NJ7P SQL Tube Database Query

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26A7GT
Twin Beam Power Amplifier

EIA Base & Outline

Mechanical Data

EIA Base ...................................... 8BU

Electrical Data

Heater Voltage ................................ 26.5 V
Heater Current ................................ 0.6 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 26.5 V
Grid No. 2 Voltage ............................ 26.5 V
Grid No. 1 Voltage ............................ -4.5 V
Plate Resistance (approx) ..................... 2500 Ω
Transconductance .............................. 5500 µ
Plate Current (Zero Signal) ................... 20 mA
Plate Current (Maximum Signal) ................ 20.5 mA
Grid No. 2 Current (Zero Signal) .............. 2 mA
Grid No. 2 Current (Maximum Signal) ........... 5.5 mA
Load Resistance ............................... 1.5K Ω
Power Output (approx) ......................... 0.2 W

Push Pull Class B Amplifier
Plate Voltage ................................. 26.5 V
Grid No. 2 Voltage ............................ 26.5 V
Grid No. 1 Voltage ............................ -7.0 V
Plate Current (Zero Signal) ................... 19 mA
Plate Current (Maximum Signal) ................ 30 mA
Grid No. 2 Current (Zero Signal) .............. 2 mA
Grid No. 2 Current (Maximum Signal) ........... 8.5 mA
Load Resistance ............................... 2.5K Ω
Power Output (approx) ......................... 0.5 W

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

Thu, 30 Jun 2022 06:39:45 -0700