Data set 01
1940 RCA
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Power Output
4.5 W
ClassA;OneTube
Power - Beam (NOT sweep) ·BeamPower
7C5LT
Long-life or controlled-heater variant of the 7C5 loctal beam-power audio-output family, intended for dependable receiver and amplifier output service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 6AA
- Socket code
- LOCTAL8
- Base pins
- 8
- Nominal heater
- 6.3 V / 450 mA
Description
Beam power amplifier for audio-frequency 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
- 6.3 V
- Nominal heater current
- 450 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
- 52000 Ω
- Transconductance
- 0.0041 S
- Max plate voltage
- 315 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 12 W
- Max screen dissipation
- 2 W
Published ratings and characteristics promoted from the approved RCA source.
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.