Mullard GZ33
- ✅ Brand: Mullard
- ✅ Model: GZ33
- ✅ Plate Type: Grey Plate
- ✅ Getter Type: D Getter
- ✅ Base Type: Brown Base
- ✅ Origin: Made in Great Britain
- ✅ Condition: New in White Box
- ✅ Special Note: Sound in Base
- ✅ Condition: Tested on Amplitrex AT1000
Testing Information
| Serial No. | A FWD (V) | A REV (V) | B FWD (V) | B REV (V) |
| 734001 | 7 | 408 | 15 | 409 |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
About This Tube
The Mullard GZ33 is a premium full-wave rectifier well known for its rugged construction, long lifespan, and stable performance under heavy load. Originally produced in Great Britain, this tube is widely used in high-end audio amplifiers, vintage equipment, and power supply designs requiring strong and reliable rectification.
With its grey plates, D-getter, and classic brown base, the GZ33 is considered one of Mullard’s finest rectifiers, delivering smooth voltage regulation and exceptional durability favored by audiophiles and collectors.
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