Guillermo, the EIMAC datasheet for the 4CX250B/7203 and 4CX250FG/8621 (same
datasheet) shows 30 seconds minimum, 60 seconds nominal warm-up time. The
introduction states that the tubes are identical except for the filament I
and E.
Regards, Bill N2BC
~~~~~~~~~~~~~~~~
Bill Coleman N2BC
http://home.stny.rr.com/n2bc
----- Original Message -----
From: "GGLL" <nagato@arnet.com.ar>
To: "Amplificadores Lineales" <amps@contesting.com>
Sent: Wednesday, June 18, 2003 8:27 AM
Subject: [Amps] 4CX250B/F
> Reading RCA manual I've seen that 4CX250B (6V heater) tube requires
> no warm-up period, but 4CX250F (26 V heater) a 30 seconds period, why
> the difference?
>
> Best regards and TIA
> Guillermo - LU8EYW.
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
|