Pioneer Cs-787 Portable Jun 2026

A high-efficiency cone or horn-loaded tweeter reproduces the high frequencies up to 20,000 Hz. This delivers crisp cymbal crashes and airy transient details.

The Pioneer CS-787 Go to product viewer dialog for this item.

: Make sure all drivers (tweeter, midrange, and woofer) are original and functioning. Test them at low volumes to make sure no voice coils are rubbing or blown.

Cabinets are typically made of chipboard or low-density fiberboard (LDF) with a wood-grain vinyl finish, rather than solid wood.

: Encased in hand-finished genuine walnut with a pleated saran grille, the pioneer cs-787

Because of the 96 dB sensitivity, these speakers are a dream for low-wattage vintage receivers. You could drive these to deafening volumes with a 15-watt tube amp. They are incredibly efficient. The bass is deep, loose, and warm—classic "West Coast" sound. For rock, funk, and disco from the 70s, the CS-787 is a party machine. The horn tweeter gives cymbals and snares a "snap" that feels visceral.

Built in 1984, the CS-787 represents this unique period in audio history. It was part of a complete stereo system—the Pioneer Xa 77—envisioned as a comprehensive, no-fuss solution for home listeners who wanted quality components in an aesthetic package.

The centerpiece of the lower cabinet is a . Tuned to a front-firing or rear-vented bass reflex enclosure, it drops down to a respectable 40 Hz. This gives the CS-787 a characteristically warm mid-bass slam. It excels with analog vinyl playback, capturing the natural resonance of acoustic bass and drums without the muddy, artificial boom of modern miniature subwoofers. Mids and Highs: Dedicated Separation

The sound is often described as leaning toward the "bright" or "light" side. While the 8-inch woofer provides a solid presence, some users find the bass response less aggressive than modern sub-heavy systems. A high-efficiency cone or horn-loaded tweeter reproduces the

These prices are significantly lower than the range that larger models like the CS-99A can command on eBay. The CS-787 represents one of the best value propositions in the vintage Pioneer speaker lineup, offering genuine performance and classic design at a fraction of the cost. As one enthusiast on Audiokarma noted, "The CS series sound real good for a resonably priced speakers, and can be had for well under $500, and even much much less for the 77's", a sentiment that certainly extends to the CS-787.

6.3 Ω to 8 Ω (varies depending on regional configurations) How They Sound

: The speaker utilizes a robust 8" woofer to provide deep, punchy low frequencies. This is expertly paired with a dedicated midrange driver and a crisp tweeter to ensure vocals and high frequencies are articulated with precision.

The Pioneer CS-787 Go to product viewer dialog for this item. : Make sure all drivers (tweeter, midrange, and

Some regional editions feature a small piezo or dome super-tweeter to extend the high-frequency response beyond the limits of human hearing.

Are you considering these for a or more for a casual/party space ?

Approximately 560 mm (H) x 320 mm (W) x 230 mm (D).

: At 7 kg per speaker, the cabinets provide enough structural mass to keep internal cabinet resonance low, ensuring that you hear the drivers rather than the vibrations of the wood. Modern Compatibility: Choosing an Amplifier