Like many speakers in the AT series, the AT-40 is designed for high output and "concert-level" sound in a home setting. Its high sensitivity (
The is crucial. Do not place these against a wall. They need at least 12 inches of breathing room behind them. If you place them flush against a wall, the 38 Hz tuning will balloon to 55 Hz, resulting in boomy, one-note bass.
Understanding the numbers above tells us a great deal about how the AT-40s are designed to perform. cerwin vega at40 specs
The heart and soul of the AT-40 is its 10-inch low-frequency driver. Cerwin-Vega utilized a custom-cast frame and a lightweight, rigid paper cone. This cone is suspended by their signature red foam surround. The rear-ported cabinet design allows this 10-inch driver to drop down to a subterranean 38 Hz, delivering tight, punchy, and highly physical bass that you can feel in your chest. 2. Dedicated 5-Inch Midrange
Cerwin-Vega AT-40 Specs: A Detailed Guide to the Classic Loudspeaker Like many speakers in the AT series, the
Takes over at 400 Hz and extends up to 3,000 Hz. This dedicated mid-range ensures that vocals and instruments retain distinct separation from the heavy bass frequencies generated by the woofer. 3. High-Frequency Driver (Tweeter) Size: 1 inch (2.54 cm) Type: Polycarbonate or microcell polymer dome tweeter.
The AT-40 is a 3-way, bass-reflex floor-standing loudspeaker. It is the smaller sibling to the AT-60, but unlike the AT-60 which sometimes struggled with midrange muddiness, the AT-40 is praised for a surprisingly balanced sound for its size—provided you feed it enough clean power. They need at least 12 inches of breathing room behind them
This speaker is highly efficient (approx. 98 dB sensitivity ). This means it requires very little amplifier power to produce loud volumes. While many high-end audiophile speakers require massive amps to drive them, the AT-40s can rock the house with even a modest receiver, making them easy to drive.
, like most Cerwin-Vegas of its era, is built for .
The company, founded by aerospace engineer Gene Czerwinski in 1954, had built its reputation on reproducing a live musical experience. This philosophy was perfectly embodied in the AT-40: a speaker that prioritizes raw energy and dynamic range, making it a natural fit for home theater and high-volume listening sessions, rather than the subtle, analytical listening preferred by some audiophiles.