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.
1-inch dome tweeter, known for handling high power and producing clear highs.
On the used market, a pair in original condition typically sells for $150–$250, with refurbished or mint examples commanding higher prices. A 2020 listing showed a pair with fresh orange foam for $395, indicating that well‑maintained examples hold their value. cerwin vega at-40 specs
If you have the space and the desire for a speaker that truly rocks, the AT-40 is a classic worth seeking out.
Often requires re-foaming of the woofers over time, as the foam surrounds can degrade after several decades, which is common in vintage speaker restoration. The AT-40's acoustic performance is characterized by its
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One of the most impressive specifications of the Cerwin-Vega AT-40 is its . In practical terms, this means the speaker can produce a very loud 97 decibels of sound with just 1 watt of power measured at a distance of one meter. Because they are so efficient, you do not need a massive, high-end amplifier to drive them. Even a modest 35-watt vintage receiver or a modern budget amplifier can drive the AT-40 to room-shaking volumes without breaking a sweat. Sonic Signature 1-inch dome tweeter, known for handling high power
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.
The is a vintage floor-standing speaker from the "Acoustic Transformer" series, launched in the late 1980s. Known for high efficiency and substantial power handling, it was designed to deliver high sound pressure levels with minimal amplifier effort, making it a popular choice for large rooms or high-volume listening environments. Core Specifications
The rear terminal plate of the AT-40 includes high-frequency and mid-frequency attenuation switches or dials (depending on the exact production year). This allows users to manually adjust the output of the tweeter and midrange to match the acoustics of the room or compensate for overly bright source audio.
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