from:Anthony Lucas <Anthony.Lucas@eminence.com>to:Robert VonHerndon <robertvonherndon@gmail.com>
date:Sep 18, 2018, 9:47 AMsubject:RE: 1980's Jackson Cabinets:
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We manufactured your speaker the 37th week of 1989. It was a custom designed OEM speaker that we manufactured to one of our customer's specifications. It is a 16 ohm speaker with a 1.75" voice coil and a 30 oz ceramic magnet. We do not rate OEM designs (that is left up to the customer to test and rate their cabinet or amp), but a conservative thermal power rating based on the voice coil diameter would be about 50 watts. Here are the T/S parameters:
05-RE OHMS 12.75 13-FS HZ 104.54
06-LE MH 1.10 14-MMS GMS 24.40
07-QM 9.20 15-CMS mm/N .0950
08-QE 1.200 16-RMS NS/M 1.7426
09-QT 1.060 17-VAS LTRS 36.00
10-XMAX MM .90 18-SD SCM 519.45
11-BL TM 13.06 19-EBP 87.3
12-EFF % 3.31 20-SPL dB 97.2