Pioneer Cs787 Extra Quality Free Direct

The Pioneer CS-787 is a notable model in the vintage audio world, primarily recognized as a 3-way, 4-speaker bass-reflex system from the late 1970s. The phrase "Extra Quality" often seen on the speaker badges was Pioneer's marketing term used during this era (particularly on the CS- series) to denote their higher build standards and component quality compared to entry-level competitors.

Here is a detailed breakdown of the Pioneer CS-787:

Sonic Signature: The "West Coast" Sound with Refinement

When you hook the CS787 up to a vintage Pioneer SX-series receiver (like the SX-780 or SX-950), magic happens. The sound is often described as the "West Coast" sound—punchy, dynamic, and slightly forward in the mid-bass. However, the Extra Quality tweeter array elevates this speaker above its peers.

3. Build Quality ("Extra Quality")

• Cabinet: These speakers feature high-density particle board or plywood construction with a real wood veneer finish (often walnut or teak). They are heavy and rigid, designed to minimize cabinet resonance.
• Crossover: The internal crossover network uses high-quality inductors and capacitors to ensure smooth transitions between the woofer, mid, and tweeter.
• Terminals: They typically feature robust spring-loaded terminals or early binding posts that accept thick speaker wire.

4. Sound Signature

The Pioneer CS-787 offers a sound profile typical of the "Vintage Pioneer" era: pioneer cs787 extra quality

• Bass: Deep, warm, and resonant. The bass-reflex port (located on the front or rear) adds efficiency and extends the low-end response.
• Mids: Smooth and vocal-forward, typical of the paper-cone drivers used by Pioneer.
• Highs: Present and clear, though perhaps not as "sparkling" or sharp as modern metal-dome tweeters. They tend to be non-fatiguing over long

High End (5 kHz – 22 kHz)

This is the most divisive area. The horn supertweeter adds a sheen rather than true detail. High-res digital tracks (24-bit FLAC) reveal that these speakers roll off above 18 kHz gently. However, for vinyl and analog tape sources, the high end is euphonic—smooth, non-fatiguing, and rich. Cymbals sound like brass, not white noise.

Technical Specifications (Why Specs Matter)

To understand the "Extra Quality," we must look at the raw data. The Pioneer CS787 is a 4-way, 4-speaker bass-reflex system. Here are the vital statistics:

• Enclosure Type: Bass reflex with a front-firing port (located at the bottom baffle).
• Woofer: 30 cm (12 inches) – cone type with a cloth surround (not foam!).
• Midrange: 6.6 cm (2.6 inches) – cone type.
• Tweeter: 4.8 cm (1.9 inches) – soft dome.
• Super Tweeter: Horn-type with a small ceramic magnet.
• Impedance: 8 ohms (nominal).
• Sensitivity: 92 dB/W (Very efficient).
• Frequency Response: 30 Hz to 20,000 Hz.
• Crossover Frequencies: 1 kHz, 4 kHz, 10 kHz.
• Dimensions: 14.2" (W) x 25.6" (H) x 13.8" (D).
• Weight: Approximately 44 lbs (20 kg) per speaker.

The standout feature here is the cloth surround on the 12-inch woofer. Unlike foam surrounds that rot after 20 years, cloth surrounds (impregnated with a sticky sealant) last for decades. This is a primary reason the CS787 has survived in "Extra Quality" condition today. The Pioneer CS-787 is a notable model in

The Quad-Driver Array

The most striking visual feature is the driver arrangement. The large 12-inch woofer handles the low-end with surprising agility. Unlike modern subwoofers that aim for rumble, this woofer focuses on punch and texture—ideal for rock, jazz, and acoustic bass.

The twin tweeter array (a dome and a horn supertweeter) was Pioneer’s solution to the “air band” issue of the era. The standard tweeter covers up to 18 kHz, while the horn extends to 22 kHz, adding sparkle to cymbals and harmonics without harshness.

How Do They Sound?

Let’s get the negatives out of the way first: These are not "studio monitor" flat. They have a distinct V-shaped frequency response. The bass is deep and punchy (think 70s funk or classic rock kick drums), and the highs are crisp and sparkly. The midrange is slightly recessed, which is great for reducing listener fatigue but not ideal for acoustic jazz vocals. Classic Rock (Led Zeppelin

Where they shine:

• Classic Rock (Led Zeppelin, The Who): The 15" woofer moves air effortlessly. John Bonham’s drums sound physical.
• Electronic & Disco (Giorgio Moroder, Kraftwerk): The extended high-frequency response makes synthesizers sound ethereal.
• Home Theater (Left/Right): If you have a powerful vintage receiver (minimum 50 watts RMS), these speakers fill a room with cinematic scale like modern bookshelf speakers simply cannot.

The "West Coast" Sound: These are the Japanese interpretation of the American "West Coast" sound (think JBL L100). They are fun, dynamic, and slightly aggressive. They want to be played loud.