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Power - Triode ·Triode-Triode

EDD11

Double power triode designed for Class-B audio output amplification, combining two output sections in one envelope for push-pull power stages.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
Y8A
Base pins
-
Nominal heater
6.3 V / 400 mA

Description

Double output triode for Class-B amplification.

Socket description

Steel-tube 8-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
Y8A
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
400 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Max plate voltage
250 V
Max plate dissipation
3 W

Two similar output triode sections; represented once under identical-section compression.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Max plate voltage
250 V
Max plate dissipation
3 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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Triode

Application

  • Application

    Class-B audio output

    ClassB

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Chauffage id., alimentation en paral- Vf 6,

    3 V

    Published datasheet value

Other

  • Va (EDD 11 & EBC 11)

    200 V

    Published datasheet value

  • Va (EDD 11 & EBC 11) 200V

    250 V

    Published datasheet value

  • Vg (EDD 11)

    -6.3 V

    Published datasheet value

  • Vg (EDD 11) -6,3 V

    -6.3 V

    Published datasheet value

  • Vg (EDD 11.)

    -6.3 V

    Published datasheet value

  • Vg (EDD 11.) -6,3V

    -8 V

    Published datasheet value

  • Iao (EDD 11) 2x

    1.6 mA

    Published datasheet value

  • Iao (EDD 11) 2x1,6 mA 2x

    3.5 mA

    Published datasheet value

  • Is max (EDD 11) 2x

    17.5 mA

    Published datasheet value

  • Is max (EDD 11) 2x17,5 mA 2x

    17.5 mA

    Published datasheet value

  • Vi (ESC 11)

    4.5 V

    Published datasheet value

  • Vi (ESC 11) 4,5 V(eff)

    4.5 V

    Published datasheet value

  • Wo (EDD 11)

    4.5 W

    Published datasheet value

  • Wo (EDD 11) 4,5 W

    5.5 W

    Published datasheet value

  • °tt

    10 %

    Published datasheet value

  • °tt 10%

    10 %

    Published datasheet value

  • V~ (Wo

    50 mW

    Published datasheet value

  • V~ (Wo = 50 mW)

    0.15 V

    Published datasheet value

  • V~ (Wo = 50 mW) 0,15V(eff)

    0.15 V

    Published datasheet value

  • W1 (EDD 11)(Wo = max)2)

    0.1 W

    Published datasheet value

  • W1 (EDD 11)(Wo = max)2) 0,1W

    0.1 W

    Published datasheet value

  • Vao max

    550 V

    Published datasheet value

  • Va max

    250 V

    Published datasheet value

  • We max. 2x

    3 W

    Published datasheet value

  • Ik max. 2x

    25 mA

    Published datasheet value

  • Vfk max

    50 V

    Published datasheet value