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5AR4 / GZ34 tubes
This 1962 Mullard GZ34 / 5AR4 rectifier tube has plates with 4 notches and a hole in the centering pin (f32 series). The Blackburn, UK factory code is etched in the glass. Tube tests as new.
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This 1964 Mullard GZ34 / 5AR4 rectifier tube was made in Great Britain. It has plates with 4 notches, and a hole in the centering pin (f32 series). The white print on the glass has the Amperex Bugle Boy label (see photo). Tube tests as new.
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This Sovtek 5AR4 / GZ34 rectifier tube has one of the best reputations for new production rectifier tubes at a very affordable price. It was made in Russia by New Sensor corporation and ships in a Sovtek retail box.
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The Sovtek 5AR4 / GZ34 rectifier tubes in this precisely matched pair have one of the best reputations for new production rectifier tubes at a very affordable price. They are tested and matched according to their voltage drop across each section.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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