Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.
![]() |
EIA Base ...................................... 6BQ
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A
Tetrode
Input ......................................... 11.0 pf
Output ........................................ 7.0 pf
Grid to Plate ................................. 0.8 pf
Tetrode
Plate Voltage ................................. 630 V
Grid No. 2 Voltage ............................ 315 V
Plate Dissipation ............................. 21 W
Grid No. 2 Dissipation ........................ 3.5 W
Class A Amplifier
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -36 V
Amplification Factor .......................... 95
Plate Resistance (approx) ..................... 22K Ω
Transconductance .............................. 4300 µ
Plate Current ................................. 58 mA
Grid No. 2 Current ............................ 4.0 mA
If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.
(c) 1994-2021 by William A. Beech, NJ7P
Sun, 05 Feb 2023 20:50:37 -0700