6C4/CV133/EC90 Mullard NOS, milspec, rectangular getter, x-rare!

20,00 

3 in stock

Description

Mullard 6C4/CV133/EC90 

One (1) piece!

These tubes come with grey plates and big rectangualar getter. Different print styles available, some printed Mullard, some Valvo, some Philips. Please see example pictures! Other than that all tubes are exactly the same inside and out and come with Mullard Whyteleafe codes.

We reserve the right to deliver either print style, since our stock is rather limited

These tubes are from the early 1950ies. 

These tubes came in bulk from Swiss army surplus. All tubes are tested and burned-in/pre-aged (hence the colors on the tubes). The burn-in was done to secure stabilized operation in highly sensitive measuring instruments. 

Some tubes may carry values written on them by the army personal or may have faded prints. This does of course not affect the proper operation.

All tubes are guaranteed to test as new!

Additional information

Weight20 g
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