Pioneer Cs787 Extra Quality Link

The dedicated cone midrange handles the critical vocal range. Male vocals (Johnny Cash, Sinatra) have chest and warmth. Female vocals (Joni Mitchell, Aretha Franklin) are present without sibilance. This is where the CS787 beats modern $500 bookshelf speakers—the midrange is unhyped but natural.

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The Pioneer CS-787: A Deep Dive into Vintage High-Fidelity The Pioneer CS-787 is a classic 3-way bass reflex speaker system first introduced around 1984. While it was originally part of larger stack systems like the Pioneer XA-77, these speakers have gained a following in the vintage audio community for their distinct "old school" sound and reliable Japanese engineering. Key Technical Specifications

If you're hunting for a pair on the second-hand market, here is what you can expect under the hood: Design Type: 3-Way, Bass Reflex. Driver Configuration: Woofer: 200 mm (approx. 8-inch) cone. Midrange: 77 mm cone. Tweeter: 66 mm cone.

Power Handling: 50 Watts nominal, with a peak music power of 80 Watts.

Frequency Response: 40 Hz to 20,000 Hz, offering a full range of sound from deep lows to crisp highs. Impedance: Typically rated at 6.3 to 8 Ohms. Dimensions: 56 x 32 x 23 cm (H x W x D). Why Collectors Look for the "Extra Quality"

The Pioneer CS-787 is often praised for its "warm" vintage tone that many modern, smaller bookshelf speakers struggle to replicate.

Room-Filling Sound: The 20 cm woofer is designed to provide full, deep lows that can easily fill a medium to large living space.

Build Quality: Manufactured during a strong era for Pioneer Japan, these speakers often feature durable wood cabinets and magnetically shielded drivers, allowing them to be placed near older TV sets without causing interference.

Efficiency: Like many speakers from the 1980s, the CS-787 is relatively easy to drive, meaning you don't need a massive modern amplifier to get them singing. Market Value and Buying Tips pioneer cs787 extra quality

Finding a pair in "extra quality" or "immaculate" condition is key, as older paper cones can become fragile over time.

The Pioneer CS-787 is a classic 3-way bass reflex loudspeaker system released around 1984. It is known for its "extra quality" vintage appeal, characterized by a Japanese-manufactured design that balances clear, room-filling sound with a signature 80s aesthetic.  Technical Specifications 

System Type: 3-way, bass reflex floor-standing/bookshelf speakers. Driver Configuration: Woofer: 200 mm (approx. 8-inch) cone for low frequencies.

Midrange: 77 mm cone for clear vocal and instrumental performance. Tweeter: 66 mm cone for high-frequency clarity.

Power Handling: Rated at 50W (nominal) to 80W (music/maximum). Impedance: 8 Ohms (some variants noted at 6.3 Ohms). Frequency Response: 40 Hz to 20,000 Hz.

Dimensions: Approximately 56 cm (H) x 32 cm (W) x 23 cm (D). Weight: Roughly 7 kg per speaker (14 kg total for a pair).  Performance and Sound Signature 

Tonal Balance: The CS-787 is often described as having a sound signature leaning toward the "bright" or "light" side, offering a crisp vintage look and feel.

Bass Performance: While the 8-inch woofer provides full lows for its size, some users of the broader CS-series note that deep bass extension can be limited compared to modern high-end floorstanders.

Build Quality: These speakers feature wooden cabinets and original Japanese components, often found with matching serial numbers in well-maintained vintage collections.  Buying Guide & Maintenance  The dedicated cone midrange handles the critical vocal range

Condition Check: When purchasing second-hand, pay close attention to the driver surrounds and the condition of the paper cones, as these can develop cracks over time.

Ideal Setup: They are highly regarded for 2-channel music listening, particularly for playing vinyl records or period-correct 1980s Hi-Fi setups.

Market Value: Depending on condition and location, a pair in excellent condition typically lists between €315 and €375 on vintage marketplaces.  Pioneer 7 speaker system for sale - Facebook

Blog Title: Rediscovering a Gem: The Pioneer CS-787 “Extra Quality” Speakers

Published by: Vintage Audio Archives Date: April 19, 2026

If you are a fan of vintage Japanese hi-fi, you know that Pioneer rarely did things by half measures. But even among their legendary lineup of loudspeakers, a specific model stands out for its unique naming convention and surprising sonic prowess: the Pioneer CS-787 "Extra Quality."

Let’s be honest—slapping the words “Extra Quality” on a speaker grille is a bold move. It invites scrutiny. Does it live up to the boast? After spending a few weeks with a restored pair, the answer is a resounding yes, but with a few vintage caveats.

This is where the CS-787 divides opinion.

The Pros:

The Caveats (Vintage Character):

On the surface, the "Extra Quality" badge might sound like marketing hyperbole. However, for Pioneer, this designation signified a tier above their standard consumer lines. The CS-787 was designed to compete with higher-end offerings from JBL, Altec, and Klipsch. It implied stricter component matching, better internal damping, and a crossover network that prioritized clarity over loudness.

The original foam surrounds are almost certainly rotted. Do not play them until refoamed. Buy a specific 12-inch foam kit. The process takes 2 hours per speaker. Replace the dust caps if they are brittle.

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.

The "Extra Quality" moniker was marketing, but the sonic performance validates it as a competent musical performer with a specific flavor:

Summary: The sound is colored but musical. It forgives poor recordings, making mp3s and vintage vinyl sound rich and full.

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.