|
|
6X4 / 6202 / EZ90 tubes
This 1963 Mullard EZ90 rectifier is a 6X4 tube type made in Great Britain. It has gray plates and a D getter. The red print on the glass is labeled for 3M. The Blackburn, UK factory code is etched in the glass. Tube tests as new.
|
This 1950s RCA 6X4 rectifier tube has black plates and a D-getter. The white or red print on the glass has the RCA logo (may be partial / missing). Tube tests as new.
|
This 1960s RCA 6X4 rectifier tube has black plates and a halo getter. The red print on the glass has the RCA logo (may be partial). Tube tests as new.
|
This 1950s Sylvania 6X4 rectifier tube has shiny black plates and a windmill getter. The green print on the label has the Sylvania lightning logo. Tube tests as new.
|
This 1950s Tung-Sol 6X4 rectifier tube has black "X" style plates and a side D getter. The white label has the Tung-Sol logo. Tube tests as new.
| |
|
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.
|
|