6AE8

Triode-hexode frequency converter for radio receivers: the triode serves as the local oscillator while the hexode performs frequency mixing, with approximately 780 µS conversion transconductance.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 8DU
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 300 mA

Description

Triode-hexode frequency converter.

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: 8DU
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

8DU - 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

Promoted values from 6AE8.pdf; section type follows printed electrode/function description.

Section 2

Hexode

X-ray radiationInterelectrode capacitances

Plate resistance: 700000 Ω
Transconductance: 0.00078 S
Max plate voltage: 250 V
Max screen voltage: 100 V

Promoted values from 6AE8.pdf; section type follows printed electrode/function description.

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

Triode

Other

Plate voltage
100 V
Oscillator
Plate current
4.5 mA
Oscillator

SECTION 2

Hexode

Other

Plate voltage
250 V
Converter
Screen-grid voltage
75 V
Converter
Control-grid voltage
0 V
Converter
Plate current
4.5 mA
Converter
Screen-grid current
3.4 mA
Converter
Conversion transconductance
780 uS
Converter

Characteristic

Oscillator grid peak voltage
10 V
Converter
Oscillator grid resistor
50000 ohm
Converter