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Voltage Dual Pentode Triode ·Pentode-Pentode-Triode

6SR1P

Russian combination tube containing a triode and two power pentodes for phase inversion and push-pull low-frequency power-output amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 600 mA

Description

The 6SR1P is a Russian dual pentode-triode for phase inversion and push-pull low-frequency output amplification. Its source entry was translated to English and processed independently from neighboring partial entries.

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
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
600 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

3 physical sections, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.00525 S

Promoted values translated from the filename-designated Russian entry only.

Section 2

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.00525 S

Section 3

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
23000 Ω
Amplification factor
1.1

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

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Nominal heater voltage

    6.3 V

    Published source value

  • Nominal heater current

    600 mA

    Published source value