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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

CL6

Series-heater audio power pentode supporting single-ended operation and push-pull output up to approximately 13.5 W.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
P8A
Base pins
8
Nominal heater
35 V / 200 mA

Description

Power output pentode for AC/DC operation. The datasheet includes single-ended service and two-valve push-pull conditions up to 13.5 W output.

Socket description

European 8-pin side-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
P8A
Base pins
8
Nominal heater voltage
35 V
Nominal heater current
200 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
19000 Ω
Transconductance
0.008 S
Max plate voltage
250 V
Max screen voltage
125 V
Max plate dissipation
9 W
Max screen dissipation
1 W

Output pentode section; promoted resistance corresponds to 200 V operating point.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Anode voltage

    160 V

    SingleEnded 160V

  • Screen voltage

    100 V

    SingleEnded 160V

  • Anode current

    50 mA

    SingleEnded 160V

  • Control-grid voltage

    -8.3 V

    SingleEnded 160V

  • Load resistance

    2000 ohm

    SingleEnded 160V

  • Output power

    2.1 W

    SingleEnded 160V

  • Cathode resistor

    140 ohm

    SingleEnded 160V

  • Anode voltage

    200 V

    SingleEnded 200V

  • Screen voltage

    100 V

    SingleEnded 200V

  • Anode current

    45 mA

    SingleEnded 200V

  • Control-grid voltage

    -9.5 V

    SingleEnded 200V

  • Load resistance

    4500 ohm

    SingleEnded 200V

  • Output power

    4 W

    SingleEnded 200V

  • Cathode resistor

    190 ohm

    SingleEnded 200V

  • Anode voltage

    100 V

    PushPull 100V

  • Screen voltage

    100 V

    PushPull 100V

  • Two-tube quiescent anode current

    84 mA

    PushPull 100V

  • Anode-to-anode load resistance

    3000 ohm

    PushPull 100V

  • Output power

    4 W

    PushPull 100V

  • Total distortion

    5.6 %

    PushPull 100V

  • Anode voltage

    250 V

    PushPull 250V

  • Screen voltage

    125 V

    PushPull 250V

  • Two-tube quiescent anode current

    72 mA

    PushPull 250V

  • Anode-to-anode load resistance

    7000 ohm

    PushPull 250V

  • Output power

    13.5 W

    PushPull 250V

  • Total distortion

    6.3 %

    PushPull 250V

  • Anode supply voltage maximum

    550 V

  • Plate voltage maximum

    250 V

  • Plate dissipation maximum

    9 W

  • Screen supply voltage maximum

    550 V

  • Screen voltage maximum

    125 V

  • Heater-cathode voltage maximum

    175 V

Characteristic

  • Transconductance

    8500 uS

    SingleEnded 160V

  • Plate resistance

    12000 ohm

    SingleEnded 160V

  • Transconductance

    8000 uS

    SingleEnded 200V

  • Plate resistance

    19000 ohm

    SingleEnded 200V

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • diese Schirmgitterspannung konstruiert. Bei Vo

    2

    Published datasheet specification

  • ein Anodenstrom von

    0 mA

    Published datasheet specification

  • Published specification

    8.5 mA/V

    Published datasheet specification

  • Published specification

    6 V

    Published datasheet specification

  • Fiir G/W-Geriite, die mit niedrigen Netzspannungen arbeiten, bietet

    7737

    Published datasheet specification

  • fifi'!‘:’%”' L L SEEN liche Vorspannung —

    3 V

    Published datasheet specification

  • T T : [ bei Vo

    2

    Published datasheet specification

  • e EIEEEE [t 2 2001:¥g2

    100 V

    Published datasheet specification

  • ‘ HH A

    0

    Published datasheet specification

  • M j - 2

    125 V

    Published datasheet specification

  • der negativen Gittervorspannung bei Vg,

    100 V

    Published datasheet specification

  • und Va

    100

    Published datasheet specification

  • darf

    6 V

    Published datasheet specification

  • Anodenstrom als Funktion der An;)dcuspunnung bei bg,

    100 V

    Published datasheet specification

  • Bei

    0 V

    Published datasheet specification

  • Hieraus ergibt sich fiir den

    0

    Published datasheet specification

  • schaltet, um eine gréBere Endleistung zu erhalten. Die CL 6 gibt bei ¥V, — Vg2

    100 V

    Published datasheet specification

  • wechselspannungsbedarf von

    7 V

    Published datasheet specification

  • von

    0 V

    Published datasheet specification

  • Endpenthode mit automatischer Vorspannung, Va

    100 V

    Published datasheet specification

  • s 1 fa

    45 mA

    Published datasheet specification

  • Endpenthode mit automatischer Vorspannung, Va

    200 V

    Published datasheet specification

  • Ve,

    60 V

    Published datasheet specification

  • Heizspannung. . . . . . . .« . o o o v v h e e e e e e e Vi

    3 V

    Published datasheet specification

  • Heizstrom . . . . . . . . . . . . 000 e e e e e e Iy

    200 mA

    Published datasheet specification

  • Grenzwert der Gitteranodenkapazitit. . . . . . . . . . . Cogt

    0.5

    Published datasheet specification

  • Anodenspannung . . . . . . . .. Vo

    100 V

    Published datasheet specification

  • Schirmgitterspannung . . . . . . . Vye

    100 V

    Published datasheet specification

  • Schirmgittervorwiderstand . . . . . Ry

    27

    Published datasheet specification

  • Schirmgitterentkopplungskondensator Cgp

    32 uF

    Published datasheet specification

  • Kathodenwiderstand . . . . . . . . R,

    140

    Published datasheet specification

  • Neg. Gittervorspannung . . . . . . Vegg

    83

    Published datasheet specification

  • Anodenstrom . . . . . . . . . .. I,

    50 mA

    Published datasheet specification

  • Sehirmgitterstrom . . . . . . . . . Iz

    9 mA

    Published datasheet specification

  • Steilheit . . . . . . . .. .. .. S

    85 mA/V

    Published datasheet specification

  • Innenwiderstand . . . . . . . . . R;

    12000

    Published datasheet specification

  • Giinstigster Anpassungswiderstand . R,

    2000

    Published datasheet specification

  • Ausgangsleistung . . . . . .. .. w,

    21 W

    Published datasheet specification

  • Verzerrung . . . . . . . . . . . . diot

    109

    Published datasheet specification

  • Gitterwechselspannungsbedarf . . . V;

    5.6 V

    Published datasheet specification

  • Empfindlichkeit . . . . . . . . Vicmmw)

    0.62 V

    Published datasheet specification

  • Bezug auf Gitter 1 . . . . . . . ug2i

    1

    Published datasheet specification

  • Anodenspannung . V,

    100 V

    Published datasheet specification

  • Vg2

    100 V

    Published datasheet specification

  • Ry,

    190

    Published datasheet specification

  • Anodenruhestrom . I,

    2

    Published datasheet specification

  • Tomax

    2

    Published datasheet specification

  • Tp2max

    2

    Published datasheet specification

  • dtot

    5.69

    Published datasheet specification

  • Max. Anodenkaltspannung Vi

    550 V

    Published datasheet specification

  • Max. Anodenspannung . . . Ve

    250 V

    Published datasheet specification

  • Max. Anodendauerbelastung W,

    9 w

    Published datasheet specification

  • Max. Schirmgitterkaltspannung V2o

    550 V

    Published datasheet specification

  • Max. Schirmgitterspannung . Vg2

    125 V

    Published datasheet specification

  • Max. Schlrmgltterdauerbelastung im Ruhezustand. Wg2

    1 W

    Published datasheet specification

  • Wez (W max)

    1.5 W

    Published datasheet specification

  • bei I,

    50 mA

    Published datasheet specification

  • Published specification

    100 V

    Published datasheet specification

  • bei I,

    45 mA

    Published datasheet specification

  • Max. Kathodenstrom e

    70 mA

    Published datasheet specification

  • Grenzwert des Gltterstromelnsa;tzpunktes. g1 (Igj

    0

    Published datasheet specification

  • Max. Widerstand zwischen Gitter und Kathode . Rg1i

    1

    Published datasheet specification

  • Max. Widerstand zwischen Heizfaden und Kathode . . . Rpr

    5000

    Published datasheet specification

  • Max. Scheitelwert der Sp. zwischen Heizfaden und Kathode ka max

    75 V

    Published datasheet specification