PIONEER HPM-40 SERVICE MANUAL Pdf Download | ManualsLib
Pioneer HPM-40 Loudspeaker - On Demand PDF Download | English
PIONEER hpm-40 speakers | Audio equipment, High end audio, Vintage speakers
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