Genalex
Gold Lion GZ34 / 5AR4 / U77 Rectifier Vacuum Tube
$116.64 USDPay Over Time
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Features
Robust construction for exceptional durability and longevity
Compatible with any circuit using a 5AR4 tube
Also known as U77 in European naming conventions
Delivers the very best high-end audio sound quality
Rigorously tested to meet Genalex Gold Lion standards
To be labeled Genalex Gold Lion, tubes must endure and pass the toughest testing the industry offers.
What's in the Box?
Warranty
The Genalex Gold Lion GZ34 / U77 rectifier tube is smooth, refined, and balanced for the very best high-end audio sound. This GZ34 (5AR4) vacuum tube is robust and works great in many circuits. U77 is one of the European names for the 5AR4 and is compatible with any circuit using a 5AR4 tube.
| Parameter | Specification |
|---|---|
| Physical Specifications | |
| Tube Type | GZ34 / 5AR4 / U77 Rectifier |
| Rectifier Design | Full-wave, dual diode |
| Manufacturing | Made in Russia |
| Compatibility | Compatible with circuits using 5AR4 or GZ34 tubes |
| Electrical Specifications | |
| Filament Voltage | 5V (typical) |
| Maximum Anode Current | 825mA |
| Maximum Rectified Current (Average) | 250mA |
| Maximum Anode Reverse Voltage | 1500V |
| Construction Specifications | |
| Heater Type | Indirectly heated |
| Quality Rating | Audiophile rated |
| Performance Specifications | |
| Performance Characteristics | Strong, dynamic response |
| B+ Voltage Drop | 10V drop in plate voltage at full current demand |
| Typical Applications | Guitar amplifiers and hi-fi audio equipment |