Data set 01
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Power output maximum published
4.3 W
Power - Beam (NOT sweep) ·BeamPower
25L6GTY
Output beam tetrode designed for AC/DC audio equipment, providing power amplification in series-heater receiving and amplifier circuits.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 25 V / 300 mA
Description
Output beam tetrode for AC/DC audio equipment.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 25 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 30000 Ω
- Transconductance
- 0.0095 S
- Max plate voltage
- 200 V
- Max screen voltage
- 110 V
Published Brimar ratings and characteristics promoted where applicable; additional data retained as parameters.
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.