Pioneer HPM-40 Speakers Sound Check and Description - YouTube
PIONEER HPM 40 | Vintage speakers, Loudspeaker, Stereo systems
The Pioneer HPM40's : r/vintageaudio
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Pioneer HPM-40 with System
Found these first gen pioneer hpm 40's for free on craigslist. They look pretty good after cleaning, and all they need are new surrounds and possibly a new tweeter (one of the