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  • Speaker identification



    I seem to remember that there is some system for identifying a particular speaker manufacturer and possibly other information by looking at the numbers that are often found stamped or printed on the speaker magnet or its frame. Can somone please tell me how? Or, is there a link that would tell me? I am not talking so much about the dimensions (I have a tape measure) or the impedance (I have a VOM). What I would like to know is the manufacturer and ratings in watts and possibly frequency range. </P>


    Roy</P>

  • #2
    Re: Speaker identification

    <P style="TEXT-ALIGN: center" align=center><FONT face="Times New Roman" size=3>Here is a list of some of the speaker manufacturers and their EIA codes:</FONT></P><PRE><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="Courier New"></FONT></o:p></PRE><PRE><FONT face="Courier New">Credence<SPAN style="mso-spacerun: yes"> </SPAN>117<SPAN style="mso-spacerun: yes"> </SPAN>Pyle<SPAN style="mso-spacerun: yes"> </SPAN>1098<SPAN style="mso-spacerun: yes"> </SPAN>Rola<SPAN style="mso-spacerun: yes"> </SPAN>285<SPAN style="mso-spacerun: yes"> </SPAN>Eminence<SPAN style="mso-spacerun: yes"> </SPAN>67<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></PRE><PRE><FONT face="Courier New"><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:stockticker>CTS</st1:stockticker><SPAN style="mso-spacerun: yes"> </SPAN>137<SPAN style="mso-spacerun: yes"> </SPAN>EV<SPAN style="mso-spacerun: yes"> </SPAN>649<SPAN style="mso-spacerun: yes"> </SPAN><st1:City><st1:place>Oxford</st1:place></st1:City><SPAN style="mso-spacerun: yes"> </SPAN>465<SPAN style="mso-spacerun: yes"> </SPAN>Altec/Lansing<SPAN style="mso-spacerun: yes"> </SPAN>391 <o:p></o:p></FONT></PRE><PRE><FONT face="Courier New"><st1:State><st1:place>Utah</st1:place></st1:State><SPAN style="mso-spacerun: yes"> </SPAN>328<SPAN style="mso-spacerun: yes"> </SPAN>Quam<SPAN style="mso-spacerun: yes"> </SPAN>270<SPAN style="mso-spacerun: yes"> </SPAN>Jensen<SPAN style="mso-spacerun: yes"> </SPAN>220<SPAN style="mso-spacerun: yes"> </SPAN>WeberVST<SPAN style="mso-spacerun: yes"> </SPAN>1279<o:p></o:p></FONT></PRE><PRE><FONT face="Courier New"><st1:City><st1:place>Cleveland</st1:place></st1:City><SPAN style="mso-spacerun: yes"> </SPAN>433</FONT></PRE><PRE><FONT face="Courier New"></FONT></PRE><PRE><o:p><PRE><FONT face="Courier New">1113 Acoustic Fiber Sounde<SPAN style="mso-spacerun: yes"> </SPAN>67 Eminence<SPAN style="mso-spacerun: yes"> </SPAN>706 Pioneer</FONT></PRE><PRE><FONT face="Courier New"> 101 Admiral<SPAN style="mso-spacerun: yes"> </SPAN>742 Esquire<SPAN style="mso-spacerun: yes"> </SPAN>1098 Pyle</FONT></PRE><PRE><FONT face="Courier New"> 391 Altec Lansing<SPAN style="mso-spacerun: yes"> </SPAN>1056 Fisher<SPAN style="mso-spacerun: yes"> </SPAN>270 Quam-Nichols</FONT></PRE><PRE><FONT face="Courier New"> 840 Ampex<SPAN style="mso-spacerun: yes"> </SPAN>188 General Electric<SPAN style="mso-spacerun: yes"> </SPAN>767 <st1:City><st1:place>Quincy</st1:place></st1:City></FONT></PRE><PRE><FONT face="Courier New"> 795 Atlas<SPAN style="mso-spacerun: yes"> </SPAN>794 Harman Kardon<SPAN style="mso-spacerun: yes"> </SPAN>277 Radio Speaker</FONT></PRE><PRE><FONT face="Courier New"> 119 Automatic Manufacturing 416 Heath<SPAN style="mso-spacerun: yes"> </SPAN>280 Raytheon</FONT></PRE><PRE><FONT face="Courier New"><SPAN style="mso-spacerun: yes"> </SPAN>24 Becker<SPAN style="mso-spacerun: yes"> </SPAN>575 Heppner<SPAN style="mso-spacerun: yes"> </SPAN>274 RCA</FONT></PRE><PRE><FONT face="Courier New"> 125 Bendix<SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"></SPAN>169 <st1:City><st1:place>Hitachi</st1:place></st1:City><SPAN style="mso-spacerun: yes"> </SPAN>285 ROLA</FONT></PRE><PRE><FONT face="Courier New"> 371 Best<SPAN style="mso-spacerun: yes"> </SPAN>220 Jensen<SPAN style="mso-spacerun: yes"> </SPAN>240 JW <st1:City><st1:place>Davis</st1:place></st1:City></FONT></PRE><PRE><FONT face="Courier New"> 286 Ross<SPAN style="mso-spacerun: yes"> </SPAN>589 Bogen<SPAN style="mso-spacerun: yes"> </SPAN>232 Magnavox<SPAN style="mso-spacerun: yes"> </SPAN></FONT></PRE><PRE><FONT face="Courier New"><SPAN style="mso-spacerun: yes"></SPAN>748 Russell<SPAN style="mso-spacerun: yes"> </SPAN>719 Carbonneau<SPAN style="mso-spacerun: yes"> </SPAN>130 Matsushita </FONT></PRE><PRE><FONT face="Courier New"><SPAN style="mso-spacerun: yes"></SPAN>296 Solar<SPAN style="mso-spacerun: yes"> </SPAN>1059 Channel<SPAN style="mso-spacerun: yes"> </SPAN>789 McGregor<SPAN style="mso-spacerun: yes"> </SPAN></FONT></PRE><PRE><FONT face="Courier New"><SPAN style="mso-spacerun: yes"></SPAN>787 Sonatone<SPAN style="mso-spacerun: yes"> </SPAN>145 Cinaudagraph<SPAN style="mso-spacerun: yes"> </SPAN>1191 Micro Magnet</FONT></PRE><PRE><FONT face="Courier New"> 308 Stromberg<SPAN style="mso-spacerun: yes"> </SPAN>433 <st1:City><st1:place>Cleveland</st1:place></st1:City><SPAN style="mso-spacerun: yes"> </SPAN>828 <st1:City><st1:place>Midland</st1:place></st1:City></FONT></PRE><PRE><FONT face="Courier New"> 756 Universal<SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"></SPAN>145 Consolidated<SPAN style="mso-spacerun: yes"> </SPAN>549 <st1:place>Midwest</st1:place></FONT></PRE><PRE><FONT face="Courier New"> 847 University<SPAN style="mso-spacerun: yes"> </SPAN>150 Crescent<SPAN style="mso-spacerun: yes"> </SPAN>185 Motorola</FONT></PRE><PRE><FONT face="Courier New"> 328 <st1:State><st1:place>Utah</st1:place></st1:State><SPAN style="mso-spacerun: yes"> </SPAN>137 C.T.S.<SPAN style="mso-spacerun: yes"> </SPAN>245 National</FONT></PRE><PRE><FONT face="Courier New">1279 WeberVST<SPAN style="mso-spacerun: yes"> </SPAN>1149 Curtis Mathes<SPAN style="mso-spacerun: yes"> </SPAN>918 Oaktron</FONT></PRE><PRE><FONT face="Courier New"> 336 Western Electric<SPAN style="mso-spacerun: yes"> </SPAN>466 Delco<SPAN style="mso-spacerun: yes"> </SPAN>252 Operadio</FONT></PRE><PRE><FONT face="Courier New"> 449 Wilder<SPAN style="mso-spacerun: yes"> </SPAN>252 Dukane<SPAN style="mso-spacerun: yes"> </SPAN>465 <st1:City><st1:place>Oxford</st1:place></st1:City></FONT></PRE><PRE><FONT face="Courier New"> 343 Zenith<SPAN style="mso-spacerun: yes"> </SPAN>649 Electro-Voice<SPAN style="mso-spacerun: yes"> </SPAN>130 Panasonic</FONT></PRE><PRE><FONT face="Courier New"> 277 Emerson<SPAN style="mso-spacerun: yes"> </SPAN>260 Philco</FONT></PRE><PRE><FONT face="Courier New"></FONT></PRE><PRE><P class=MsoNormal style="MARGIN: 0in 0in 12pt; TEXT-ALIGN: center" align=center><FONT size=3><FONT face="Times New Roman">Speaker Codes And What They Mean
    <?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id=_x0000_t75 stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype></FONT></FONT><v:shape id=_x0000_i1025 style="WIDTH: 110.25pt; HEIGHT: 52.5pt" type="#_x0000_t75" alt=""><v:imagedata src="file:///C:\Users\Rowfant\AppData\Local\Temp\msohtml1\01\cl ip_image001.gif" o:href="http://www.webervst.com/pics/eianum.gif"></v:imagedata></v:shape></P><P class=MsoNormal style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align=center><FONT face="Times New Roman" size=3>The picture is a section of the basket rim of a speaker. The 6 digit code indicates what manufacturer made the speaker and when it was made. It is called the 'Manufacture Date Code'. </FONT></P></PRE></o:p></PRE>

    Comment


    • #3
      Re: Speaker identification



      Rowfant, Thanks. It was about 40 years ago that I thought I saw a list.....I was beginning to think that my memory was even worse than it is. </P>


      Roy</P>

      Comment

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