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5AR4 / GZ34 tubes
This rare 1958 Amperex GZ34 / 5AR4 rectifier tube has dual D getters and smooth gray plates (f31 series). It has the Bugle Boy label and the Sittard factory code is etched in the glass. Tube tests as new.
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The 1963 GE 5AR4 / GZ34 rectifier tube was made in Owensboro, Ky and labeled for Scott amplifiers. It has smoked glass, gray plates with copper lining, and a halo getter. The black base has white print. Tube tests as new.
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This 1960s Mullard GZ34 / 5AR4 rectifier tube was made in Great Britain and labeled for other companies (Hammond, Everett, etc.). It has plates with 4 notches (f32 series). The Blackburn, UK factory code is etched in the glass. Tube tests as new.
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This 1962 Mullard GZ34 / 5AR4 rectifier tube was made in Great Britain and has the Amperex Bugle Boy label. It has a medium bottle and 4-notch plates (f32 series). The Blackburn, UK factory code is etched in the glass. Tube tests as new.
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The 1964-5 Mullard GZ34 / 5AR4 rectifier tubes in this precisely matched pair have short bottles and 4 notch plates (f32 series). Labels are missing, but the Blackburn, UK factory codes are etched in the glass. Both tubes test as new.
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The 1968 Mullard GZ34 / 5AR4 rectifier tubes in this precisely matched pair were made in Great Britain (f32 series). They have gray plates with 7 notches. The yellow label has the Realistic Lifetime logo. Both tubes test as new with balanced diodes.
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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 "big bottle" 1970s Sylvania 5AR4 / GZ34 tube was made in the USA and labeled for Philips. It has smooth 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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