1. 4-Way Speaker Design Unlike standard 2-way or 3-way speakers, the AT-40 utilizes a sophisticated 4-way driver configuration. This allows the speaker to dedicate specific drivers to specific frequency ranges, ensuring that vocals remain clear, mids are present, and highs sparkle without distortion, even at high volumes.
2. Legendary "Eyes" High-Frequency Driver A signature of the AT series, the AT-40 features Cerwin-Vega’s iconic dome tweeter, often referred to as the "Eyes" due to its distinct visual profile. This driver delivers crisp, room-filling high frequencies with a wide dispersion pattern, ensuring every seat in the house is the "sweet spot."
3. Massive 12-Inch Cast-Frame Woofer At the heart of the AT-40 is a massive 12-inch woofer. Featuring a cast-aluminum frame and a high-excursion cone, this driver is engineered to move serious air. It delivers the chest-thumping bass Cerwin-Vega is famous for, minimizing low-frequency distortion without the immediate need for a subwoofer. cerwin vega at-40 specs
4. High-Efficiency Performance With a sensitivity rating often exceeding 98dB, the AT-40 is incredibly efficient. This means they require less amplifier power to reach cinema-level volumes compared to standard audiophile speakers. They are easy to drive for most AV receivers but truly shine when paired with high-current amplification.
5. Rear-Firing Passive Radiator To extend the low-frequency response even deeper without port noise, the AT-40 utilizes a rear-firing passive radiator. This auxiliary bass radiator reinforces the bottom end, adding weight and impact to action movies and bass-heavy music tracks. Here is the detailed breakdown of the manufacturer's
6. Rugged Cabinet Construction Built like a tank, the AT-40 features a dense, non-resonant wood cabinet designed to withstand the physical energy of high-decibel playback. The classic styling often features a wood-grain vinyl finish and a removable grille, showcasing the massive drivers within.
Here is the detailed breakdown of the manufacturer's specifications. Note: Cerwin Vega published minor variations over the production run (approx. 1988–1993). The specs below represent the most common, canonical data set. Tweeter: 1 x 1-inch (25mm) soft dome tweeter
Midrange: 4.5-inch (114 mm) sealed-back midrange driver with treated paper cone.
Tweeter: 1-inch (25 mm) polycarbonate dome tweeter with magnetic fluid cooling.