TAD selected preamp tube (RT980)
TAD selected power tubes, pair (RT832)
TAD selected power tubes, quartet (RT834)
TAD selected power tubes, pair (RT242)
TAD selected preamp tube ECC83WA (RT095)
TAD selected preamp tube (RT001)
TAD selected preamp tube 7025 / E83CC (RT030)
TAD selected preamp tube (RT003)
TAD selected preamp tube (RT006)
TAD selected preamp tube 12AY7 / 6072a (RT007)
TAD selected preamp tube (RT009)
TAD selected preamp tube (RT090)
TAD selected preamp tube 12AT7 / ECC81 (RT002)
TAD selected preamp tube 12AU7 / ECC82 (RT005)
TAD selected preamp tube 12AU7WA / E82CC (RT065)
TAD selected preamp tube 12DW7 / 7247 (RT044)
TAD selected preamp tube EF86 / 6267 (RT-EF86)
TAD selected preamp tube 6922 / E88CC (RT-6922)
TAD selected rectifier tube (RT503)
TAD selected rectifier tube (RT504)
TAD selected rectifier tube (RT506)
TAD solid state rectifier (RT515)
TAD selected power tubes, pair (RT812)
TAD selected power tubes, quartet (RT814)
TAD selected power tubes, pair (RT822)
TAD selected power tubes, quartet (RT824)
TAD selected power tubes, pair (RT312)
TAD selected power tubes, quartet (RT314)
TAD selected power tubes, quartet (RT834)
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 (RT372)
TAD selected power tubes, quartet (RT374)
TAD selected power tubes, pair (RT882)
TAD selected power tubes, quartet (RT884)
TAD selected rectifier tube (RT501)
TAD selected rectifier tube (RT521)
TAD selected rectifier tube (RT503)