[Amps] Power from Pair of Eimac 4 x 150 a / 7034?

Fuqua, Bill L wlfuqu00 at uky.edu
Sat Dec 27 18:20:35 EST 2014


  EIMAC 4X150A/7034 have same specifications as a 4CX250B.
The characteristic curves are identical. The only real difference is that the 
insulator between plate and screen ring is glass and not ceramic. So it would
probably be best to give them a little extra cooling if you are pushing them.
  There are several different 4X150A tubes. Not all are 7034. 

73
Bill wa4lav

________________________________________
From: Amps [amps-bounces at contesting.com] on behalf of RMorris [robrk at nidhog.net]
Sent: Saturday, December 27, 2014 5:12 PM
To: qrv at kd4e.com
Cc: amps at contesting.com
Subject: Re: [Amps] Power from Pair of Eimac 4 x 150 a / 7034?

On Dec 27, 2014, at 1:34 PM, qrv at kd4e.com wrote:

> What is the probable output of an amp using
> a pair of Eimac 4 x 150 a / 7034  tubes on 6M?
>
>

Guess at 2X the plate dissipation (Max)...  2 X300 = 600.

Build it so, later, you can plug in 4x250's or 350's.
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