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5AR4 / GZ34 tubes
This 1960s Mullard GZ34 / 5AR4 rectifier tube has plates with 4 notches and a hole in the centering pin (f32 series). It was made in Great Britain and labeled for other companies. The Blackburn, UK factory code is etched in the glass. Tube tests as new.
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This 1970s Mullard GZ34 / 5AR4 full-wave rectifier tube has 7 notches and a hole in the centering pin (f32 series). It is labeled for various companies and the Blackburn, UK factory code is etched in the glass. 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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This 1960s GZ34 / 5AR4 tube was made in Japan and labeled for Triad. It has gray plates and a halo getter. Excellent quality at an affordable price. Tube tests as new.
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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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