Pioneer

HPM-60/U1

Speaker

Main Details
Maker Pioneer Brand Pioneer Electronic Corporation Company High Polymer Molecular Series
Function
Form Factor Bookshelf / Stand Mounted
Signal Path Passive Hardware
Made In Japan
Date Produced 1976-1978
Dimensions
(H × W × D)
Weight 38.5lbs
Frequency Response 35Hz-25kHz
Additional Specifications
Supertweeter 180° Piezoelectric High Polymer Molecular film, Part #HP-015A
Treble 1.75" Paper Cone Part #45-709F
Midrange 4" Carbonfiber Blended Cone Part #10-719A
Bass 10" Carbonfiber Blended Cone Part #25-727F
Impedance (Nominal) 8Ω
Sensitivity 92.5dB/W/m
Crossover Frequencies 1.2kHz, 4kHz, 12kHz Network Assembly Part #SWN-109
Power Handling (Nominal) 30W
Power Handling (Peak) 60W
Enclosure Type Bass Reflex
Enclosure Construction Particleboard
Finish Oiled Walnut
Connections
Input
Connector: Spring Terminal
Controls
Parameter: Midrange Level
Control Type: Rotary Pot
Parameter: Treble Level
Control Type: Rotary Pot

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