: The 20 cm woofer is designed to provide full, deep lows that can easily fill a medium to large living space.
The "Extra Quality" line often utilized specialized pulp composites or carbon-infused paper cones. These materials offered a higher stiffness-to-weight ratio, minimizing cone flexing and harmonic distortion at higher volumes. Enhanced Cabinets
4-inch to 5-inch treated paper cone housed in an isolated sub-enclosure
If you find a pair in good condition (check the woofer surrounds and the tweeter cones for any brittle spots), the Pioneer CS-787 pioneer cs787 extra quality
The Pioneer CS-787 "Extra Quality" speakers are a robust, well-designed example of 1980s audio engineering. While modern speakers may offer superior accuracy, the CS-787 delivers that warm, engaging sound that many audiophiles crave. They are an excellent entry point into the world of vintage audio or a perfect addition to a dedicated 1980s system.
Whether labeled as a regional variant or surviving as a classic legacy line, Pioneer's high-efficiency vintage speakers deliver a level of dynamics, presence, and retro aesthetic that modern tower speakers rarely replicate. They are a physical piece of audio history that still holds its ground today.
Pioneer CS-787 (circa 1984) is a vintage 3-way bass reflex loudspeaker system known for providing a classic "Old School" sound with a particular emphasis on room-filling clarity and depth. While often categorized as a mid-to-entry level vintage speaker, it is prized by enthusiasts for its shimmering highs tight bass Key Specifications System Type : 3-way, bass reflex design. Power Handling : Rated at 50W nominal 80W music power Driver Configuration : 200 mm (approx. 8-inch) cone for full lows. : 77 mm cone. : 66 mm cone. Frequency Response : 40 Hz to 20,000 Hz. : Typically 6.3 to 8 Ohms Performance Review Highlights Sound Signature : The 20 cm woofer is designed to
10-inch to 12-inch pulp-cone driver (variant dependent) featuring a high-compliance surround
: These speakers typically feature a large woofer (often 10 or 12 inches), a dedicated midrange, and a high-performance tweeter. This configuration allows for a broad frequency response, ensuring that deep lows and sparkling highs are handled by specialized drivers.
A standard pair in "good" used condition might sell for a moderate price. However, a "mint" pair with all original drivers, perfect cabinets, functioning crossovers, and the original grilles can command a significantly higher price. With proper care and maintenance, the Pioneer CS-787 represents a solid investment for the vintage audio enthusiast, offering a unique sonic signature and a tangible piece of hi-fi history that could appreciate in value over time. Enhanced Cabinets 4-inch to 5-inch treated paper cone
The vintage audio market is filled with hidden gems, legendary sound systems, and occasional collector myths. If you are searching for the speakers, you are likely looking for a specific era of Pioneer’s high-fidelity craftsmanship.
High-efficiency cone or dome tweeter designed for crisp high-frequency extension without harshness.
Many of these models feature front-mounted acoustic adjusters for the mids and highs. Spin them to ensure they do not introduce static or cut the signal.
Units found today are often still in good working condition due to the quality of materials used by Pioneer in Japan during that era. Market Context These speakers are popular in the second-hand vintage market (often seen on Facebook Marketplace
The is a paradox. In raw measurements, modern KEF or Elac speakers are flatter and more neutral. Yet, nostalgia and physicality matter. These speakers are not analytical tools; they are musical instruments.