Pioneer

HPM-60/U2

Speaker

Main Details
Maker Pioneer Brand Pioneer Electronic Corporation Company High Polymer Molecular Series
Function
Additional Model ID HPM-60/U2 (REF Q)
Form Factor Bookshelf / Stand Mounted
Signal Path Passive Hardware
Made In Japan
Date Produced 1978-1979
Dimensions
(H × W × D)
Weight 37.5lbs
Frequency Response 35Hz-25kHz
Notes Second generation HPM-60 with updated driver types to match HPM-100. Identified by driver type, listed power rating and stamped reference mark 'Q' on rear of cabinet and box on non-U models. Parts not interchangeable with earlier variant.
Additional Specifications
Supertweeter 180° Piezoelectric High Polymer Molecular film, Part #HP-015A
Treble 1.75" Paper Cone Part #45-711B
Midrange 4" Paper Cone Part #10-726A
Bass 10" Carbon fiber Blended Cone Part #25-737A
Impedance (Nominal) 8Ω
Sensitivity 92.5dB/W/m
Crossover Frequencies 1.9kHz, 3kHz, 12kHz Network Assembly Part #SWN-155
Crossover Slope 6dB/Oct First Order
Power Handling (Nominal) 60W
Power Handling (Peak) 120W
Enclosure Type Bass Reflex
Enclosure Construction Particleboard
Finish Oiled Walnut
MSRP (1980) $260
Connections
Input
Connector: Spring Terminal
Controls
Parameter: Midrange Level
Control Type: Rotary Pot
Parameter: Treble Level
Control Type: Rotary Pot

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