greetings all I have purchased a pair of speakers at a garage sale and have not been able to find any info on them. When they were made and current value. I was wondering if you knolodgeable people could help. front: grill Acoustic Linear systems under the grill: Acoustic Linear Sytems Model 520 liquid cooled 5-200 watts freq response 43Hz to 25Khz 8ohms Impedence high Frequency Control Mid frequency Control 4" Cone tweeter with wire mess over it 5 1/2" Mid range with wire mess over it 12" woofer some type of plastic cone they sound great @100 watts