The is a classic 3-way bass reflex loudspeaker system released around 1984 . Often paired with the Pioneer XA-77 component system, these floorstanding speakers were designed to bring high-fidelity audio into mid-80s living rooms with a distinctive vintage aesthetic. Technical Specifications

According to enthusiast reviews on Hi-Fi-Wiki and Reddit , the CS-787 delivers a sound signature typical of 80s paper-cone speakers.

50 Watts (nominal) to 80 Watts (music power). Impedance: Rated between 6.3 and 8 Ohms. Frequency Response: 40 Hz to 20,000 Hz.

While vintage equipment specs can vary by region, the core technical profile of the CS-787 includes: 3-way, bass-reflex (open volume) enclosure. Driver Configuration: Woofer: 200 mm (8-inch) cone. Midrange: 77 mm (approx. 3-inch) cone. Tweeter: 66 mm (approx. 2.5-inch) cone.

They are widely considered an excellent choice for budget-conscious vinyl listeners or those setting up a "period-correct" vintage audio system from the mid-80s. Market Value and Collecting

Approximately 560 mm (H) x 320 mm (W) x 230 mm (D).

These speakers typically feature a chipboard or LDF cabinet with a wood-grain vinyl finish. Many pairs found today still feature the original "front net" covers, which are essential for maintaining the vintage look.

The sound is often described as leaning toward the "bright" or "light" side. While the 8-inch woofer provides a solid presence, some users find the bass response less aggressive than modern sub-heavy systems.

Approximately 7 kg per speaker (14 kg total for a pair). Audio Performance and Character