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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 1973 Mullard GZ34 / 5AR4 full-wave rectifier tube was made by Mullard and labeled for Sylvania. It has 7-notch plates 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 1960s GZ34 / 5AR4 tube was made in Japan and labeled for Raytheon (partial). It has gray plates and a halo getter. Excellent quality at an affordable price. 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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