6CK6

Power pentode optimized for wideband video-frequency amplification and general Class A output service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9AR
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 710 mA

Description

Power pentode for video-frequency amplification. 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: 9AR
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 710 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9AR - 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: 130000 Ω
Transconductance: 0.01 S
Amplification factor: 24
Max plate voltage: 300 V
Max screen voltage: 300 V
Max plate dissipation: 9 W
Max screen dissipation: 2 W
Max cathode current: 70 mA

Power pentode 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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
250 V
ClassA
Screen-grid voltage
250 V
ClassA
Grid voltage
-5.5 V
ClassA
Plate current
36 mA
ClassA
Screen-grid current
5 mA
ClassA

Capacitance

Input capacitance
1.2 pF
Output capacitance
6.6 pF

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

st emeenaccaceunse Vf
6.3 V
Capacité d'entrée …....….....…eeennmennncennnennennnn Ce
10.8 pF
Capacité de SOrtIE .…….….…….…eeneiesmenemenennnnçeannnene Cs
6.6 pF
Capacité grille n°1/ grille n°2.........……rsrreceses Ce,/ 8
3.2 pF
Tension d'ANOdE …....…rereircenmersesssencrersercrssenmencreneceanrenene Va
250 V
Tension de grille n° 3 ...……eseecsereameenmeensenennentenseüûnÊnnnnn
0 V
Tension de grille n° 2'
250 V
Tension de grille n° 1 .……..…ecessreneeecconsereresranresmeaneens Ve,
-55 V
Courant d'AN0dE .…...……………cereresseocermentenmencesens entrrcremerenenaenee Ia
36 mA
Courant de grille n° 2
5 mA
sperroserc en e nc nc enresacEnAncc e cs cVreave
10 mA

Other

Courant filament …. … If
710 mA
Capacité grille n°1/anode...…..…...….….. … Cg,/a
0.1 pF
Capacité grille n°1/filament …… .. C@,/f
0.15 pF
Tension d'anode à courant nul ………mccrcecccrrecensecencesecess Vabl
550 V
Tension d'Anod@E …….....…..….……..……eersrrreecerensreneererrentesessscessse Va
300 V
Tension de grille n° 2 à courant nul ………useeceseerenene Ve,bl
550 V
Tension de grille n° Z ..…uesererersererercensarnsencenencanensences Ve,
300 V
grille n° 1 égale à + O,3 LÀ ……cceicorcuseenececessrsrencenenes -Ve,
1.3 V
Courant de cathode .…....….….….…..….…. … Ik
70 mA
Dissipation d'anode …… … Pa
9 W
Dissipation de grille n° 2 …….…enrerensecsscannnenerensencecronee Pg,
2 W
Tension entre filament et cathod@e .....…..….…seesese Vfk
100 V

Data set 03

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
6.3 V
Heater current
710 mA
Plate voltage
250 V
Screen voltage
250 V
Plate current
36 mA
Screen current
5 mA
Transconductance
10000 uS
Plate resistance
130000 ohm
Screen-grid amplification factor
24

Other

Maximum signal output power
4.5 W
ClassA

Capacitance

Input capacitance
11.2 pF
Output capacitance
6.6 pF
Plate-grid capacitance maximum
0.1 pF