

Preferred Substitutes ......................... 6J10
Duodecar type used as combined limiter, discriminator and audio power-output tube in FM radio and tv receivers. Requires duodecar 12-contact socket.
Bulb .......................................... T-9
Outline ....................................... 9-58
EIA Base ...................................... 12BT
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.95 A
Gated-Beam
Input ......................................... 4.4 pf
Pentode
Input ......................................... 11 pf
Output ........................................ 7.5 pf
Grid to Plate ................................. 0.22 pf
Gated-Beam
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Pentode
Plate Voltage ................................. 275 V
Grid No. 2 Voltage ............................ 275 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 2 W
Pentode Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -8 V
Peak Grid No. 1 Voltage........................ 8 V
Plate Resistance (approx) ..................... 100K Ω
Transconductance .............................. 6500 µ
Plate Current (Zero Signal) ................... 35 mA
Plate Current (Maximum Signal) ................ 39 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 13 mA
Searched 20770 records on 3667 tube types
(c) 1995-2009 by NJ7P
Fri, 30 Jul 2010 08:35:34 -0500