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Power - Beam (NOT sweep) ·BeamPower

6V6EH

Modern beam tetrode designed for low-frequency power amplification in high-fidelity audio-output stages.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7AC
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 500 mA

Description

Beam tetrode for low-frequency power amplification in HI-FI audio output stages.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7AC
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
500 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7AC - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Pin 1—NCVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN2Pin 2—H — HeaterVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN3Pin 3AP — Plate (Anode)Verified

12L6GT/25L6GT manufacturer basing, 7AC

PIN4Pin 4AG2 — Screen GridVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN5Pin 5AG1 — Control GridVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN7Pin 7—H — HeaterVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN8Pin 8ABP — Beam-Forming PlateGroup AC8Verified

12L6GT/25L6GT manufacturer basing, 7AC

PIN8Pin 8AK — CathodeGroup AC8Verified

12L6GT/25L6GT manufacturer basing, 7AC

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.0041 S
Max plate voltage
350 V
Max screen voltage
315 V
Max plate dissipation
13.2 W
Max screen dissipation
2.2 W

Published ratings and characteristics promoted from the approved source.

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.

No source-specific operating conditions are recorded.