HPM-700 Speaker-P Pioneer Corporation; Tokyo, build 1980 ?
Pioneer HPM 700 Restoration Help (with non-OEM) | Audiokarma Home Audio Stereo Discussion Forums
Pioneer HPM-700 Speaker System (1980-1982) Review & Demo - YouTube
PIONEER HPM-700 Original 4 Way SPEAKERS 60 Watts RMS Vintage 1980 WORK GOOD LOOK | eBay
Pioneer HPM 700 woofer pair - Part# 25-750A-6 Photo #3108127 - US Audio Mart
Pioneer HPM 700 Photo #1793662 - US Audio Mart
Vintage HI-Fi Part II - Audio Classic
Pioneer HPM-700 The Pioneer HPM-700 is a high fidelity, 4-way, 4-speaker Bass-Reflex loudspeaker system designed by Bart Locanthi… | Speaker, Vintage speakers, Hifi
Pioneer HPM-700 Loudspeaker - On Demand PDF Download | English_Addendum