VladimerAll advertisements (40)
|The total number of loudspeakers:||2 Capacitors type|
|Type:||Home Surround System Capacitors type|
The Pioneer HPM-900 is a high fidelity, 4-way, 4-speaker Bass-Reflex loudspeaker system designed by Bart Locanthi and his team of ex-JBL engineers, manufactured in Japan for the Pioneer Electronic Corporation from 1980 to 1983. Many still exist in complete working order, with all original parts, due to the speaker being engineered for endurance, reliability and longevity.
Bart Locanthi became the Vice President of Engineering at JBL in 1960. It was under his tenure that the JBL 4310, 4311, and L-100 were manufactured. However, JBL was bought out and Locanthi disagreed with the new direction it was taking, causing him to leave in 1970, with a few other JBL engineers joining him. In 1975, Pioneer North America hired him as Vice President of Development. Pioneer gave Locanthi and his team a large budget to improve on the speakers they had designed a few years prior. It was then that he used his expertise and experience to design what was to become the Pioneer HPM
HPM stands for “High Polymer Molecular”, in reference to its then newly-developed high polymer molecular film supertweeter, a design that is used to convert electrical energy into sound to a degree that had previously only been theory. It is damped by elastic materials to prevent the deterioration of its best characteristics, and eliminates excessive harmonic distortion.
Enclosure: Bass-reflex type
Speakers: 12-inch PG cone woofer, 4-inch PG cone midrange, 1.3/c-inch PG cone tweeter,
High polymer film super-tweeter
Frequency Range: 30 – 50,000 Hz
Sensitivity: 92.5 d8/W (1m)
Maximum input Power: 200W
Amplifier Power Range: 50-270W (recommended)
Dimensions: 15 3/8″ x 26 3/82 (H) x 15 1/2″ (D), weight: 43 kg
NOTE : stands not included
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