[R-390] 26Z5W replacement

[EA2IG]

Hi.
About 2003 on the list some one put a message about using a two 6V4´s
instead of the 26Z5W.
Itrequired some rewiring of the sokets, an change the fil alimentation from
pin 8 to pin 9 on the power transformer.
Excuse my poor english
Regards. Pedro
----- Original Message ----- 
From: "Michael Murphy" <mjmurphy45 at comcast.net>
To: <r-390 at mailman.qth.net>; <N4BUQ at aol.com>
Sent: Saturday, October 22, 2005 2:10 AM
Subject: Re: [R-390] 26Z5W replacement


> Hey Barry,
>
> Is there a possibility that a 12BH7 dual triode could be wired as a dual
> diode? I'm not sure about the current capability but it has some good
> power
> specs and should have the reverse PIV because of its service as a vertical
> deflection amp.
>
> Mike WU2D
>
> ----- Original Message ----- 
> From: "g kwitka" <kc0lwn at yahoo.com>
> To: "Barry" <n4buq at aol.com>; <r-390 at mailman.qth.net>
> Sent: Friday, October 21, 2005 10:57 AM
> Subject: Re: [R-390] 26Z5W replacement
>
>
>> Barry!
>>
>> Thanks.
>> I found what you were talking about on the web.
>>
>> Here is the link.
>> http://www.mines.uidaho.edu/~glowbugs/r390_psmod.htm
>>
>> George
>>
>> --- Barry <n4buq at aol.com> wrote:
>>
>> > There used to be an excellent article about using
>> > 12BW4's at this link:
>> >
>> >
>> http://www.xmission.com/~cwest/Reference/12BW4Mod.pdf
>> >
>> > However, that link is now "404".  Does anyone have a
>> > copy of that article?
>> > I bought some 12BW4's with the express purpose of
>> > trying that mod, but I
>> > don't think I kept a copy of the article  :(
>> >
>> > Thanks,
>> >
>> > Barry - N4BUQ
>> >
>> > ----- Original Message ----- 
>> > From: "g kwitka" <kc0lwn at yahoo.com>
>> > To: <r-390 at mailman.qth.net>
>> > Sent: Friday, October 21, 2005 9:14 AM
>> > Subject: [R-390] 26Z5W replacement
>> >
>> >
>> > Has anyone tried rewiring the rectifier scoket and
>> > using another rectifier tube in its place instead of
>> > going solid state and wiring in a resistor?
>> >
>> >
>> >
>> > __________________________________
>> > Yahoo! FareChase: Search multiple travel sites in
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>> >
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>>
>>
>>
>>
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