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6CA4 / EZ81 tubes

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Mullard EZ81 / 6CA4 - Bugle Boy label
Mullard EZ81 / 6CA4 - Bugle Boy label
Price: $47.00
Mullard EZ81 / 6CA4 - Bugle Boy label
This 1962 Mullard EZ81 / 6CA4 tube was made in Great Britain (Blackburn factory) and labeled for Amperex. It has a gray plates and an early D getter (8t1 series). The white print on the glass has the Bugle Boy label. Tube tests as new.
Mullard EZ81 / 6CA4
Mullard EZ81 / 6CA4 - shield logo
Price: $49.00
Mullard EZ81 / 6CA4 - shield logo
This 1959 Mullard EZ81 / 6CA4 rectifier tube has gray plates and a D getter. The white print on the glass has the early shield logo and the Blackburn UK factory code is etched in the glass. Tube tests as new.
Mullard EZ81 / 6CA4
Mullard EZ81 / 6CA4 - various labels
Price: $44.00
Mullard EZ81 / 6CA4 - various labels
This 1958 Mullard EZ81 / 6CA4 rectifier tube was made in Great Britain and labeled for other companies. It has gray plates and a halo getter (8t1 series). The Blackburn, UK factory code is etched in the glass. Tube tests as new.
Sylvania 6CA4 / EZ81
Sylvania 6CA4 / EZ81 - various labels
Price: $24.00
Sylvania 6CA4 / EZ81 - various labels
This 1960s Sylvania 6CA4 / EZ81 has gray plates and a halo getter. The label on the glass is partial/missing. 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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