The most "solid" feature of the Cerwin-Vega AT-40 is its massive 12-inch woofer paired with a massive 200-watt power handling capability.
According to factory specifications, the AT-40 achieves a frequency response of 32 Hz to 20,000 Hz (±3 dB). The extension down to 32 Hz is remarkable for a speaker of this era and size. Where many floor-standing speakers of the late 80s rolled off sharply at 45 Hz, the AT-40 digs into true sub-bass territory. This is achieved through the front-firing ported enclosure. The rectangular port, flared to reduce chuffing (air noise), is tuned to a low frequency, trading off group delay (slightly "looser" bass) for sheer depth and output. cerwin vega at40 specs
Often overshadowed by its larger siblings (AT-60, AT-100, AT-15), the AT-40 represents a fascinating moment in hi-fi history—a bridge between the gritty, party-speaker reputation of CV and the refined "studio monitor" aspirations of the era. For collectors and budget vintage buyers, understanding the AT-40 specs is the key to unlocking a surprisingly versatile loudspeaker. The most "solid" feature of the Cerwin-Vega AT-40
Here is why this feature stands out:
2. The Midrange
The sealed-back 4" cone midrange is the unsung hero. Many CV speakers have a "hole" in the upper midrange due to crossing a large woofer directly to a horn. The AT-40 dedicates a driver to 600Hz–4.5kHz—the exact region of vocals, guitars, and snare drums. This gives the AT-40 a presence that cheaper CV speakers lack. Midrange: 1 x 4
Cerwin-Vega AT-40 Go to product viewer dialog for this item.
Protection: Self-resetting PTC circuit breaker for the tweeter Physical Dimensions Height: 730 mm (approx. 28.7 inches) Width: 365 mm (approx. 14.4 inches) Depth: 320 mm (approx. 12.6 inches) User Insights & Maintenance Cerwin-Vega SL Series Home Audio Speakers & Subs