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Mullard CV2748 / GZ30 / 5Z4GT - matched pair
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6 matched pair in stock
Item Number: 2004
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The 1960s military spec Mullard CV2748 / GZ30 rectifier tubes in this precisely matched pair are 5Z4 equivalents.
These slow-rise, indirectly-heated rectifiers should be considered an
upgrade for 5Y3 tubes in most circuits, and will drop slightly less
voltage.
They have gray plates, bottom O getters, and brown bases. The white print on the glass reads "CV2748 KB/DA" and the Blackburn, UK factory codes are etched in the glass.
Both tubes test as new. They ship in their original boxes.
This tube is sold as a matched pair. Photo is a sample from the lot. |
This 1960s military spec Mullard CV2748 / GZ30 rectifier is a 5Z4 equivalent. This indirectly-heated rectifier should be considered an upgrade for a 5Y3 tube in most circuits. The Blackburn, UK factory code is etched in the glass. 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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