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Rectifier - Full Wave ·Rectifier-Rectifier

GZ34

Indirectly heated twin-anode full-wave rectifier for capacitor- or choke-input supplies. Its five-volt heater, substantial current capability, and low forward drop suit demanding amplifier power supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
Octal
Socket code
IO
Base pins
8
Nominal heater
5 V / 1.9 A

Description

Twin-anode full-wave rectifier for capacitor-input or choke-input power supplies.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
Octal
Socket code
IO
Base pins
8
Nominal heater voltage
5 V
Nominal heater current
1.9 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Octal - 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

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
1500 V
Rectifier nominal output current
250 mA
Rectifier peak forward current
825 mA
Rectifier forward voltage drop
17 V

Representative section for two electrically identical sections.

Section 2

Rectifier

X-ray radiationInterelectrode capacitances
Rectifier peak inverse voltage
1500 V
Rectifier nominal output current
250 mA
Rectifier peak forward current
825 mA
Rectifier forward voltage drop
17 V

Second physical rectifier section; promoted electrical properties populated from identical section.

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

1953 Amperex

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Maximum AC supply plate-to-plate voltage RMS

    1100 V

    Published source value

  • Maximum capacitor-input filter capacitance

    60 uF

    Published source value

  • DC output current, capacitor-input filter

    250 mA

    CapacitorInputFilter

  • DC output current, choke-input filter

    250 mA

    ChokeInputFilter

Data set 02

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater voltage

    5 V

    Published nominal value

  • Heater current

    1.9 A

    Published nominal value

Other

  • Maximum rectifier capacitor

    60 uF

    Capacitor-input service

Data set 03

1956 Amperex Hi Fi Brochure

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC Supply Plate-to-Plate RMS Voltage

    1100 V

  • Maximum Reservoir Capacitance

    60 uF

    CapacitorInputFilter

  • DC Output Current

    250 mA

Data set 04

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC supply voltage per plate

    550 V RMS

    CapacitorInputFilter

  • DC output current

    250 mA

    CapacitorInputFilter

  • Maximum input capacitor

    60 µF

    CapacitorInputFilter

  • DC output voltage

    610 V

    CapacitorInputFilter

Data set 05

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • RMS Input per Anode

    300 V

    CapacitorInputFilter

  • DC Output Current

    250 mA

    CapacitorInputFilter

  • Reservoir Capacitance

    60 uF

    CapacitorInputFilter

  • Choke Inductance

    10 H

    ChokeInputFilter

Data set 06

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • AC supply voltage per plate

    550 V RMS

    FullWave

  • DC output current maximum

    250 mA

    FullWave

  • Maximum input capacitor

    60 µF

    CapacitorInputFilter

  • DC output voltage

    610 V

    FullWave

Data set 07

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater Voltage

    5 V

  • Heater Current

    1.9 A

Other

  • Peak Inverse Voltage

    1500 V

  • Peak Anode Current

    750 mA

  • Maximum Reservoir Capacitance

    60 uF

  • RMS Input Voltage per Anode

    300 V

    CapacitorInputFilter

  • DC Output Current

    250 mA

    CapacitorInputFilter; VaRMS=300V

  • DC Output Voltage

    330 V

    CapacitorInputFilter; VaRMS=300V

  • RMS Input Voltage per Anode

    400 V

    CapacitorInputFilter

  • DC Output Current

    250 mA

    CapacitorInputFilter; VaRMS=400V

  • DC Output Voltage

    430 V

    CapacitorInputFilter; VaRMS=400V

  • RMS Input Voltage per Anode

    500 V

    CapacitorInputFilter

  • DC Output Current

    200 mA

    CapacitorInputFilter; VaRMS=500V

  • DC Output Voltage

    560 V

    CapacitorInputFilter; VaRMS=500V

  • RMS Input Voltage per Anode

    550 V

    ChokeInputFilter

  • DC Output Current

    225 mA

    ChokeInputFilter; VaRMS=550V

Data set 08

1967 Mullard Receiving Tubes for Maintenance

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • P.I.V. max

    1500 V

    Published in approved GZ34.pdf target datasheet; Section1

  • C max

    60 µF

    Published in approved GZ34.pdf target datasheet; Section1

  • lout m ax. 250 250 250 250 200

    160 mA

    Published in approved GZ34.pdf target datasheet; Section1

  • lou t max . 250 250 250 250 250

    225 mA

    Published in approved GZ34.pdf target datasheet; Section1

  • ISSUE

    2 G

    Published in approved GZ34.pdf target datasheet; Section1

Data set 09

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater or filament voltage

    5 V

    Published nominal or stated operating value

  • Heater or filament current

    1.9 A

    Published nominal or stated operating value

Other

  • Maximum rectifier capacitor

    60 uF

    Capacitor-input filter

  • Choke-input service

    TRUE

    Published

Data set 10

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • TransformerVoltage

    450 V RMS

    FullWave;PerAnode

Data set 11

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • AC Plate-to-Plate Supply Voltage (rms)

    550 volts

    Published value from supplied target entry

  • EffectivePlate-Supply Impedance per Plate

    200 ohms

    Published value from supplied target entry

  • Average Output Current

    160 mA

    Published value from supplied target entry

  • Average Output Current

    225 mA

    Published value from supplied target entry

  • Tube Voltage Drop for plate current of

    225 mA

    Published value from supplied target entry

Other

  • DC Output Voltage at Input to Filter

    620 volts

    Published value from supplied target entry

  • DC Output Voltage at Input to Filter

    465 volts

    Published value from supplied target entry

Data set 12

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

  • Transformer voltage Vir

    450 V

    Transformer voltage Vir 2x450 VRMS

  • D.C. current I,

    250 mA

    D.C. current I, 250 mA

  • Heater voltage V¢

    5 V

    Heater voltage V¢ 5 Vv

  • Heater current Ie

    1.9 A

    Heater current Ie 1.9 A

  • Transformer voltage

    400 V

    Transformer voltage 2x300 2x350 2x400 VRMS

  • D.C. current

    250 mA

    D.C. current 250 250 250 mA

  • Transformer voltage

    350 V

    Transformer voltage 2x450 2x500 2x350 VRMS

  • D.C. current

    160 mA

    D.C. current 250 200 160 mA

  • Transformer voltage

    550 V

    Transformer voltage 2x450 2x500 2x550 VRMS

  • D.C. current

    225 mA

    D.C. current 250 250 225 mA

  • peak inverse Va'xnvp max

    1500 V

    peak inverse Va'xnvp max. 1500 V

  • Anode peak current Iap max

    750 mA

    Anode peak current Iap max. 750 mA

  • voltage Ver

    550 V

    voltage Ver 2x300 2x350 2x400 2x450 2x500 2x550 VRS

  • peak inverse Vainvp max

    1500 V

    peak inverse Vainvp max. 1500 V

Data set 13

2026 Genalex Rebrand

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

  • DiodePlateCurrent

    180 to 280 mA

    Plate 17 V

Other

  • RectifiedCurrent

    180 mA

    Transformer secondary 2 x 550 V; load 3000 ohm; cathode-chain capacitance 40 µF

  • Peak Plate Current

    825 mA

  • TurnOnSurgeCurrent

    3.7 A

Data set 14

2026 Mullard Rebrand

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

  • Heater current

    1.7 A to 2.1 A

    Published min/max range

Other

  • Current surge at turn-on

    3.7 A

    Published limiting value