BEL GZ34 / 5AR4 – SINGLE RECTIFIER TUBE (1 PC)
Top Double Ring Getter
Black Plate
Black Base
Made in India
High-Voltage Rectifier GZ34 / 5AR4
New in Original Box
Amplitrex AT1000 Tested
Up for sale is a single (1 pc) genuine vintage NOS BEL GZ34 / 5AR4 full-wave rectifier vacuum tube, manufactured in India by Bharat Electronics Limited (BEL) and complete with its original factory box. Built to exceptional quality standards utilizing rugged black plates, a sturdy black octal base, and a top double ring getter structure, BEL GZ34 tubes are highly regarded by audiophiles and amp builders for their robust build quality, excellent current delivery, and reliable voltage regulation. An exceptional replacement or upgrade rectifier for vintage tube amplifiers, guitar amps, and hi-fi power supplies.
This tube has been fully tested on a precision Amplitrex AT1000 tube tester. Measured Diode Forward Voltage Drop (FWD in Volts) and Reverse Breakdown / Leakage parameters (REV in Volts) are detailed in the table below.
| Serial No. | Diode Section | Forward Voltage Drop (FWD) | Reverse Voltage (REV) | ||
|---|---|---|---|---|---|
| Result (V) | Status | Result (V) | Status | ||
| SR.NO.1706035 | Diode A (A) | 35 V | Strong | 407 V | Pass |
| Diode B (B) | 31 V | Strong | 408 V | Pass | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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