FOR SALE. I have no idea what to ask for these. Please make an offer if you are interested.
4 JAN 6161 NOSB RCA. This is a transmitting ring-seal glass triode originally designed for FM & TV use. Rated at 250 watts up to 900Mhz, this tube has a mu of 27 and requires 6.3V at 3.4A for its heater. Released by RCA in 1952, this air cooled tube was also used by the military in the AN/ALT-7 jammer. Closely related to the 5588. (Source: Ludwell Sibley's Tube Lore book). 2 RCA 8121 NOSB. This is a Cermet UHF beam tetrode with an "elevenar" base. It is rated at 150 watts up o 500Mhz. Released in 1961 for general RF use, this tube requires 13.5V at 1.3A for its heater. This tube is identical to the 8122 except that the 11-disc radiator is positioned for transverse air flow (rather than axial air flow as in the 8122). Other related types are 8072 and 8646. (Source: Tube Lore) 1 Amperex 8117 NOSB. This is a glass transmitting dual tetrode in the same size envelope as the 5894. It is conduction cooled and has large diameter plate pins for heat removal. This tube was designed for SSB transmitters up to 60 Mhz. Rated at 60 watts, this tube requires 12V at 0.9A on the heater which is center tapped for use with a 6V heater supply. Related tubes are the 8116 (26.5V version) and 8300. (Source; Tube Lore) 3 Eimac 8252/4PR60C. One NOSB and two NOS without box. This is a ruggedized radial-beam tetrode designed for pulse modulator use. It requires 26.0V at about 2A on the heater and a whopping 20KV at 18A on he plate to produce 337,000 watts during the pulse. Released in 1962. Replaces 715C and 5D21. Used in military AN/CPN-6. Radiation and forced-air cooled. Plate dissipation 60W. Requires less than 1KW of pulse driving power. (Sources: Tube Lore and Eimac Catalog #284) 1 YD1381 Thomson Tubes NOSB. No info. I assume this is a microwave oven tube? 1 Bad Eimac 100TH for Display. Has pieces of filament or grid rolling around inside. Free. 1 TH 294 Thomson Tubes NOSB. No info. I assume this is a microwave oven tube? Thanks for looking. 73, Don Merz, N3RHT The information contained in this e-mail may be confidential and is intended solely for the use of the named addressee. Access, copying or re-use of the e-mail or any information contained therein by any other person is not authorized. If you are not the intended recipient please notify us immediately by returning the e-mail to the originator.(A)
