The is a legendary vintage 3-way bass-reflex loudspeaker from the mid-to-late 1980s, highly revered by audiophiles for its intense 95 dB sensitivity , punchy 30 Hz to 22 kHz frequency response , and iconic red-rimmed 10-inch woofer . Built during an era when Cerwin-Vega dominated both the home audio market and concert venues with its high-efficiency design philosophies
| Specification | Detail | | :--- | :--- | | | 3-way | | Woofer (Bass) | 10" (25 cm) driver with iconic red foam surround | | Midrange | Typically 4.5" (sometimes listed as 5") cone driver | | Tweeter (High) | 1" dome tweeter | | Crossover Frequencies | 400 Hz & 3000 Hz | | Frequency Response | 30 Hz – 22 kHz | | Sensitivity (1W/1m) | 95 dB | | Impedance (Rated) | 6 Ohms |
Despite being a classic model, the Cerwin-Vega AT-40 remains relevant for several reasons:
The company’s commitment to realistic, impactful sound reached a cultural peak in the 1970s when it co-developed "Sensurround," a low-frequency effects system used in the 1974 disaster film Earthquake to create physical vibrations in movie theaters. This expertise in powerful, low-distortion bass would become the signature trait of their consumer products for years to come. The AT-40 speakers are a prime example of that legendary design philosophy, belonging to a lineage of speakers built to rock. cerwin vega at40 specs
According to factory specifications, the AT-40 achieves a . The extension down to 32 Hz is remarkable for a speaker of this era and size. Where many floor-standing speakers of the late 80s rolled off sharply at 45 Hz, the AT-40 digs into true sub-bass territory. This is achieved through the front-firing ported enclosure . The rectangular port, flared to reduce chuffing (air noise), is tuned to a low frequency, trading off group delay (slightly "looser" bass) for sheer depth and output.
A standout feature of the AT-40 is the inclusion of manual acoustic adjustments on the rear plate. Listeners can manually adjust the output levels of both the midrange and the tweeter using dials. This is incredibly helpful for tailoring the speaker's sound profile to your specific room acoustics—allowing you to tone down the brightness in a room with hardwood floors, or boost the mids in a heavily carpeted space. Performance Characteristics: How Do They Sound?
: With a 95 dB sensitivity rating, these speakers can reach high volumes with very little power, making them a favorite for vintage receivers. The is a legendary vintage 3-way bass-reflex loudspeaker
1-inch (2.5 cm) Micro-cell polymer dome tweeter or dome/cone hybrid for crisp high frequencies. Performance Metrics
Here is the definitive list of technical specifications for the Cerwin Vega AT-40.
The AT-40 was part of Cerwin-Vega's popular "AT" (Audio Technology) series, well-regarded for offering the brand's signature high-efficiency sound and deep bass in a more home-friendly "bookshelf" style cabinet (though they are large enough to be considered floor-standing by modern standards). The AT-40 speakers are a prime example of
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
Known for their robust, furniture-style presence, these speakers are relatively manageable compared to the massive Cerwin-Vega AT-15 . Approximately
For decades, Cerwin-Vega has been synonymous with powerful, room-filling sound. Renowned for their high efficiency, deep bass, and iconic red foam woofer surrounds, their speakers have found a home in the hearts of rock enthusiasts, movie lovers, and anyone who craves an energetic, "live" audio experience. Among their most beloved vintage offerings is the , a classic three-way floor-standing speaker that perfectly encapsulates the brand's no-holds-barred philosophy.