

Preferred Substitutes ......................... 6BK11
Bulb .......................................... T-9
Outline ....................................... 9-56
EIA Base ...................................... 12BQ
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A
Triode 1
Input ......................................... 1.8 pf
Output ........................................ 0.24 pf
Grid to Plate ................................. 1.4 pf
Triode 2
Input ......................................... 1.8 pf
Output ........................................ 0.34 pf
Grid to Plate ................................. 1.4 pf
Triode 3
Input ......................................... 1.8 pf
Output ........................................ 0.48 pf
Grid to Plate ................................. 1.4 pf
Triode 1
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.0 W
Triode 2
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.0 W
Triode 3
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.0 W
Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -2 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 62.5K Ω
Transconductance .............................. 1600 µ
Plate Current ................................. 1.2 mA
Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 80K Ω
Transconductance .............................. 1250 µ
Plate Current ................................. 0.5 mA
Searched 20770 records on 3667 tube types
(c) 1995-2009 by NJ7P
Fri, 30 Jul 2010 08:32:11 -0500