NJ7P SQL Tube Database Query

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A horizontal ribbon.

12L6GT
Beam Power Amplifierlifer

EIA Base & Outline

EIA Base: 7ACEIA Bulb: 9-11 9-41
Source ........................................ Sylvania - 1959

Application

Source ........................................ Sylvania - 1959
Glass octal type used as audio power amplifiers capable of delivering relatively high power output with low supply voltage. Requires an octal socket and can be mounted in any position.

Mechanical Data

Source ........................................ Sylvania - 1959
Bulb .......................................... T-9
Base Type ..................................... Intermediate Octal 7-Pin
EIA Outline ................................... 9-11
EIA Base ...................................... 7S
Mounting Position ............................. Any

Electrical Data

Source ........................................ Sylvania - 1959
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.6 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ Sylvania - 1959
Plate Voltage ................................. 110 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -7.5 V
Peak Grid No. 1 Voltage........................ 7.5 V
Plate Resistance (approx) ..................... 13K Ω
Transconductance .............................. 8000 µMho
Plate Current (Zero Signal) ................... 49 mA
Plate Current (Maximum Signal) ................ 50 mA
Grid No. 2 Current (Zero Signal) .............. 4.0 mA
Grid No. 2 Current (Maximum Signal) ........... 10.0 mA
Load Resistance ............................... 2K Ω
Power Output (approx) ......................... 2.1 W

Class A Amplifier
Source ........................................ Sylvania - 1959
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ 180 Ohm V
Peak Grid No. 1 Voltage........................ 8.5 V
Plate Resistance (approx) ..................... 20K Ω
Transconductance .............................. 8000 µMho
Plate Current (Zero Signal) ................... 46 mA
Plate Current (Maximum Signal) ................ 47 mA
Grid No. 2 Current (Zero Signal) .............. 2.2 mA
Grid No. 2 Current (Maximum Signal) ........... 8.5 mA
Load Resistance ............................... 4K Ω
Power Output (approx) ......................... 3.8 W

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Mon, 29 Nov 2021 05:39:43 -0700