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Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

CV1959

Miniature 50-volt-heater output beam tetrode explicitly equivalent to the 50C5 family, designed for Class-A receiver audio-output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
50 V / 150 mA

Description

The CV1959 is a miniature 50 V heater output beam tetrode equivalent to the 50C5/CV1959 type.

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
50 V
Nominal heater current
150 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
10000 Ω
Transconductance
0.0075 S
Max plate voltage
135 V
Max screen voltage
117 V
Max plate dissipation
5.5 W
Max screen dissipation
1.25 W

Output beam tetrode.

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

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Anode Voltage

    110 V

  • Anode Current

    49 mA

  • Screen Voltage

    110 V

  • Screen Current

    4 mA

  • Control Grid Voltage

    -7.5 V

  • Optimum Load

    2500 ohm

Other

  • Power Output

    1.9 W

    ClassA