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Power - TV Vertical Output ·Pentode

EL84F

Special-quality EL84-family power pentode designed for vertical-deflection and audio-frequency service. It combines output-stage capability with professional-quality construction for television and AF applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 760 mA

Description

Special-quality EL84 power pentode for vertical-deflection and AF service. Indirectly heated Mazda/Belvu receiving tube; descriptive text translated to English from the French source.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
760 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

No fixed ratings are recorded for this section.

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

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Pour un tube neuf moyen, le courant d'anode de crête est de

    125 mA

  • Va = 10 V , Vg =

    230 V

  • rant de crête d'anode ne dépassant pas 100 mA pour Va= 70 V, Vg, =

    230 V