NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

32L7
Beam Power Amplifier Rect

EIA Base & Outline

EIA Base: 8Z
Source ........................................ RCA RC-15 - 1947

Application

Glass octal type used as combined half-wave rectifier and output amplifier in ac/dc receivers. Requires octal socket.

Mechanical Data

EIA Base ...................................... 8Z

Electrical Data

Heater Voltage ................................ 32.5 V
Heater Current ................................ 0.3 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -7 V
Plate Resistance (approx) ..................... 17K Ω
Transconductance .............................. 4800 µMho
Plate Current ................................. 27 mA
Grid No. 2 Current ............................ 2 mA
Load Resistance ............................... 2.6K Ω
Power Output (approx) ......................... 1.0 W

A horizontal ribbon.

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A horizontal ribbon.

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Mon, 27 Jun 2022 08:53:28 -0700