Pioneer: Cs-787

When audiophiles discuss the "Golden Age" of stereo sound (roughly 1974 to 1982), names like JBL, Klipsch, and Pioneer’s HPM series usually dominate the conversation. However, lurking in the shadow of those legendary floor-standers is an outlier—a behemoth that often confuses vintage collectors and delights fans of unique industrial design: the Pioneer CS-787.

If you have stumbled upon a pair of these at a garage sale, an estate auction, or buried in your uncle’s basement, you are looking at a piece of Pioneer history that is unlike anything else they produced. But is the CS-787 a hidden gem or a heavy relic best left in the past?

Let’s take a deep dive into the specs, the sound, the build quality, and the modern-day value of the Pioneer CS-787. pioneer cs-787

If you judge the CS-787 by its "Kabuki" reputation, you expect a honky, disjointed, shouty mess. You’d be wrong.

Powered by a vintage Pioneer SX-980 or similar receiver, the CS-787 reveals its true nature: warm, effortless, and room-filling. When audiophiles discuss the "Golden Age" of stereo

The secret weapon: Those front knobs aren't a gimmick. With modern digital sources (which tend to be brighter), you can dial the midrange down 2dB and the highs up 1dB to balance the response beautifully. When adjusted correctly, the CS-787 becomes a very enjoyable "listening" speaker, not just a "party" speaker.

Let’s address the elephant in the room. The CS-787 is a textbook example of what modern collectors call the "Kabuki" speaker—a Japanese design trend of the late 70s characterized by a large, lightweight woofer, multiple smaller drivers (often passive radiators or cone tweeters), and a chaotic array of knobs on the front baffle. The secret weapon: Those front knobs aren't a gimmick

The CS-787 is huge. Standing over 27 inches tall and weighing nearly 50 lbs, it demands floor space. The front baffle is a busy mix of:

At first glance, it looks like Pioneer threw every driver they had in the parts bin onto a single board. But as the saying goes, "don't judge a book by its cover."