I’m the original owner for over 50 years, Stored flat in its original shipping box for over 50 years. Used briefly as hifi subwoofer. The speaker is almost LIKE NEW from the 1970s… The JBL K145 is a classic speaker used in the 1970s for electric bass, organ and hifi uses. The speaker looks and sounds great!

Specifications: 

The JBL K145 features a 38 cm cone type woofer, 8 Ω impedance, and can handle 300W of continuous program power (150W RMS). Its sound pressure level is 98dB, with a frequency characteristic of 40 Hz to 2.5 kHz.