No subject

[Misic, George J.]

Hello,

Has anybody seen anything on using the 4CX400A in place of the 8072, 8121,
or 8122?  Inquiring minds with Signal One CX-7s and National NCL-2000s want
to know!  Thanks and 73.

George KE8RN

Another thought; these may work in the Dentron MLA-2500 to replace the
8875s.

> -----Original Message-----
> From: Bill Smith [SMTP:shadow1 at JAGUARSYSTEMS.COM]
> Sent: Sunday, February 07, 1999 4:50 PM
> To:   HEATH at LISTSERV.TEMPE.GOV
> Subject:
>
> FYI,
> I ran across this on the Svetlana Web Site (
> <http://www.svetlana.com/docs/dictionary.html>.)  May be an alternative
> for SB-230s with bad tubes.
> Bill KO4NR
>
> 8873--conduction-cooled tetrode, popular in amateur radio linear amps
> (Heathkit SB230)--made in USA. Suggest retrofit with Svetlana 4CX400A or
> 4CX800A. Svetlana has Technical Bulletins Nos. 14 and 19, describing this
> retrofit into similar amateur linear amplifiers. The 8874 can also be
> retrofitted (see 8874).
>
>

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