Pioneer Cs787 Extra Quality Upd May 2026

The Pioneer CS-787 is a vintage 3-way bass reflex speaker system, typically manufactured in Japan between 1984 and 1985. While some owners find them to be extremely valid and capable of powerful sound without losing quality, they are generally categorized by audio enthusiasts as mid-to-low level floorstanders from that era. Performance and Sound Quality

Pioneer CS787 Extra Quality: A Deep Dive into the Unsung Heroes of Vintage Audio

In the golden era of high-fidelity audio (roughly the mid-1970s to early 1980s), the name Pioneer was synonymous with innovation, reliability, and sonic excellence. While audiophiles often wax lyrical about the legendary HPM series or the exclusive TAD monitors, there exists a sleeper hit in the vintage market that offers an astonishing price-to-performance ratio: the Pioneer CS787 Extra Quality. pioneer cs787 extra quality

Introduction

• Surround Rot: The foam surrounds on the woofer and sometimes the mid-range drivers rot over 30+ years. If the cones rattle or move excessively, they need to be "re-foamed" (a standard DIY repair kit costs ~$20-$30).
• Tweeter Damage: The dome tweeters can be dented easily if the grille is removed.
• Cabinet Wear: The wood veneer often peels at the edges.

Woofer: 20 cm (approximately 8 inches) for low-frequency response. The Pioneer CS-787 is a vintage 3-way bass

The "Extra Quality" designation refers to the balanced output provided by the 3-way driver setup. Surround Rot: The foam surrounds on the woofer

References