Quality — Pioneer Cs787 Extra
The CS787 Extra Quality is efficient (92 dB). You can drive them to satisfying levels with a 15-watt tube amp. However, for full control of the 12-inch woofer, aim for 40–100 watts RMS of solid-state power.
The treble and midrange level controls on the back become scratchy. Use contact cleaner (Deoxit D5) to spray into the potentiometers. Rotate them 50 times to restore smooth operation.
The CS-787 is not the most accurate speaker Pioneer ever made, but it might be one of the most enjoyable. For under $400–600 (typical used market price), you get a piece of Japanese audio history that delivers a massive, toe-tapping soundstage. Just remember to replace those capacitors, sit back, and let the "Extra Quality" wash over you.
Pro Tip: Pair these with a high-current amplifier (at least 40 clean watts) and lift them off the floor by 6–8 inches. The bass will tighten up dramatically.
The Pioneer CS-787 speakers are a notable example of vintage hi-fi engineering, often praised for their balance of power and classic aesthetic. While many mid-level floorstanders of their era utilized simpler internal builds, the CS-787 model was designed to offer "extra quality" through its robust driver configuration and cabinet design. Key Features & Performance
Three-Way Driver System: 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.
High Sensitivity: Known for their efficiency, Pioneer speakers of this class often have high sensitivity ratings (typically above 90 dB). This means they can produce a loud, clear sound even when paired with lower-wattage vintage amplifiers.
Audio Character: The CS-787 is valued for its "warm" vintage tone. Unlike modern speakers that can sometimes sound clinical, these offer a rich, immersive listening experience that is particularly well-suited for vinyl records and classic 2-channel stereo setups.
Build & Aesthetic: The "extra quality" is often visible in the cabinet finishing. Featuring classic wood-grain veneers and the iconic Pioneer lattice or mesh grilles, they serve as both high-end audio equipment and a statement furniture piece for any listening room. Why They Stand Out
While some critics categorize standard vintage floorstanders as "simple boxes," the higher-tier Pioneer CS series is respected for its durability and reliability over decades. They are frequently cited as a preferred choice for audiophiles looking to upgrade from factory-standard systems to a more professional, high-fidelity environment without the extreme price tag of modern boutique gear. pioneer cs787 extra quality
The year was 2147, and the Martian frontier was no place for the faint of heart. Or for cheap equipment.
Kaelen Voss knew this better than most. As a site relocation specialist—which was a fancy way of saying he hauled abandoned mining rigs across the toxic dust plains—his life depended on two things: his pressure suit and his hauler. But between them, humming quietly in a reinforced shock-mount on his hip, was the real star.
The Pioneer CS787 Extra Quality.
To the untrained eye, it looked like a chunky multi-tool from a bygone century. Brushed titanium casing, tactile rubber grips, a small retinal scanner that glowed amber. No holographic interface. No AI nanny. Just function, forged in an era when things were made to last beyond the next fiscal quarter.
“You sure that relic is going to handle the电离 storm?” asked Lin, his young navigator, eyeing the tool as they prepped the hauler. Her own gear was sleek, brand-new from the SynthCorp catalog.
Kaelen smiled, a thin, cracked-lip expression. “This ‘relic,’” he said, tapping the Pioneer, “has seen eleven Martian winters, three micrometeorite punctures, and one incident involving a very angry Borealis worm. It still calibrates to point-zero-zero-three microns.”
Lin scoffed. “My scanner says the gravitic anchor on Rig 7 is fused solid. You’re not going to fix that with nostalgia.”
The storm hit two hours later. Dust as fine as ground glass scoured the hauler’s hull. Sensors went blind. The gravitic compensator on Rig 7—a massive, spider-like machine worth more than their entire contract—began to screech, its anchor dragging a furrow toward a crevasse.
“We’re losing it!” Lin shouted, her fancy scanner flickering to static. The CS787 Extra Quality is efficient (92 dB)
Kaelen was already outside, magboots clanging on the rig’s superstructure. Static discharge crawled over his suit like blue fire. He opened the service panel. Inside, the primary manifold was a mess of crystallized plasma and twisted alloy. Any other tool would have been fried by the ambient EM.
He pulled out the Pioneer CS787.
He didn’t press a button. He simply held it near the manifold.
The tool’s retinal scanner pulsed once, then twice. It wasn’t scanning him—it was scanning the damage. A low, resonant hum emanated from its core. The Extra Quality designation wasn’t marketing fluff. It meant the internal molecular forges had been hand-lathed by a master technician on old Earth, back when quality meant sacrificing speed for precision.
A soft blue field extended from the tool’s tip. Kaelen guided it like a surgeon. The plasma crystallization began to reverse, molecule by molecule, vibrating back into a conductive lattice. The twisted alloy groaned, then remembered its original shape. The Pioneer didn’t brute-force a repair. It convinced the metal to heal.
“Gravitic anchor is stabilizing!” Lin’s voice cracked over the comm. “How? That’s a tier-three repair!”
Kaelen didn’t answer. He was watching the Pioneer’s last light flicker from blue to a deep, steady green. The storm howled. The crevasse yawned. But the rig held.
Back inside the hauler, dust hissing off his suit, Kaelen set the Pioneer on the console. Lin stared at it, her earlier skepticism replaced by a quiet awe.
“My scanner couldn’t even stay online,” she admitted. “And that thing… just worked.” Open the back panel of a standard CS787
Kaelen wiped a smear of red dust from the Pioneer’s casing. “That’s the thing about Extra Quality,” he said. “It doesn’t try to be smarter than you. It doesn’t need an update. It just needs a steady hand and a reason to wake up.”
He paused, then added with a rare glint in his eye: “Also, it’s rated for电离 storms up to class seven. Your scanner is class three.”
Lin laughed—a nervous, relieved sound. “So what do we do when it finally breaks?”
Kaelen looked at the Pioneer, then at the endless, hostile red desert outside. “Kid,” he said softly, “I don’t think it knows how.”
And in the silence that followed, the Pioneer CS787 Extra Quality sat on the console, humming a quiet, steadfast tune—a tiny, indestructible heart in a broken world.
Even "Extra Quality" capacitors age. Polypropylene caps drift value after 40+ years. Replace the crossover caps with modern equivalents (e.g., Mundorf or Jantzen). Do not change the inductors or resistors—they are fine.
Pro tip: Place these speakers at least 12 inches from the back wall and 6 feet apart. The bass reflex port needs breathing room. Toe them in slightly (15 degrees) to tame the horn’s dispersion.
Open the back panel of a standard CS787 and an Extra Quality version side-by-side, and the difference is obvious.
Pioneer’s factory in Japan (stamped “Made in Japan”) produced the Extra Quality units in smaller batches, typically between 1978 and 1981. Serial numbers beginning with “XQ” denote the genuine article.