Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
HeaterOrFilamentVoltage
35 V
HeaterOrFilamentCurrent
150 mA
Other
Maximum Signal Power Output
1.4 W
ClassA
Power - Beam Single (NOT sweep) (under 10W) ·BeamPower
35A5
Beam-power audio-output tube for AC/DC receiving equipment, designed for Class-A loudspeaker power from a 35 V series-string heater.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 6AA
- Socket code
- LOCTAL8
- Base pins
- 8
- Nominal heater
- 35 V / 150 mA
Description
Beam power amplifier for AC/DC receiver output service.
Socket description
Loctal 8-contact base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 6AA
- Socket code
- LOCTAL8
- Base pins
- 8
- Nominal heater voltage
- 35 V
- Nominal heater current
- 150 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
6AA - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1Pin 1 | — | H — Heater | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN2Pin 2 | A | P — Plate (Anode) | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN3Pin 3 | A | G2 — Screen Grid | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN4Pin 4 | — | NC | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN5Pin 5 | — | NC | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN6Pin 6 | A | G1 — Control Grid | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN7Pin 7 | A | BP — Beam-Forming PlateGroup AA7 | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN7Pin 7 | A | K — CathodeGroup AA7 | Verified 7C5 JEDEC registration, 6AA pin assignment |
| PIN8Pin 8 | — | H — Heater | Verified 7C5 JEDEC registration, 6AA pin assignment |
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 34000 Ω
- Transconductance
- 0.0055 S
- Max plate voltage
- 200 V
- Max screen voltage
- 200 V
- Max plate dissipation
- 8.5 W
- Max screen dissipation
- 1 W
Published promoted fields populated by semantic section ownership.
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
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Application
Application
Audio output
Data set 03
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Plate voltage
200 V
ClassA
Screen voltage
125 V
ClassA
Cathode resistor
180 Ω
ClassA
Plate current
43 mA
ClassA
Screen current
2 mA
ClassA
Load resistance
5000 Ω
ClassA
Power output
3 W
ClassA
Plate voltage
110 V
ClassA
Screen voltage
110 V
ClassA
Control-grid voltage
-7.5 V
ClassA
Plate current
40 mA
ClassA
Load resistance
2500 Ω
ClassA
Power output
1.5 W
ClassA
Characteristic
Plate resistance
34000 Ω
ClassA
Transconductance
6100 µS
ClassA
Plate resistance
14000 Ω
ClassA
Transconductance
5800 µS
ClassA
Data set 04
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Power Output
3 W
ClassA1