Data set 01
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
Heater Voltage
6.3 V
Heater Current
450 mA
MaximumRFApplicationFrequency
150 MHz
Approximate
Power - Beam (NOT sweep) ·BeamPower
6BW6
Miniature output beam tetrode electrically related to the 6V6 family, designed for audio power amplification and also usable for RF service to roughly 150 MHz.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9AM
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 450 mA
Description
Miniature output beam tetrode electrically equivalent to 6V6G/GT and usable for RF service to about 150 MHz.
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
- 77000 Ω
- Transconductance
- 0.00375 S
- Max plate voltage
- 315 V
- Max screen voltage
- 285 V
- Max plate dissipation
- 12 W
- Max screen dissipation
- 2 W
Published maximum ratings, operating characteristics, rectifier data, and capacitances reviewed.
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
Maximum plate voltage
315 V
Published handbook rating
Maximum screen voltage
285 V
Published handbook rating
Plate voltage
315 V
ClassA
Screen voltage
225 V
ClassA
Control-grid bias
13 V
ClassA
Plate current
34 mA
ClassA
Screen current
1 mA
ClassA
Load resistance
8500 ohm
ClassA
Power output
5.5 W
ClassA
Characteristic
Plate resistance
77000 ohm
Published handbook characteristic
Transconductance
3750 µS
Published handbook characteristic
Heater voltage
6.3 V
Published heater rating
Heater current
450 mA
Published heater rating