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6V6GTA

Higher-rated 6V6-family beam-power pentode for audio-output service, electrically related to the 6V6GT with revised design-maximum ratings.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: EIA 7AC
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 450 mA

Description

6V6GTA is a BeamPower vacuum tube documented in the RCA Receiving Tube Manual. The supplied excerpt was reviewed for heater data, section arrangement, maximum ratings, electrical characteristics, interelectrode capacitances, typical operating conditions, and stated applications.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: EIA 7AC
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 450 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

EIA 7AC - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 50000 Ω
Transconductance: 0.0041 S
Max plate voltage: 350 V
Max screen voltage: 315 V
Max plate dissipation: 14 W
Max screen dissipation: 2.2 W
Max cathode current: 50 mA

Class A design-maximum values promoted; triode-connected vertical-deflection values preserved separately.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

Grid-to-plate capacitance
0.7 pF

Other

Plate voltage
250 V
ClassA
Plate voltage
250 V
ClassAB;PushPull;TwoTubes
Output power
10 W
ClassAB;PushPull;TwoTubes

Characteristics

Transconductance
3700 uS
ClassA
Triode amplification factor
9.8 ratio
TriodeConnection
Triode plate resistance
1960 Ohm
TriodeConnection

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

Grid-to-plate capacitance
0.7 pF
Input capacitance
9 pF
Output capacitance
8.5 pF

Other

Plate voltage
250 V
ClassA
Grid #2 voltage
250 V
ClassA
Grid #1 voltage
-12.5 V
ClassA
Zero-signal plate current
45 mA
ClassA
Zero-signal grid #2 current
4.5 mA
ClassA
Load resistance
5000 ohm
ClassA
Maximum-signal power output
4.5 W
ClassA
Peak positive plate voltage
1200 V
VerticalDeflection;TriodeConnection
Peak negative grid voltage
-250 V
VerticalDeflection;TriodeConnection
Peak cathode current
105 mA
VerticalDeflection;TriodeConnection
Heater warm-up time
11 s

Characteristic

Plate resistance
50000 ohm
ClassA
Transconductance
4100 uS
ClassA

Data set 03

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Plate Voltage
250 V
ClassA
Screen Voltage
250 V
ClassA
Peak Positive Pulse Plate Voltage
1200 V
VerticalDeflection,TriodeConnection
Vertical-Deflection Plate Dissipation
10 W
VerticalDeflection,TriodeConnection

Characteristic

Triode-Connection Amplification Factor
9.8
TriodeConnection
Triode-Connection Plate Resistance
1960 ohm
TriodeConnection
Triode-Connection Transconductance
5000 uS
TriodeConnection

Data set 04

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Heater voltage
6.3 V
Heater current
450 mA
Plate voltage
250 V
ClassA
Screen voltage
250 V
ClassA
Plate current
45 mA
ClassA
Power output
4.5 W
ClassA

Characteristic

Plate resistance
50000 ohm
ClassA
Transconductance
4100 uS
ClassA

Capacitance

Grid-to-plate capacitance
0.4 pF
Input capacitance
9 pF
Output capacitance
7.5 pF

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Heater Warm-up Time (Average) —
11 s
Other
Peak value
200 V
Other;PublishedValue1
Peak value
200 V
Other;PublishedValue2
Peak value
200 V
Other;PublishedValue3
Average value
100 V
Other;PublishedValue1
Average value
100 V
Other;PublishedValue2
Average value
100 V
Other;PublishedValue3
Plate Voltage
350 V
MaximumRating
Grid-No
2 V
MaximumRating;PublishedValue1
Grid-No
315 V
MaximumRating;PublishedValue2
Plate Dissipation
14 W
MaximumRating
Grid-No
2 W
MaximumRating;PublishedValue1
Grid-No
2.2 W
MaximumRating;PublishedValue2
Plate Voltage
180 V
TypicalOperation;PublishedValue1
Plate Voltage
250 V
TypicalOperation;PublishedValue2
Plate Voltage
315 V
TypicalOperation;PublishedValue3
Grid-No
2 V
TypicalOperation;PublishedValue1
Grid-No
180 V
TypicalOperation;PublishedValue2
Grid-No
250 V
TypicalOperation;PublishedValue3
Grid-No
225 V
TypicalOperation;PublishedValue4
Peak AF Grid-No.l Voltage
-8.5 V
TypicalOperation;PublishedValue1
Peak AF Grid-No.l Voltage
12.5 V
TypicalOperation;PublishedValue2
Peak AF Grid-No.l Voltage
-13 V
TypicalOperation;PublishedValue3
Published value
8.5 V
TypicalOperation;PublishedValue1
Published value
12.5 V
TypicalOperation;PublishedValue2
Published value
13 V
TypicalOperation;PublishedValue3
Zero-Signal Plate Current
29 mA
TypicalOperation;PublishedValue1
Zero-Signal Plate Current
45 mA
TypicalOperation;PublishedValue2
Zero-Signal Plate Current
34 mA
TypicalOperation;PublishedValue3
Maximum-Signal Plate Current
30 mA
TypicalOperation;PublishedValue1
Maximum-Signal Plate Current
47 mA
TypicalOperation;PublishedValue2
Maximum-Signal Plate Current
35 mA
TypicalOperation;PublishedValue3
Zero-Signal Grid-No
2 mA
TypicalOperation;PublishedValue1
Zero-Signal Grid-No
3 mA
TypicalOperation;PublishedValue2
Zero-Signal Grid-No
4.5 mA
TypicalOperation;PublishedValue3
Zero-Signal Grid-No
2.2 mA
TypicalOperation;PublishedValue4
Maximum-Signal Grid-No
2 mA
TypicalOperation;PublishedValue1
Maximum-Signal Grid-No
4 mA
TypicalOperation;PublishedValue2
Maximum-Signal Grid-No
7 mA
TypicalOperation;PublishedValue3
Maximum-Signal Grid-No
6 mA
TypicalOperation;PublishedValue4
Plate Resistance (Approx.)
50000 ohm
TypicalOperation;PublishedValue1
Plate Resistance (Approx.)
50000 ohm
TypicalOperation;PublishedValue2
Plate Resistance (Approx.)
80000 ohm
TypicalOperation;PublishedValue3
Transconductance
3700 uS
TypicalOperation;PublishedValue1
Transconductance
4100 uS
TypicalOperation;PublishedValue2
Transconductance
3750 uS
TypicalOperation;PublishedValue3
Load Resistance
5500 ohm
TypicalOperation;PublishedValue1
Load Resistance
5000 ohm
TypicalOperation;PublishedValue2
Load Resistance
8500 ohm
TypicalOperation;PublishedValue3

Capacitance

Grid No.l to Plate
0 pF
Capacitance;PublishedValue1
Grid No.l to Plate
3 pF
Capacitance;PublishedValue2
Grid No.l to Plate
0 pF
Capacitance;PublishedValue3
Grid No.l to Plate
7 pF
Capacitance;PublishedValue4
Grid No
3 pF
Capacitance;PublishedValue1
Grid No
10 pF
Capacitance;PublishedValue2
Grid No
9 pF
Capacitance;PublishedValue3
Grid No
3 pF
Capacitance;PublishedValue1
Grid No
11 pF
Capacitance;PublishedValue2
Grid No
7.5 pF
Capacitance;PublishedValue3