NJ7P SQL Tube Database Query

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6DG6GT
Beam Power Pentode

EIA Base & Outline

EIA Base: 7SEIA Bulb: 9-11 9-41

Substitute Data

Preferred Substitutes ......................... 6W6
Substitutes ................................... 6F6 6V6 6U6
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Glass octal type used as output tube in audio-amplifier applications. Requires octal socket. This type may be supplied with pin 1 omitted.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-9
Base Type ..................................... Intermediate Shell Octal
EIA Outline ................................... 9-11 9-41
EIA Base ...................................... 7S
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A

Direct Interelectrode Capacitances (approx)

Beam Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 15 pf
Output ........................................ 10 pf
Grid to Plate ................................. 0.6 pf

Maximum Ratings (Design Center Values)

Beam Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 125 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 1.25 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 180 Ω
Peak Grid No. 1 Voltage........................ 8.5 V
Plate Resistance (approx) ..................... 28K 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

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
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 mA
Grid No. 2 Current (Maximum Signal) ........... 10 mA
Load Resistance ............................... 2K Ω
Power Output (approx) ......................... 2.1 W

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Thu, 18 Aug 2022 10:32:30 -0700