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Preferred Substitutes ......................... 1A4 34
Substitutes ................................... 1B4
Source ........................................ RCA R-10 - 1932
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Preferred Substitutes ......................... 1A4 34
Substitutes ................................... 1B4
Source ........................................ RCA RC-13 - 1937
Source ........................................ RCA R-10 - 1932
The '32 is a screen grid tube recommended primarily for use as a radio-frequency amplifier. It contains a coated filament which takes as little power as possible consistent with satisfactory operating performance. This feature makes the '32 particularly suitable in battery-operated radio receivers employing the '34, '31, and/or '33 where economy of filament current drain is important.
Source ........................................ RCA R-10 - 1932
Bulb .......................................... S-14
Base Type ..................................... Medium 4-Pin
EIA Outline ................................... 14-01
EIA Base ...................................... 4K
Top Cap ....................................... Small Metal
Mounting Position ............................. Vertical
Source ........................................ RCA RC-13 - 1937
Bulb .......................................... ST-14
EIA Outline ................................... 14-2
Source ........................................ RCA R-10 - 1932
Filament Voltage .............................. 2.0 DC V
Filament Current .............................. 0.06 A
Tetrode
Source ........................................ RCA R-10 - 1932
Input ......................................... 6.0 pf
Output ........................................ 11.7 pf
Grid to Plate ................................. 0.015 pf
Tetrode
Source ........................................ RCA RC-13 - 1937
Input ......................................... 5.3 pf
Output ........................................ 10.5 pf
Grid to Plate ................................. 0.015 pf
Tetrode
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 67.5 V
Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 780
Plate Resistance (approx) ..................... 1.2M Ω
Transconductance .............................. 650 µ
Plate Current ................................. 1.7 mA
Grid No. 2 Current ............................ 0.4 mA
Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 135 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 610
Plate Resistance (approx) ..................... 950K Ω
Transconductance .............................. 640 µ
Plate Current ................................. 1.7 mA
Grid No. 2 Current ............................ 0.4 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
Fri, 03 Feb 2023 00:16:30 -0700