Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Typical plate voltage
200 V
Characteristics
Transconductance
7100 uS
Power - Beam (NOT sweep) ·BeamPower
6Y6GA
Beam-power output tube in the 6Y6 family, intended for Class-A audio power amplification from relatively low supply voltage.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7AC
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 1.25 A
Description
6Y6GA 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
- 1.25 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
- 18300 Ω
- Transconductance
- 0.0071 S
- Max plate voltage
- 200 V
- Max screen voltage
- 200 V
- Max plate dissipation
- 12.5 W
- Max screen dissipation
- 1.75 W
- Max cathode current
- 65 mA
Beam-power section; the three envelope variants share the same electrical entry.
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
Capacitance
Input capacitance
15 pF
Output capacitance
11 pF
Grid-to-plate capacitance
0.7 pF
Other
Plate voltage
200 V
ClassA
Screen-grid voltage
135 V
ClassA
Grid voltage
-14 V
ClassA
Load resistance
2600 ohm
ClassA
Power output
6 W
ClassA
Characteristic
Plate resistance
18300 ohm
ClassA
Transconductance
4100 uS
ClassA
Data set 03
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Heater voltage
6.3 V
Nominal
Heater current
1.25 A
Nominal
Plate voltage
135 V
ClassA; OperatingPoint1
Screen voltage
135 V
ClassA; OperatingPoint1
Grid 1 voltage
-13.5 V
ClassA; OperatingPoint1
Load resistance
2000 ohm
ClassA; OperatingPoint1
Power output
3.6 W
ClassA; OperatingPoint1
Total harmonic distortion
10 %
ClassA; OperatingPoint1
Plate voltage
200 V
ClassA; OperatingPoint2
Screen voltage
135 V
ClassA; OperatingPoint2
Grid 1 voltage
-14 V
ClassA; OperatingPoint2
Load resistance
2600 ohm
ClassA; OperatingPoint2
Power output
6 W
ClassA; OperatingPoint2
Total harmonic distortion
10 %
ClassA; OperatingPoint2
Characteristic
Zero-signal plate current
58 mA
ClassA; OperatingPoint1
Zero-signal screen current
3.5 mA
ClassA; OperatingPoint1
Plate resistance
9300 ohm
ClassA; OperatingPoint1
Transconductance
7000 uS
ClassA; OperatingPoint1
Zero-signal plate current
61 mA
ClassA; OperatingPoint2
Zero-signal screen current
2.2 mA
ClassA; OperatingPoint2
Plate resistance
18300 ohm
ClassA; OperatingPoint2
Transconductance
7100 uS
ClassA; OperatingPoint2
Capacitance
Grid 1 to plate
0.7 pF
Direct interelectrode capacitance
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
135 V
ClassA
Grid #1 voltage
-14 V
ClassA
Zero-signal plate current
61 mA
ClassA
Maximum-signal plate current
66 mA
ClassA
Zero-signal grid #2 current
2.2 mA
ClassA
Maximum-signal grid #2 current
9 mA
ClassA
Plate resistance
14300 ohm
ClassA
Load resistance
2600 ohm
ClassA
Power output
6 W
ClassA
Total harmonic distortion
10 %
ClassA
Characteristic
Transconductance
5100 uS
ClassA
Capacitance
Grid-to-plate capacitance
0.8 pF
Input capacitance
13 pF
Output capacitance
7 pF
Data set 05
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
1.25 A
Plate voltage
135 V
ClassA
Screen voltage
135 V
ClassA
Plate current
50 mA
ClassA
Power output
3.6 W
ClassA
Characteristic
Plate resistance
30000 ohm
ClassA
Transconductance
5000 uS
ClassA
Capacitance
Grid-to-plate capacitance
0.4 pF
Input capacitance
9 pF
Output capacitance
7.5 pF