Tube Amp Doctor (TAD) GZ34-STR REDBASE (5AR4) Rectifier Tube

Brand: Tube Amp Doctor
Product Code: TAD-RT501
Warranty: 6 Months
$79.00
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Tube Amp Doctor
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TAD GZ34-STR REDBASE

A faithful reproduction of the Mullard/VALVO GZ34 with the perfection of our REDBASE™ series.

Pure power and the typical sag have been the distinguishing characteristics of the most popular guitar amps of guitar heroes since the 1960s.

Equivalent to 5AR4, can replace 5U4GB and 5U4G.

TAD Premium Selection

Q: When does a tube become a Premium Selected tube?

A: All tubes labelled Premium Selected have passed the following tests:

  • Plate Current (PC) and Amplification (TC)
  • Low Noise Test
  • Microphonic Test
  • Sonic Test
  • Shock Test
  • Listening Test
  • Shorts & Leakage Test
Electrical Characteristics
Heater Indirecty Heated Cathode
Voltage (AC) 5.0 V ±8%
Current 2.1 A
Cathode Coated, Unipotential
Mechanical
Operating Position Any
Base Octal, 8-Pin
Dimensions - Height 84 mm
Dimensions - Seated Height 70 mm
Dimensions - Diameter 32 mm
Dimensions - Base Diameter 32.5 mm
Cooling Convection
Approximate Net Weight 40 g (1.41 oz.)
Maximum Ratings
Maximum Peak Inverse Voltage 1500 V
Maximum Peak Current (Per Plate) 700 mA
Maximum Plate Voltage (RMS) Per Plate 550 V
Maximum DC Output Current 250 mA
DC Plate Voltage 800 V
Maximum Capacitive Load 60 uF
Bulb Temperature (Surface Hottest Point) 250° C
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