[Amps] NOS 4CX1000A test and reconditioning

["Hsu" <Jbenson@sohu.com>]

Hi, I will send some NOS Chinese metal-cermic 4CX1000A(we called FU-100F)tubes 
to some guys in the list.
  I think I should test every tube after I send them.But I have not any amp 
using 4CX1000A,(the project are now planning), Could someone can tell me how I 
can test and  recondition(procedure) the tube?I have a 2X1480V AC HV 
transformer,(800VA), the filament  and grid PS, a 1000VA variac, certainly , I 
have many current and volt meters. Thanks in advance!
    73! Hsu 
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