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Showing 6CX8 and all of its variations. Other filters are hidden while viewing variations.

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6CX8
Power - Pentode (NOT beam)Pentode-TriodeDissimilar
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Base
9DX
Socket code
B9A
Sections
2
Heater
6.3 V / 750 mA
Plate
S1: 330 V / 5 W · S2: 330 V / 2 W
Screen
S1: 330 V / 1.1 W
rP
S1: 70,000 Ω · S2: 8,700 Ω
gm
S1: 10 mA/V · S2: 4.6 mA/V
μ
S1: 40 · S2: 40
9 pins - B9A - Small-button Noval 9-contact
Variations:6JA8
Triode/pentode combination for television video, sound-IF, sweep-oscillator, and synchronization signal-processing circuits.
Designed For TV Designed For VHF TV Signal Processor
Source PDFs (10)
6JA8
Voltage - Triode Tetrode Tetrode-TriodeDissimilar
PDF Google eBay
Base
9DX
Socket code
B9A
Sections
2
Heater
6.3 V / 750 mA
Plate
S1: 300 V / 1 W · S2: 300 V / 5 W
Screen
S2: 330 V / 1.5 W
rP
S1: 17,000 Ω · S2: 70,000 Ω
gm
S1: 4 mA/V · S2: 14 mA/V
μ
S1: 70
9 pins - B9A - Small-button Noval 9-contact
Variations:6CX8
High-mu triode and multi-grid section for television synchronization functions and video amplification.
Triode Tetrode TV Receiver Tube
Source PDFs (5)

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Electrical Summary

General Summary

Power - Pentode (NOT beam)Pentode-TriodeDissimilar

Heater	6.3 V / 750 mA
Plate	S1: 330 V / 5 WS2: 330 V / 2 W
Screen	S1: 330 V / 1.1 W
rP	S1: 70,000 ΩS2: 8,700 Ω
gm	S1: 10 mA/VS2: 4.6 mA/V
μ	S1: 40S2: 40

9 pins - B9A - Small-button Noval 9-contact

Variations:6JA8

Triode/pentode combination for television video, sound-IF, sweep-oscillator, and synchronization signal-processing circuits.

Designed For TV Designed For VHF TV Signal Processor

Voltage - Triode Tetrode Tetrode-TriodeDissimilar

Heater	6.3 V / 750 mA
Plate	S1: 300 V / 1 WS2: 300 V / 5 W
Screen	S2: 330 V / 1.5 W
rP	S1: 17,000 ΩS2: 70,000 Ω
gm	S1: 4 mA/VS2: 14 mA/V
μ	S1: 70

9 pins - B9A - Small-button Noval 9-contact

Variations:6CX8

High-mu triode and multi-grid section for television synchronization functions and video amplification.

Triode Tetrode TV Receiver Tube

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