[Amps] Tetrodes+ socket for sale

[Hsu]

Three NOS tetrodes+a brand new socket  for asle.
  FC-10F, FC-732F, FC-735F, similar tube  use same socket, can replace each other.But FC-735F with highter Uamax(3400V) and freqience rating( up to 1GHz)
    These tubes were used in TV transmitter , superb linearity(3rd IMD order less ¨C52db), oxide cathode. These tubes can work from 160m to 70cm ,
Pamax=2500W, Ua=3kV( 735F=3400V),Screen=350-400V, bias=-20 to ¨C45V, ZSAC=400ma.Flament=5.9-6.6A at 10.7V
the socket and FC-735F are   brand new, all tubes are NOS,FC-732F and FC-10F¡¯s anode are   oxidation but I¡¯m sure these tubes never used, I get
these tubes from a spare parts box from a  aquosity basement in a TV station.  The 735F with sealed plastic bag , but FC-10F  and FC-732F without.All tubes
Hi-pot test OK and all elcectrode not shorted in hot codx( feed to filament power supply). 
  Total=$650, free shipping( surface mail) include 3 tubes  and a brand new socket.
       73!Hsu