hifi engine

Manual Library / Pioneer

Pioneer HPM-150

4 Way 4 Speaker Floor Type Bass Reflex Speaker System (1977-81)

add a review add a review

Pioneer HPM-150


The Pioneer HPM-150 is a 4-way, 4-speaker floor-type bass-reflex system with tweeter and midrange level controls on the front panel.

It incorporates a 400mm carbon fibre blended woofer with long throw voice coil, a 100mm midrange with edge-wound voice coil, a 45mm lightweight cone tweeter (all three mounted in diecast aluminium frames to prevent basket resonance), plus a polymer horn-loaded omnidirectional super tweeter giving 270 degrees of horizontal dispersion.

The HPM-150 can handle amplifiers up to 300 watts per channel.


Type: 4 way, 4 driver loudspeaker system

Frequency Response: 25Hz to 25kHz

Power Handling: 250W

Crossover Frequency: 750, 2600, 8500Hz

Impedance: 6.3Ω

Sensitivity: 92.5dB

Bass: 1 x 400mm cone

Midrange: 1 x 100mm cone

Tweeter: 1 x 45mm cone

Super Tweeter: 1 x HPM high polymer

Enclosure: bass reflex

Dimensions: 450 x 984.5 x 450mm

Weight: 37.3kg

Year: 1978


Related Catalogues

Hi-Fi Stereo

Stereo Components

If you have any problems opening files please read the download FAQ. All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited.

If you have additional documentation please consider donating a copy to our free archive.


This website is not affiliated with or sponsored by Pioneer. To purchase HPM-150 spares or accessories, please contact the company via their website or visit an authorised retailer.