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

43

Power-output pentode designed for audio stages in AC/DC receivers. Its heater and operating characteristics suit transformerless mains-powered equipment requiring dedicated low-frequency output power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 6B
Socket code: UX6
Base pins: 7
Nominal heater: 25 V / 300 mA

Description

Power-output pentode intended for AC/DC receiver audio-output stages.

Socket description

Small 6-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 6B
Socket code: UX6
Base pins: 7
Nominal heater voltage: 25 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

6B - 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: 45000 Ω
Transconductance: 0.002 S
Max plate voltage: 200 V
Max screen voltage: 200 V
Max plate dissipation: 9 W
Max screen dissipation: 1.5 W
Max cathode current: 60 mA

Published promoted fields populated by semantic headings; identical repeated sections compressed.

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

1937 Raytheon Radio Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate Voltage
160 V
ClassA
Screen Voltage
120 V
ClassA
Grid Voltage
-18 V
ClassA
Plate Current
33 mA
ClassA
Screen Current
6.5 mA
ClassA
Load Resistance
5000 ohm
ClassA
Power Output
2.2 W
ClassA

Data set 02

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

HeaterVoltageNominal
25 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
200 V
Maximum Screen Voltage
200 V
Maximum Plate Dissipation
9 W
Maximum Cathode Current
60 mA

Characteristic

Transconductance
2000 µS
Typical

Data set 03

1948 Brimar Radio Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate Voltage
135 V
Point1
Plate Voltage
160 V
Point2
Plate Current
37 mA
Point1
Plate Current
33 mA
Point2
Screen Voltage
135 V
Point1
Screen Voltage
120 V
Point2
Power Output
2 W
Point1
Power Output
2.2 W
Point2

Characteristic

Plate Resistance
35000 ohm
Point1
Plate Resistance
42000 ohm
Point2
Transconductance
2450 µS
Point1
Transconductance
2400 µS
Point2

Data set 04

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Transconductance
2450 µS

Data set 05

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Anode Voltage
160 V
Anode Current
33 mA
Screen Voltage
120 V
Screen Current
6.5 mA
Control Grid Voltage
-18 V
Optimum Load
5000 ohm

Other

Power Output
2.2 W
ClassA

Data set 06

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate Voltage
160 V
ClassA
Screen Voltage
120 V
ClassA
Grid Voltage
-18 V
ClassA
Plate Current
33 mA
ClassA
Screen Current
6.5 mA
ClassA
Load Resistance
5000 ohm
ClassA
Power Output
2.2 W
ClassA

Data set 07

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Plate Resistance
35000 ohm
Typical
Transconductance
2450 uS
Typical

Other

Power Output
2.2 W
Typical