Data set 01
1954 STC Brimar
Published operating points and test conditions from this source.
SECTION 1
Beam Power
CrossReference
Equivalent electrical characteristics
6V6G/GT
Power - Beam (NOT sweep) ·BeamPower
6061
Ruggedized audio beam-power pentode designed for dependable power-output service under demanding environmental conditions.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9AM
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 450 mA
Description
Ruggedized audio beam power pentode; description derived from the supplied registration datasheet.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 9AM
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9AM - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1Pin 1 | — | IC | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN2Pin 2 | A | G1 — Control Grid | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN3Pin 3 | A | K — Cathode | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN4Pin 4 | — | H — Heater | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN5Pin 5 | — | H — Heater | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN6Pin 6 | — | NC | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN7Pin 7 | A | P — Plate (Anode) | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN8Pin 8 | A | G2 — Screen Grid | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
| PIN9Pin 9 | A | G3 — Suppressor Grid | Verified 6BW6 9AM manufacturer basing, GE/Brimar |
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 52000 Ω
- Transconductance
- 0.0041 S
- Max plate voltage
- 315 V
- Max screen voltage
- 285 V
- Max plate dissipation
- 12 W
Published source values promoted where applicable.
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
250 V
ClassA
Screen voltage
250 V
ClassA
Control-grid bias
-12.5 V
ClassA
Plate current
45 mA
ClassA
Screen current
4.5 mA
ClassA
Plate resistance
52000 ohm
ClassA
Transconductance
4100 uS
ClassA
Load resistance
5000 ohm
ClassA
Power output
4.5 W
ClassA
Plate voltage
315 V
ClassA
Screen voltage
225 V
ClassA
Control-grid bias
-13 V
ClassA
Plate current
34 mA
ClassA
Screen current
2.2 mA
ClassA
Plate resistance
77000 ohm
ClassA
Transconductance
3750 uS
ClassA
Load resistance
8500 ohm
ClassA
Power output
5.5 W
ClassA