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Pioneer Cs-787

The Pioneer CS-787 is a victim of its own era's excess. Because it looks like a "Kabuki" speaker, many serious listeners write it off. But those who take a chance are rewarded with a warm, engaging, and incredibly fun loudspeaker.

It’s not a scalpel; it’s a sledgehammer wrapped in velvet. If you have a large room, a vintage receiver, and a love for analog-era music, don't overlook the CS-787. It is one of the last truly affordable giants of the Silver Age.

Rating: 7.5/10 (Highly Recommended for Vintage Rock/Jazz systems) Best Pairing: Pioneer SX-780, SX-980, or a 100-watt class A/B integrated amp. Pro-Tip: Pull them 12 inches from the wall. That 15" woofer needs room to breathe.

Do you own a pair of CS-787s? Restored a set? Let us know in the comments below.

Yes, if:

No, if:

Let’s start with the nuts and bolts. To understand the CS-787, you have to understand its physical DNA.

The Pioneer CS-787 is not a party speaker. It is a listener's speaker.

It represents a fleeting moment when Pioneer stopped trying to win the "spec sheet war" (Watts, Hz, number of drivers) and tried to win the "ears war." It failed commercially because in 1977, buyers wanted chrome and lattice. They wanted the CS-99A. But time has a way of correcting mistakes. pioneer cs-787

Today, the CS-787 stands as a testament to proper acoustic engineering. It is heavy, inefficient, and requires a big amplifier. But plug one in, close your eyes, and listen to the decay of a piano note. You will understand why these forgotten giants are finally having their moment in the sun.

Recommendation: If you find a clean pair, buy them. Recap them. Feed them 100 watts. And then pour a drink, sit down, and enjoy the most un-Pioneer speaker Pioneer ever made.

If you buy a pair of CS-787s, you are buying a specific vibe—not clinical accuracy.

Despite the chaotic layout, the construction is vintage Pioneer through and through. The cabinet is genuine wood veneer (usually walnut or elm) over dense particle board, braced just enough to keep cabinet resonance in check. The baffle is thick, and the removable grille frame is robust. The Pioneer CS-787 is a victim of its own era's excess

The 15-inch woofer is the star of the structural show. It features a massive ferrite magnet and a treated cloth surround that, unlike foam, rarely rots. Most CS-787s on the used market still have perfectly functional surrounds 45 years later. That’s durability.

If you buy a used pair of Pioneer CS-787 speakers today, you will likely need to do some maintenance.

The engineering inside the CS-787 reflects the "East Coast" sound influence—warm, rich, and room-filling—despite Pioneer being a Japanese firm.