[Hallicrafters] Hallicrafters HT-33A

[David C. Hallam]

While the 4CX1500A and 5CX1500A are excellent tubes and rugged as hell, they
have one draw back.  They require 40 amps for the filament.  I have a HB
linear with a 4CX1500A running grid driven like the HT-33A.

David
KC2JD/4

> -----Original Message-----
> From: hallicrafters-bounces at mailman.qth.net
> [mailto:hallicrafters-bounces at mailman.qth.net]On Behalf Of Carl
> Sent: Thursday, September 18, 2008 10:08 PM
> To: gzook at yahoo.com; hallicrafters at mailman.qth.net
> Subject: Re: [Hallicrafters] Hallicrafters HT-33A
>
>
> There are several choices from the USA, China, and Svetlana depending on
> work involved and acceptable expense.
>
> 4CX1000A, 4CX1500A & B, 4CX1600B, 5CX1500A & B.
>
> There are also numerous Russian triodes as well as the USA 3CX1000A7 and
> the 8877.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Glen Zook" <gzook at yahoo.com>
> To: <hallicrafters at mailman.qth.net>
> Sent: Thursday, September 18, 2008 8:31 PM
> Subject: [Hallicrafters] Hallicrafters HT-33A
>
>
> >I just obtained a Hallicrafters HT-33A linear with a bad final
> >(PL-172).  I believe that there have been some articles on changing out
> >the tube with a more readily available tube.  However, I have been
> >looking on the Internet and just cannot find any.  In this case google
> >is not my friend!
> >
> > Does anyone have a suggestion as to where I might locate this
> > information?
> >
> > Glen, K9STH
> >
> > Website:  http://k9sth.com
> >
> >
> >
> > ______________________________________________________________
> >
>
> ______________________________________________________________
>
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