Cerwin Vega At-40 Specs Site

Please note: The AT series (including the AT-40) was produced in the mid to late 1990s as a consumer "home stereo" tower. It is distinct from the later "XLS" or "Classic" series.

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How to use them effectively

: Like most Cerwin Vegas, the AT-40 excels in the low end. The 10-inch woofer (often featuring the iconic red/orange surround) provides a "chest-pounding" bass experience that is perfect for rock, hip-hop, and house music. Please note: The AT series (including the AT-40)

The AT-40's acoustic performance is characterized by its clear, detailed highs and tight, controlled lows. The speaker's 12-inch woofers provide a robust low-end response, while the 1.5-inch high-frequency driver delivers crisp, accurate treble. The AT-40's frequency response is remarkably flat, with a deviation of only ±3 dB from 50 Hz to 15 kHz.

While Cerwin-Vega never formally archived the AT-40's datasheet, a complete technical picture has been assembled from vintage classified advertisements, owner forums, and enthusiast blogs. The table below consolidates the most reliable specifications available for this model. Share public link Save on Open Box Speakers

Understanding the numbers is one thing. Knowing how they affect your listening experience is another.

The visual hallmark of any classic Cerwin-Vega speaker is the striking red foam surround on the woofer. The AT-40 features a 10-inch low-frequency driver built on a rugged chassis. This woofer utilizes a lightweight, rigid paper cone optimized for fast transient response and high sound pressure levels (SPL). The cabinet's rear porting allows the 10-inch driver to drop down to a true 35 Hz, delivering deep, physical bass that you can feel in your chest. 2. Dedicated 5-Inch Midrange

Most modern bookshelf speakers average 85–87 dB sensitivity. That means to achieve the same volume as the AT-40, they need roughly 4 to 5 times more amplifier power.

: They are particularly effective in large rooms where "huge bass" and loud high frequencies are desired. While they may not be the first choice for "quiet, detailed critical listening," they excel in delivering an impactful, "party-ready" sound. Cerwin Vega AT-40 - Classic Audio