Skip to main content

Voltage Triode Pentode ·Pentode-Triode

6KS8

High-mu triode and pentode combination intended for television video-amplifier and related service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
B9A
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 600 mA

Description

High-mu triode and pentode combination tube intended for television video-amplifier and related service.

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
B9A
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B9A - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
17500 Ω
Transconductance
0.004 S
Amplification factor
70
Max plate voltage
330 V
Max plate dissipation
1.1 W

Published source values promoted where applicable.

Section 2

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
150000 Ω
Transconductance
0.0095 S
Max plate voltage
330 V
Max plate dissipation
3.75 W
Max screen dissipation
1.1 W

Published source values promoted where applicable.

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.

No source-specific operating conditions are recorded.