)
selected rectifier tube (RT503)