selected preamp tube (RT980)
selected power tubes, sextet (RT816)
selected power tubes, pair (RT832)
selected power tubes, quartet (RT834)
selected power tubes, sextet (RT156)
selected power tubes, pair (RT242)
selected power tubes, pair (RT892)
selected power tubes, quartet (RT894)
selected power tubes, sextet (RT896)
selected preamp tube (RT080)
selected preamp tube ECC83WA (RT095)
selected preamp tube (RT010)
selected preamp tube (RT001)
selected preamp tube 7025 / E83CC (RT030)
selected preamp tube (RT003)
selected preamp tube (RT033)
selected preamp tube (RT006)
selected preamp tube 12AY7 / 6072a (RT007)
selected preamp tube (RT070), 12AY7/6072a highgrade
selected preamp tube (RT009)
selected preamp tube (RT090)
selected preamp tube 12AT7 / ECC81 (RT002)
selected preamp tube 12AU7 / ECC82 (RT005)
selected preamp tube 12AU7WA / E82CC (RT065)
selected preamp tube 12DW7 / 7247 (RT044)
selected preamp tube EF86 / 6267 (RT-EF86)
selected preamp tube 6922 / E88CC (RT-6922)
selected NOS preamp tube (RT-6SL7)
selected rectifier tube (RT503)
selected rectifier tube (RT513)
selected rectifier tube (RT504)
selected rectifier tube (RT506)
solid state rectifier (RT515)
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, quartet (RT834)
selected power tubes, pair (RT152)
selected power tubes, quartet (RT154)
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)
