Hello,
In renovating a house, I came across some massive speaker boxes buried in the walls. They are a University Sound C15-HC (Dual Impedance, High Compliance, 60 Watt, 4-8 &10-20 Ohms) and a C15-W (Dual Impedance, 50 Watt, 4-8 &10-20 Ohms). The speakers in the boxes are from around 1990ish or...