Nos in box Classic Full-Wave Rectifier made in USA.
Heater Voltage ............................................ 6.3 V
Heater Current ............................................. 0.5 A
Maximum Heater-Cathode Voltage ................ 500 V
Output Current ............................................. 60 mA

Made in Holland.

One of excellent rectifier tube from EU. Very good for Pre or Amplifier.

Nos in original box. Matched pair and quad are available.

Made in G.Britain by Mullard.
One of special nine pins full-wave rectifier tube. High output current and small size make it especially suitable for compact amplifier designs. Very good for Pre-amplifier.

Nos in original box.

Made in G. Britain by Mullard.
One of special nine pins full-wave rectifier tube. . 
High output current and small size make it especially suitable for amplifier designs.
Very good for Pre-amplifier.
Used but tested very good as nos tubes. Matched pair are available.

Made in Holland by Amperex.
One of special nine pins full-wave rectifier tube. This is 45 degree O-Getter. 
High output current and small size make it especially suitable for amplifier designs.
Very good for Pre-amplifier.
Nos in original box. Matched pair are available.