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Power - Pentode (NOT beam) ·Pentode

SV83

Svetlana high-transconductance audio power pentode for hi-fi driver and output-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 760 mA

Description

Miniature glass-envelope power pentode intended for use as a driver or output

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

Transconductance: 0.015 S
Max plate voltage: 300 V
Max screen voltage: 200 V
Max plate dissipation: 12 W
Max screen dissipation: 1.5 W
Max cathode current: 90 mA

Published ratings/characteristics promoted where unambiguous.

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

199X Svetlana

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Heater current
760 mA
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Grid to cathode
13.5 pF
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Anode to cathode
7 pF
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Grid to anode
0.07 pF
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Other

Anode voltage, DC
300 V
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Anode dissipation
12 W
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Screen voltage, DC
200 V
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Screen dissipation
1.5 W
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Cathode current, continuous
90 mA
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Grid voltage
-450 V
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Maximum grid-circuit resistance (self-bias)
1 megohm
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Vscreen =
200 V
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Vscreen =
150 V
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