There should be many tubes that can be used in this cct.
I use a 1AG5, changed some resistors, different pinout, maybe it
doesn't sound the same as Ken's but it certainly works.
Look for pentodes with 1.2V (1.25V ok too!) directly heated cathodes
and other similar specs on this list -
http://pw2.netcom.com/~wa2ise/radios/penciltubes.html
andrew
I use a 1AG5, changed some resistors, different pinout, maybe it
doesn't sound the same as Ken's but it certainly works.
Look for pentodes with 1.2V (1.25V ok too!) directly heated cathodes
and other similar specs on this list -
http://pw2.netcom.com/~wa2ise/radios/penciltubes.html
andrew
--- In cgs_synth@yahoogroups.com, Mark <yahoogroups@...> wrote:
>
> On 3/11/07, kidkrazy58 put forth:
> >Is there any substitutes that would work for that module cause i cant
> >find that russian tube and i really want to make it very badley, it
> >looks beutifull!! the more subs that you might know of the better
> >chance i can find it and make it, thanks for the help.
>
> I do not know if there are any other substitute besides the one
> listed at the CGS website, which mentions the 1J17B with a slight
> modification.
>
> After doing a web search, I found that they are available from a
> couple of European vendors and on Ebay.
>
>
> Has anyone found any data sheets on these tubes?? I found this page
> for a "1Zh24B" which I am guessing is the same as a 1SH24B:
>
> http://www.russiantubes.com/prop.php?t=12&p=7
>
> Unfortunately, it doesn't show the pinouts. Does anyone know what
> pin 3 does?? I am unfamiliar with the symbol in the CGS 65 schematic.
>
>
> I also found this data sheet, complete with what I imagine are E/i
curves:
>
> http://home.arcor.de/rhapidophyllum/1j24b.gif
>
> There also several other PDF's here:
>
> http://mitglied.lycos.de/bk4/tubes.htm
>
> However, I cannot understand them because I do not speak Russian or
German.
>
