NJ7P SQL Tube Database Query

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A horizontal ribbon.

6LQ6
Beam Power Pentode

EIA Base & Outline

EIA Base: 9QLEIA Bulb: 12-117

Substitute Data

Preferred Substitutes ......................... 6JE6
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Novar type used as horizontal-deflection amplifier in color and bw tv receivers. Requires novar 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-12
EIA Outline ................................... 12-117
EIA Base ...................................... 9QL
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.5 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 22 pf
Output ........................................ 11 pf
Grid to Plate ................................. 0.6 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 990 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 0.47M Ω
Bulb Temperature (At Hottest Point) ........... 250 °C

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 175 V
Grid No. 2 Voltage ............................ 145 V
Grid No. 1 Voltage ............................ -35 V
Amplification Factor .......................... 2.8
Plate Resistance (approx) ..................... 7000 Ω
Transconductance .............................. 7500 µMho
Plate Current ................................. 95 mA
Grid No. 2 Current ............................ 2.4 mA
Grid No. 1 Voltage for Ib ..................... 1000 µa @ -60 V

Hortz Defl Amplifier
Source ........................................ RCA RC-29 - 1975
DC Plate Supply Voltage ....................... 990 V
Peak Positive-Pulse Plate Voltage ............. 7500 V
Peak Negative-Pulse Plate Voltage ............. 1100 V
DC Grid No. 3 Voltage ......................... 75 V
DC Grid No. 2 Voltage ......................... 220 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 330 V
Average Cathode Current ....................... 350 mA
Peak Cathode Current .......................... 1200 mA
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5 W

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 04 Oct 2022 15:48:20 -0700