| Specification | Detail | | :--- | :--- | | | 3-Way, Bass Reflex (Rear Ported) | | Warranty (Original) | 5 Years (Drivers) | | Production Era | 1988 – 1993 (approx.) | | Country of Origin | USA (Assembled in California) |

Unlike the iconic orange-surround woofers of the later DX/V series, the AT-40 uses a black butyl rubber surround. This is a clue: CV wanted tighter bass, not just boom. The cast polymer frame reduces ringing. The voice coil is a 1.5" high-temperature Kapton former. This woofer is punchy, not sloppy, but it requires clean power.

strikes a perfect middle ground within the "Audio Theater" (AT) series. It delivers massive, floor-shaking sound pressure levels without requiring a high-end, high-wattage power amplifier. Cerwin-Vega AT-40 Core Specifications

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

Specs don't tell the full story. Here’s how the AT-40 behaves in a room with modern gear.

Because these speakers are several decades old, finding a pair on the used market requires a bit of inspection. If you are hunting for a set, keep the following in mind:

If you are looking for an ultra-flat, sterile studio monitor for analytical listening, the AT-40 is not it. These speakers were built to be fun, dynamic, and incredibly loud.

5 Watts minimum to 150 Watts RMS maximum program power Sensitivity: 95 dB at 1 Watt / 1 Meter

This article provides a detailed breakdown of the , performance characteristics, and why they remain popular among audiophiles and rock music enthusiasts today. Overview of the Cerwin-Vega AT-40

The Cerwin-Vega AT-40 is suitable for a variety of applications, including:

Here are the factory specs as published in the original Cerwin Vega product literature (circa 1988-1991). Note: Some values vary slightly between the early and late production runs.

Like its siblings, it features the iconic red-ringed woofer and a bass-reflex cabinet designed to "move the air".