866 A ULTRON

http://en.wikipedia.org/wiki/866A

866 A Mercury Vapor Diode with a peak inverse voltage of 5Kv and peak anode current of 1 ampere. Average anode current, 250mA, forward drop, 15 volts. Heater voltage and current, 2.5 at 5A. American 4-Pin(UX) base.



"so amazing ...."

6080 GENERAL ELECTRIC

6080 = 6AS7
Power Triode, Low-mu,
Low Impedance

6AS7 (very low impedance double triode, designed for series voltage regulator applications, now popular for output transformerless tube audio amplifiers)


6H5

POWER TWIN TRIODE
Vf=6,3V
If=2,5A








MAZDA PEN-45

POWER PENTODE

http://www.radiomuseum.org/tubes/tube_pen45.html
http://lagarto-ex-infoseek.jp/images/pen45dd.png



7F8

TWIN TRIODE
Vf=6,3V
If=0,3A







Penerapan pada PREAMP :

prototype