Thats a great idea as I was wondering about it also On Thu, Mar 26, 2009 at 9:02 PM, <[email protected]> wrote: > > Ken, that sounds great. We could also post it online for others. > > Thanks... > > Steve WD8DAS > > [email protected] > http://www.wd8das.net/ > --------------------------------------------------------- > Radio is your best entertainment value. > --------------------------------------------------------- > > > -----Original Message----- > From: Ken Zuercher <[email protected]> > To: Discussion of AM Radio in the Amateur Service > <[email protected]> > Sent: Thu, 26 Mar 2009 8:36 pm > Subject: Re: [AMRadio] Tube Theremin > > > > > Steve, > I have a manual for what I believe is the first commercially available > Theremin > made by RCA in the 1930's. It uses the same hetrodyning principal but > uses some > oddball transformers that would give us fits to replicate. I can try to > scan the > manual with schematic if you're interested. It is fascinating. > Ken Zuercher KC8QO > > > --- On Fri, 3/20/09, [email protected] <[email protected]> wrote: > >> From: [email protected] <[email protected]> >> Subject: [AMRadio] Tube Theremin >> To: [email protected] >> Date: Friday, March 20, 2009, 4:08 PM >> I've got a new sort-of AM project on the bench here >> now:? a tube Theremin.? This musical instrument produces >> sound by heterodyning two >> oscillators that run in the low-end of the broadcast band. >> I'd like to find three Miller 70-OSC coils or >> equivalent for this rig - anyone have some?? >> >> >> >> If you are interested in the circuit, I'm building upon >> the ideas of Doug Forbes that I found online.? >> >> See >> >> http://www.wd8das.net/theremin.gif >> >> and >> >> http://www.wd8das.net/theremin.txt >> >> >> >> Thanks... >> >> >> >> >> >> >> >> >> >> >> >> Steve WD8DAS >> >> >> >> [email protected] >> >> http://www.wd8das.net/ >> >> --------------------------------------------------------- >> >> Radio is your best entertainment value. >> >> --------------------------------------------------------- >> >> >> ______________________________________________________________ >> Our Main Website: http://www.amfone.net >> AMRadio mailing list >> Searchable Archives: >> http://www.mail-archive.com/[email protected]/ >> List Rules (must read!): http://w5ami.net/amradiofaq.html >> List Home: http://mailman.qth.net/mailman/listinfo/amradio >> Post: [email protected] >> To unsubscribe, send an email to >> [email protected] with >> the word unsubscribe in the message body. >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: >> http://www.qsl.net/donate.html > ______________________________________________________________ > Our Main Website: http://www.amfone.net > AMRadio mailing list > Searchable Archives: > http://www.mail-archive.com/[email protected]/ > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Post: [email protected] > To unsubscribe, send an email to [email protected] with > the word unsubscribe in the message body. > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > > > > ______________________________________________________________ > Our Main Website: http://www.amfone.net > AMRadio mailing list > Searchable Archives: http://www.mail-archive.com/[email protected]/ > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Post: [email protected] > To unsubscribe, send an email to [email protected] with > the word unsubscribe in the message body. > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html >
-- Jim Isbell "If you are not living on the edge, well then, you are just taking up too much space." ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/[email protected]/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: [email protected] To unsubscribe, send an email to [email protected] with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

