Data set 01
1944 Hytron
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Load Resistance
2000 ohm
ClassA;OneTube
Power - Beam (NOT sweep) ·BeamPower
6W6GT
Beam-power output tube providing useful Class-A audio power at relatively low plate voltage, suited to receiver and consumer-electronics output stages.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7AC
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 1.2 A
Description
6W6GT 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
- 7AC
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 1.2 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7AC - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1Pin 1 | — | NC | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN2Pin 2 | — | H — Heater | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN3Pin 3 | A | P — Plate (Anode) | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN4Pin 4 | A | G2 — Screen Grid | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN5Pin 5 | A | G1 — Control Grid | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN7Pin 7 | — | H — Heater | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN8Pin 8 | A | BP — Beam-Forming PlateGroup AC8 | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
| PIN8Pin 8 | A | K — CathodeGroup AC8 | Verified 12L6GT/25L6GT manufacturer basing, 7AC |
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 28000 Ω
- Transconductance
- 0.008 S
- Amplification factor
- 6.2
- Max plate voltage
- 300 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 10 W
- Max screen dissipation
- 1.25 W
- Max cathode current
- 60 mA
Class-A promoted values use the 200-V operating column; alternate operating points and triode-connection data are preserved as parameters.
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 02
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Plate voltage
200 V
ClassA;PentodeConnection
Screen-grid voltage
125 V
ClassA;PentodeConnection
Plate current
46 mA
ClassA;PentodeConnection
Screen-grid current
2.2 mA
ClassA;PentodeConnection
Load resistance
4000 ohm
ClassA;PentodeConnection
Power output
3.8 W
ClassA;PentodeConnection
Plate voltage
110 V
ClassA;PentodeConnection;LowVoltage
Screen-grid voltage
110 V
ClassA;PentodeConnection;LowVoltage
Plate current
49 mA
ClassA;PentodeConnection;LowVoltage
Screen-grid current
4 mA
ClassA;PentodeConnection;LowVoltage
Load resistance
2000 ohm
ClassA;PentodeConnection;LowVoltage
Power output
2.1 W
ClassA;PentodeConnection;LowVoltage
Maximum positive pulse plate voltage
1200 V
VerticalDeflection;TriodeConnection;PulseDuration<=15%ScanCycle
Maximum plate dissipation
7.5 W
VerticalDeflection;TriodeConnection
Maximum DC cathode current
40 mA
VerticalDeflection;TriodeConnection
Characteristic
Plate resistance
28000 ohm
ClassA;PentodeConnection;PlateVoltage=200V
Transconductance
8000 uS
ClassA;PentodeConnection;PlateVoltage=200V
Plate resistance
13000 ohm
ClassA;PentodeConnection;LowVoltage
Transconductance
8000 uS
ClassA;PentodeConnection;LowVoltage
Data set 03
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
Heater Voltage
6.3 V
Heater Current
1.2 A
Grid To Plate Capacitance
0.8 pF
Input Capacitance
15 pF
Output Capacitance
9 pF
Plate Resistance
28000 ohm
Transconductance
8000 uS
Other
Plate Voltage
200 V
ClassA
Screen Voltage
125 V
ClassA
Cathode Bias Resistance
180 ohm
ClassA
Plate Current
46 mA
ClassA
Screen Current
2.2 mA
ClassA
Load Resistance
4000 ohm
ClassA
Power Output
3.8 W
ClassA
PeakPositivePlateVoltage
1200 V
VerticalDeflection;TriodeConnection
Data set 04
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Plate voltage
200 V
ClassA
Grid #2 voltage
125 V
ClassA
Cathode bias resistor
180 ohm
ClassA
Zero-signal plate current
46 mA
ClassA
Zero-signal grid #2 current
2.2 mA
ClassA
Load resistance
4000 ohm
ClassA
Power output
3.8 W
ClassA
Peak positive pulse plate voltage
1500 V
VerticalDeflection;PentodeConnection
Peak negative pulse grid #1 voltage
-275 V
VerticalDeflection
Peak cathode current
195 mA
VerticalDeflection
Characteristic
Plate resistance
28000 ohm
ClassA
Transconductance
8000 uS
ClassA
Triode-connected amplification factor
6.2
TriodeConnection
Triode-connected plate resistance
1600 ohm
TriodeConnection
Triode-connected transconductance
3800 uS
TriodeConnection
Data set 05
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
Plate Resistance
13000 ohm
ClassA;Ep=110V
Plate Resistance Triode Connection
1600 ohm
TriodeConnection
Transconductance Triode Connection
3800 uS
TriodeConnection
Amplification Factor Triode Connection
6.2
TriodeConnection
Other
Plate Voltage
110 V
ClassA
Screen Voltage
110 V
ClassA
Power Output
2.1 W
ClassA
Data set 06
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
1.2 A
Plate voltage
200 V
ClassA
Screen voltage
135 V
ClassA
Plate current
49 mA
ClassA
Power output
3.8 W
ClassA
Characteristic
Plate resistance
25000 ohm
ClassA
Transconductance
6000 uS
ClassA
Capacitance
Grid-to-plate capacitance
0.4 pF
Input capacitance
9 pF
Output capacitance
7.5 pF
Data set 07
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
lvalue
200 V
Other
Plate Voltage
330 V
MaximumRating
Grid-No
2 V
MaximumRating;PublishedValue1
Grid-No
165 V
MaximumRating;PublishedValue2
Plate Dissipation
12 W
MaximumRating
Grid-No
2 W
MaximumRating;PublishedValue1
Grid-No
1.35 W
MaximumRating;PublishedValue2
Plate Supply Voltage
110 V
TypicalOperation;PublishedValue1
Plate Supply Voltage
200 V
TypicalOperation;PublishedValue2
Cathode-Bias Resistor —
180 ohm
TypicalOperation
Peak AF Grid-No.l Voltage
7.5 V
TypicalOperation;PublishedValue1
Peak AF Grid-No.l Voltage
8.5 V
TypicalOperation;PublishedValue2
Zero-Signal Plate Current
49 mA
TypicalOperation;PublishedValue1
Zero-Signal Plate Current
46 mA
TypicalOperation;PublishedValue2
Maximum-Signal Plate Current
50 mA
TypicalOperation;PublishedValue1
Maximum-Signal Plate Current
47 mA
TypicalOperation;PublishedValue2
Zero-Signal Grid-No
2 mA
TypicalOperation;PublishedValue1
Zero-Signal Grid-No
4 mA
TypicalOperation;PublishedValue2
Zero-Signal Grid-No
2.2 mA
TypicalOperation;PublishedValue3
Maximum-Signal Grid-No
2 mA
TypicalOperation;PublishedValue1
Maximum-Signal Grid-No
10 mA
TypicalOperation;PublishedValue2
Maximum-Signal Grid-No
8.5 mA
TypicalOperation;PublishedValue3
Plate Resistance (Approx.)
13000 ohm
TypicalOperation;PublishedValue1
Plate Resistance (Approx.)
28000 ohm
TypicalOperation;PublishedValue2
Capacitance
Grid No.l to Plate
0.8 pF
Capacitance
Grid No.l to Cathode. Heater, Grid No
2 pF
Capacitance;PublishedValue1
Grid No.l to Cathode. Heater, Grid No
3 pF
Capacitance;PublishedValue2
Grid No.l to Cathode. Heater, Grid No
15 pF
Capacitance;PublishedValue3
Plate to Cathode, Heater, Grid No
2 pF
Capacitance;PublishedValue1
Plate to Cathode, Heater, Grid No
3 pF
Capacitance;PublishedValue2
Plate to Cathode, Heater, Grid No
9 pF
Capacitance;PublishedValue3