6SS7GT

GT-envelope remote-cutoff RF pentode for AVC-controlled RF and IF amplifier service. It combines variable-gain receiver operation with tubular glass construction.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 150 mA

Description

Remote-cutoff RF pentode for AVC-controlled RF and IF amplifier service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 150 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: 120000 Ω
Transconductance: 0.0022 S
Max plate voltage: 300 V
Max screen voltage: 100 V
Max plate dissipation: 2.25 W
Max screen dissipation: 0.35 W

Remote-cutoff pentode.

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

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

Grid-to-plate capacitance
0.004 pF
ExternalShield
Input capacitance
5 pF
ExternalShield
Output capacitance
6 pF
ExternalShield

Characteristic

Plate voltage
100 V
Typical
Screen voltage
100 V
Typical
Control-grid voltage
-1 V
Typical
Plate current
12.2 mA
Typical
Screen current
3.1 mA
Typical
Transconductance
2200 uS
Typical
Plate resistance
120000 ohm
Typical
Grid voltage for transconductance 10 uS
-15 V