GZ32 Mullard Tungsram 5AQ4 52KU Square getter R71 pair rectifiers tested 100%

Description

The GZ32 is a medium power indirectly heated full wave rectifier for all use both in audio amplification and radio.

The early GZ32 made by Philips Mullard have numbers on glass with special glass treatment, usually cup or full getter, but also square and round getter 

This time AudioMagical offers a pair of genuine 1960s Mullard Tungsram type GZ32 5AQ4

Both valves have same shape

Pair of Mullard Tungsram BVA GZ32 square getter code on glass R71 etc.

Excellent with all vintage and modern amplifiers

Tested with AVO VCM 163

Each valve tested 100% with A1=A2 100% balanced