Kinda scratching my head here, if the primary voltage is passing thru a rheostat, why the need for 100 volt primary trannys? Regards, Gary...WZ1M ----- Original Message ----- From: "ARS W5OMR" <[EMAIL PROTECTED]> To: "Discussion of AM Radio in the Amateur Service" <[email protected]> Sent: Monday, February 19, 2007 12:51 AM Subject: Re: [AMRadio] Transformers Revised
> On 2/18/07, Rick Brashear <[EMAIL PROTECTED]> wrote: > > I just made a discovery. The BT-20-A broadcast transmitter uses several > > filament transformers for the various stages. All of them are rated at > > 100 volts AC primary. All of the primaries pass through a voltage > > adjusting rheostat and volt meter to insure proper filament voltage on > > all tubes. So, my earlier request for a 115 vac primary filament > > transformer was wrong. It needs to have a 100 vac primary. > > I've seen a lot of filament transformers that had 0 - 100 - 105 - 110 > taps on the primary, with one secondary. They're out there, Rick. > > What voltages do you need? I might have one. > > -- > Operating your AM rig without a scope > is like driving our car at night without headlights.(~K4KYV) > > 73 = Best Regards > -Geoff/W5OMR > ______________________________________________________________ > AMRadio mailing list > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > To unsubscribe, send an email to [EMAIL PROTECTED] with > the word unsubscribe in the message body. > > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.412 / Virus Database: 268.18.2/692 - Release Date: 2/18/2007 > > ______________________________________________________________ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
