Iwan Arjanto on Instagram: "The Pioneer HPM 150 ( HPM 1500 in Europe) is one of the famous vintage 1977 The HPM-150 was designed by Bart Locanthi, formerly of JBL. A suprising
Vintage 1977 PIONEER HPM-150 4WAY SPEAKER HIGH END RARE 250W RMS WORK GOOD LOOK | eBay