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Voltage Pentode ·Pentode

9KC6

Frame-grid dual-control pentode for color-television chroma bandpass, color demodulation, and video amplification with exceptionally high transconductance.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
8.7 V / 450 mA

Description

The Sylvania 9KC6 is a frame-grid dual-control pentode for chroma bandpass, color demodulation, and video amplification.

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
8.7 V
Nominal heater current
450 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
55000 Ω
Transconductance
0.024 S
Max plate voltage
400 V
Max screen voltage
330 V
Max plate dissipation
7 W
Max screen dissipation
1.5 W

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

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater Voltage

    8.7 V

    SeriesHeater

  • Heater Current

    450 mA

    SeriesHeater

  • Heater Warm-up Time

    11 s

  • Grid1-Plate Capacitance

    0.2 pF

  • Grid3-Plate Capacitance

    2.2 pF

  • Grid1 Input Capacitance

    16.5 pF

  • Plate Voltage

    250 V

    PrimaryControlGrid1

  • Screen Voltage

    150 V

    PrimaryControlGrid1

  • Plate Current

    18 mA

    PrimaryControlGrid1

  • Transconductance Grid1-to-Plate

    24000 uS

  • Transconductance Grid3-to-Plate

    500 uS

  • Plate Resistance

    55000 ohm

Other

  • Maximum Plate Voltage

    400 V

  • Maximum Screen Supply Voltage

    330 V

  • Maximum Plate Dissipation

    7 W

  • Maximum Screen Dissipation

    1.5 W