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Power - Pentode (NOT beam) ·Pentode

LV1

Low-noise broadband power pentode for airborne preamplifier, output-amplifier, and transmitter service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / 210 mA

Description

Telefunken LV1 low-noise pentode intended for broadband amplifiers and for preamplifier, output-amplifier, and transmitter service; designed for airborne operation.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
12.6 V
Nominal heater current
210 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

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
200000 Ω
Transconductance
0.0095 S
Max plate voltage
300 V
Max screen voltage
400 V
Max plate dissipation
10 W
Max screen dissipation
1.5 W
Max cathode current
40 mA

Published ratings and characteristics were promoted when unambiguous; additional operating values are preserved in TUBE_SECTION_PARAMETER.

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 01

194X Wehrmacht Rohren

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

  • Input capacitance

    10.2 pF

  • Output capacitance

    6.6 pF

  • Grid-plate capacitance

    - to 0.0005 pF

Other

  • Plate voltage

    250 V

    Single-ended class-A audio output

  • Screen voltage

    250 V

    Single-ended class-A audio output

  • Plate current

    25 mA

    Single-ended class-A audio output

  • Output power

    3.5 W

    Single-ended class-A audio output at Ua=300 V