Pioneer--The HPM series (loudspeakers) (ad, Nov. 1976)

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Four radically new speaker systems specifically designed to beat the best.

You can't beat JBL, Advent, Bose and AR with me-too ideas. They're really good speakers.

So, instead of just trying to make better conventional speakers, we knew we had to come up with a totally different and superior design concept.

After years of research and development, our engineers found the answer. They created a whole new technology based on the electrical properties of High Polymer Molecular film. The result is a sound that's louder, clearer, more natural, lower in distortion than you ever expected to hear out of a speaker system.

HPM film technology requires no magnet, no coil, no cone or dome, no moving parts at all. The amplified signal is converted into sound waves directly at the surface of a thin, light membrane. And the entire structure housing the membrane can be curved for the best possible sound dispersion.

Pioneer's new HPM drivers combine high efficiency with amazingly accurate transient response. Distortion is virtually nonexistent even at very high sound pressure levels. The principle was evolved mainly for tweeters, although a giant HPM woofer is at least a theoretical possibility.

In each of the new Pioneer models shown here, regardless of price, the top end of the audio spectrum is reproduced by an HPM driver. In the big HPM-200 system, so is the upper midrange.

The woofers used in the HPM series are almost as unconventional, even though they still have cones.

But what cones! They combine low mass and high rigidity to an unprecedented degree, thanks to an exclusive method of reinforcement with carbon fibers. As a result, they move as true pistons, without any of the smearing of bass frequencies experienced with ordinary cones.

Of course, the proof of a new speaker technology isn't in the telling but in the listening.

If the new HPM speakers didn't have audibly more impact, more detail, more transparency than the best previous speakers at comparable prices, our engineering effort would have been a meaningless exercise. There are certainly enough speakers on the market today.

So we invite you to listen and compare very carefully. Match the HPM in the price range of your choice against the corresponding speaker on the far right, or anything else in your dealer' showroom.

We think you'll end up agreeing that a good new idea beats a good old idea every time.

U.S. Pioneer Electronics Corp., 75 Oxford Drive, Moonachie, New Jersey 07074.

It would be foolish to create a new line of speakers and not overcome these obstacles...

(Audio magazine, Nov. 1976)

Also see:

Pioneer series R speakers (ad, Apr. 1973)

Pioneer HPM-100 loudspeaker (Oct. 1977)

Pioneer HPM speaker systems (ad, Aug. 1979)

Pioneer Elite TZ Series reference loudspeakers (Apr. 1989)

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Updated: Sunday, 2020-01-12 10:28 PST