Thank you , But I still don't understand the first three numbers 104 & the last three numbers 361.... I cannot find them. The U is 1980,...Could you please help? Thanks Bruce
I have a pair of old klipspch speakers with the numbers 104 u 361 and one with 104 u 351stamped on the back of the speakers. Can someone tells me what this means? Thank you. Bruce Brookfield, Vermont