GZ34 5AR4 CV1377 VALVE RECTIFIER VARIOUS MANUFACTURERS

octal based biphasic HT rectifier valve
Manufacturers: Amperex , Brimar , Ediswan , Mazda , Mullard , RCA , Valvo
The GZ34 is a high current bi-phasic rectifier havong a squat envelope profile.  These devices are indrectly heated with the cathode tied to one side of the heater filament and powered from a grounded centre tapped transformer as each anode goes positive, current flows with rectification occurring at each half cycle with the product being full wave rectified HT.

This device is the rectifier of choice for so many classic valve hifi and guitar amplifiers it is hard to know where to start a list – Dynaco, Leak, Vox, the list goes on, but here we have a list of exotica where the GZ34 does duty:-

Cary PH302 phono
Donald North headphone amp
Dr. Z Z-28 (6V6 amp)
Dynaco ST-120 (ST120)
Dynaco ST-70
Fender guitar - various
Marshall guitar - various
Matchless Chieftan
Matchless Lightning 15
Matchless SC30
Melody H2A Integrated Amp
Modwright LS100
Modwright PS and 9.0 preamp
Pagano 300B SET
Prima Luna PL3 preamp
Scott LK-48
Supratek - various
Swart Atomic Junior
Trinity TC-15
Tubelab SE
Victoria Double Deluxe Tweed
Victoria Regal 2
VOX AC15, AC30
Woo Audio 6

 

 

 


 

 

 

Picture of BRIMAR WHITE PRINT GZ34 MULLARD BLACKBURN MANUFACTURED f32 B9L2 CODE
BRIMAR WHITE PRINT GZ34 MULLARD BLACKBURN MANUFACTURED f32 B9L2 CODE
A very nice EX EQUIPMENT device Brimar white print badged GZ34 although Mullard Manufactured carrying the date code of f32 B9L2 The black base is tight to the envelope and the pins are clean and uncorroded, . The device tests as FULL EMISSION using our AVO VCM163 valve tester.
Stock Code: B80
Availability: 1 in stock
Delivery date: 1 week
£85.00
Picture of GZ34 WHITE PRINT MULLARD BLACKBURN MANUFACTURED f32 B9L3 CODE
GZ34 WHITE PRINT MULLARD BLACKBURN MANUFACTURED f32 B9L3 CODE
A very nice EX EQUIPMENT device Mullard white print Blackburn manufactured carrying the date code of f32 B9L3 The black base is tight to the envelope and the pins are clean and uncorroded, . The device tests as FULL EMISSION using our AVO VCM163 valve tester.
Stock Code: c133
Availability: 1 in stock
Delivery date: 1 week
£85.00
Picture of RCA GZ34 RECTIFIER RED PRINT BLACK BASE
RCA GZ34 RECTIFIER RED PRINT BLACK BASE
A very nice EX EQUIPMENT device here in the form of an RCA red print black based GZ34. The black base is tight to the envelope and the pins are clean and uncorroded, . The device tests as FULL EMISSION using our AVO VCM163 valve tester.
Stock Code: 718
Availability: 1 in stock
Delivery date: 1 week
£50.00
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