advertisement


Linn Isobarik Revision History

<table bgcolor="#EEEEEE" cellspacing="0" border="1" width="100%"> <tr valign="top"> <td width="70%" bgcolor="#000000"> <font face="Verdana, Ariel, Helvetica" color="#ffffff" size="2"> modification </font> </td> <td width="15%" bgcolor="#000000"> <font face="Verdana, Ariel, Helvetica" color="#ffffff" size="2"> date </font> </td> <td width="15%" bgcolor="#000000"> <font face="Verdana, Ariel, Helvetica" color="#ffffff" size="2"> serial number </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>speaker:</b> Major upgrade: Addition of KU-STONE ceramic absorber, units and back now sealed with gaskets instead of silicone, improved cabinet bracing (Upgrade not retrofittable). </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Dec. 1991 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 8293/4 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>crossover:</b> New 4 ohm external fitted in stand. Facilities for tri-wiring. DMS no longer made as PMS can be used with either passive (4 ohm) or aktiv crossover. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 1988 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 6701/2 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>treble unit:</b> Cosmetic improvement: Fitted with countersunk screws. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Sept.1987 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 6201/2 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>cabinet:</b> Crossover now in bottom of speaker accessible from underneath. Facility for converting easily to tri-wiring or to aktiv. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 1987 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 5575/6 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>midrange units:</b> Improved rubber surround to harder rubber. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Apr.1986 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 4953/4 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>cabinet:</b> Construction improved (internal sealing and damping). </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Dec. 1985 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 4825/6 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>crossover/treble units:</b> Improved PCB with wider tracks and better layout. Treble units also changed to give a smoother response. Linn logo incorporated on front plate. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> May 1984 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 3939/40 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>bass/midrange Units:</b> Sound-deadening material painted on bass and midrange units. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Mar.1983 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 3000/1 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>cabinet:</b> Changed from chipboard to MDF and veneered on both sides. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Jan. 1982 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 2859/60 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>treble unit:</b> Fitted with t-nuts. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Oct. 1981 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 2741/2 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>wiring:</b> Changed internally to common earth at cannon socket. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Mar. 1980 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 11,035/6 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>treble unit:</b> Scanspeak treble unit replaced with Hiquphon unit, recognised by two concentric rings on unit. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Feb. 1980 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 10,925/6 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>midrange unit:</b> Vented. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Nov. 1979 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 10,800/1 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>damping:</b> Midrange enclosure and cabinet damping changed. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Sep. 1978 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 10283/4 </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>speaker:</b> Active PMS version introduced. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> 1977 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2">   </font> </td> </tr> <tr valign="top"> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> <b>cabinet:</b> Current cabinet style adopted. </font> </td> <td bgcolor="#dfdfdf"> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> Sep. 1976 </font> </td> <td> <font face="Verdana, Ariel, Helvetica" color="#000000" size="2"> </font> </td> </tr> </table>
 


advertisement


Back
Top