The "AT" series (including the AT-40) is distinct from the more common "AT" (Acoustic Thunder) series from the late 1980s/early 1990s. The AT-40 is a later model (circa late 1990s to early 2000s), often considered part of the "Intensity" or transitional series, featuring a more modern, curved cabinet design while retaining Cerwin-Vega's signature high-efficiency, high-output philosophy.

| Specification | Details | | :--- | :--- | | | 3-Way, Bass Reflex (Front-firing port) | | Woofer | 10" (250mm) Part No. 1210 (Red Foam Surround) | | Midrange | 4.5" (114mm) Cone type | | Tweeter | 1" (25mm) Soft Dome | | Frequency Response | 38 Hz – 20 kHz (± 3 dB) | | Power Handling (RMS) | 100 Watts | | Power Handling (Peak) | 200 Watts | | Sensitivity (1W/1m) | 98 dB | | Nominal Impedance | 8 Ohms (compatible with 4-8 ohm outputs) | | Crossover Frequencies | 800 Hz / 5,000 Hz | | Recommended Amplifier Power | 20 – 200 Watts per channel | | Enclosure Material | Vinyl-laminated MDF | | Dimensions (H x W x D) | 25.5" (648mm) x 14.5" (368mm) x 12.5" (318mm) | | Weight (each) | Approx. 42 lbs (19 kg) |

These floor-standing speakers are known for their high efficiency, "rock-and-roll" dynamics, and the iconic red-framed woofers.

The is a vintage 3-way floorstanding speaker known for its high efficiency and punchy bass, common to the AT (Advanced Technology) series. These speakers were often manufactured at the Dali factory in Denmark for the European market using American-made drivers. Core Specifications Speaker Type: 3-Way Bass Reflex (Ported)

: 1-inch Mylar or phenolic dome tweeter with high-frequency level controls for fine-tuning the "sizzle". Audio Performance & Legacy Go to product viewer dialog for this item.

The AT-40 employs a multi-element, air-core inductor and Mylar capacitor network for the mid and high frequencies.