Home  Resources  References  Tubes  Forums  Links  Support  Sale 

Tube Substitutions for:
1LA6
Pentagrid Converter
TypeSubstitutesBase Diagram
1LA61LC6, 1LC6
Web References1LA6 (RCA (HB3)) @ Franks Electron Tubes
1LA6 (Tung-Sol) @ Franks Electron Tubes
1LA6 @ RadioMuseum.org
Sylvania Type 1LA6
HEPTODE CONVERTER



MECHANICAL DATA

Bulb T-9
Outline 9-30
Base1 Lock-in 8-Pin
Basing 7AK
Mounting Position Any


ELECTRICAL DATA


FILAMENT CHARACTERISTICS
Filament Voltage D C 1.4 Volts
Filament Current 50 Ma
Filament Voltage D C (Abs Max) 1.6 Volts

TYPICAL OPERATION
Plate Voltage 90 Volts
Grid No. 2 Voltage (Anode Grid) 90 Volts
Grid No. 3 and 5 Voltage1 45 Volts
Grid No. 4 Voltage (Control Grid) 0 Volts
Plate Current 0.55 Ma
Grid No. 3 and 5 Current 0.6 Ma
Grid No. 2 Current 1.2 Ma
Grid No. 1 Current 0.035 Ma
Conversion Transconductance 250 �mhos
Plate Resistance 0.75 Megohm
Control Grid Bias for Gc=10�mhos -3 Volts
Oscillator Grid (G1) Resistor 0.2 Megohm
Maximum Allowable Grid 4 Resistance to Negative Filament 1.0 Megohm

NOTES:

1 Obtained preferably by using a properly by-passed dropping resistor of from 45,000 to 75,000 Ohms in series with the B supply.


© 1996-2021 Nostalgia Air