thank you Max. Thank you. Horns are amazing, hard to perfect, but they can take a 4 inch speaker and after (oh about 20 ft of travel) come out with an in-phase 16 cycle note at 86db. that's blows my mind.
On Sat, 9 Jun 2007, Max Robinson wrote: > The telephone was always thought of as a one person device. The patented > magnetic recorder was, believe it or not, an answering machine. The > necessity for a group of people to listen to the same thing at the same time > came about with the marketing of the radio in the 1920s. The first loud > speakers were phonograph horns attached to a larger than usual telephone > receiver. You had it right but it took a while. > > Regards. > > Max. K 4 O D S. > > Email: [EMAIL PROTECTED] > > Transistor site http://www.funwithtransistors.net > Vacuum tube site: http://www.funwithtubes.net > Music site: http://www.maxsmusicplace.com > > To subscribe to the fun with tubes group send an email to, > [EMAIL PROTECTED] > > ----- Original Message ----- > From: <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Saturday, June 09, 2007 2:27 AM > Subject: Re: [BlindHandyMan] Eating crow. > > >> could he have then put a horn over that? >> >> On Fri, 8 Jun 2007, Max Robinson wrote: >> >>> Well boys and girls it's time for me to eat some crow. A Google search >>> on >>> Valdemar Poulsen turned up the following web site. >>> >>> http://www.amps.net/newsletters/issue27/27_poulsen.htm >>> >>> Valdemar Poulsen is the person who was named in the article Ray posted >>> about >>> sound recording. It seems that old Valdemar did invent magnetic >>> recording. >>> He actually did it in 1898 rather than 1887 as the article said. He was >>> only 18 years old in 1887. He did use telephone technology as I >>> suspected >>> but the playback did produce a strong enough signal to be heard in a >>> telephone receiver. Magnetic recording without tubes. Amazing. >>> >>> Regards. >>> >>> Max. K 4 O D S. >>> >>> Email: [EMAIL PROTECTED] >>> >>> Transistor site http://www.funwithtransistors.net >>> Vacuum tube site: http://www.funwithtubes.net >>> Music site: http://www.maxsmusicplace.com >>> >>> To subscribe to the fun with tubes group send an email to, >>> [EMAIL PROTECTED] >>> >>> >> >> >> To listen to the show archives go to link >> http://acbradio.org/handyman.html >> or >> ftp://ftp.acbradio.org/acbradio-archives/handyman/ >> >> The Pod Cast address for the Blind Handy Man Show is. >> http://www.acbradio.org/news/xml/podcast.php?pgm=saturday >> >> The Pod Cast address for the Cooking In The Dark Show is. >> http://www.gcast.com/u/cookingindark/main.xml >> >> Visit The Blind Handy Man Files Page To Review Contributions From Various >> List Members At The Following address: >> http://www.jaws-users.com/handyman/ >> >> Visit the archives page at the following address >> http://www.mail-archive.com/[email protected]/ >> For a complete list of email commands pertaining to the Blind Handy Man >> list just send a blank message to: >> [EMAIL PROTECTED] >> Yahoo! Groups Links >> >> >> >> >> >> >> -- >> No virus found in this incoming message. >> Checked by AVG Free Edition. >> Version: 7.5.472 / Virus Database: 269.8.13/842 - Release Date: 6/9/2007 >> 10:46 AM >> >> > > To listen to the show archives go to link http://acbradio.org/handyman.html or ftp://ftp.acbradio.org/acbradio-archives/handyman/ The Pod Cast address for the Blind Handy Man Show is. http://www.acbradio.org/news/xml/podcast.php?pgm=saturday The Pod Cast address for the Cooking In The Dark Show is. http://www.gcast.com/u/cookingindark/main.xml Visit The Blind Handy Man Files Page To Review Contributions From Various List Members At The Following address: http://www.jaws-users.com/handyman/ Visit the archives page at the following address http://www.mail-archive.com/[email protected]/ For a complete list of email commands pertaining to the Blind Handy Man list just send a blank message to: [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/blindhandyman/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/blindhandyman/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
