I purchased a "lot" of products mainly related to high end home audio and theatre. I understand that the products sat idle since 2013 so there are many items that are dated; however, I am lead to believe that there is nothing wrong with this speaker.
I live in the Niagara Region...
Why even bother with more than two 18" pro woofers. Look see what Procella can do. 130dB continuous at 18Hz, with 136dB Peak!!
Procella P18 2016 Full Frontal.
Power Handling: 2 x 1,200W cont
Amplifier: Procella DA06-DSP
Impedance: 2 x 4ohm