The Pioneer CS-787, released in the late 1970s, stands as a quintessential example of the "Stone Age" era of Japanese audio engineering. Characterized by its massive cabinet size, multi-driver arrays, and distinctive granite-finish enclosure, the CS-787 represents a design philosophy that prioritized acoustic presence and aesthetic weight over the miniaturization trends that would follow. This paper explores the technical specifications, design philosophy, and enduring legacy of the CS-787 within the vintage Hi-Fi community.
: Bass reflex design with a wood finish, often including removable front cloth grilles. pioneer cs-787
The CS-787 is a classic 3-way bass reflex system designed for home stereo setups. Here is what’s under the hood: 3-Way, Bass Reflex 200 mm (approx. 8 inches) cone 77 mm cone 66 mm cone Power Handling: 50W (Nominal) / 80W (Music Power) Frequency Response: 40 Hz – 20,000 Hz Impedance: The Pioneer CS-787, released in the late 1970s,
The Pioneer CS-787! That's a classic bookshelf speaker from the 1970s. Here are some features of the Pioneer CS-787: : Bass reflex design with a wood finish,
Verdict A characterful, warm-sounding 3‑way speaker from Pioneer’s 1980s lineup: appealing for vintage-system lovers and casual listeners, but less suitable for those seeking modern neutrality, extended treble detail, or tight high‑SPL bass control without upgrades.
Eventually, the foam surrounds on the woofers began to crumble—a victim of time and humidity. The speakers went silent, relegated to a corner under a sheet. But Leo couldn't part with them. They held too much smoke, laughter, and history in their cabinets.
Because of the 96 dB sensitivity, these speakers are a dream for low-wattage vintage receivers. You could drive these to deafening volumes with a 15-watt tube amp. They are incredibly efficient. The bass is deep, loose, and warm—classic "West Coast" sound. For rock, funk, and disco from the 70s, the CS-787 is a party machine. The horn tweeter gives cymbals and snares a "snap" that feels visceral.
