Re: unknown tube (fwd)

---------- Forwarded message ----------
Date: Wed, 29 Apr 1998 16:06:03 EDT
From: Mark S Graalman <wb8jkr-at-juno-dot-com>
To: tesla-at-pupman-dot-com
Subject: Re: unknown tube (fwd)

  Nick, I can't find a listing for a 527B, are you sure its
not a 572B/T160L ? If it is a 572B, its basically a heavy duty
811A with a plate dissipation of 160 watts, maximum plate
voltage rating of 2750 volts, and maximum plate current
rating of 275 ma. the filament rating is the same as the
811A as is the base/pin out

Mark Graalman

On Wed, 29 Apr 1998 12:25:24 -0600 (MDT) Tesla List <tesla-at-pupman-dot-com>
>---------- Forwarded message ----------
>Date: Thu, 30 Apr 1998 09:30:55 -0700
>From: nick <nick-at-erie-dot-net>
>To: tesla-at-pupman-dot-com
>Subject: unknown tube
>Is there anyone out there that would like to part with a rca 
>tube book?
>Yet again I have a unknown tube, it is a 527B. I would like to know 
>spects on it.
>I think they are triods?
>I picked up two of them for free and would like to know if there good 
>tesla use.
>nick mcquiston

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