Cerwin Vega At40 Specs //free\\ Review
The AT-40 embodies the classic "West Coast Sound"—a term coined in the audio industry to describe speakers with a forward, energetic, and bass-heavy presentation. They are not designed to be perfectly flat, analytical studio monitors. Instead, they are tuned for maximum fun, excitement, and impact.
This is where early AT-40s differ from late models. The original spec calls for a 1" soft dome (similar to a Vifa or Audax design). Later units (post-1990) used a phenolic ring radiator—more efficient but slightly less detailed. The soft dome version is rarer and more desirable for hi-fi use.
In the used market, the AT-40 offers incredible performance-to-price value compared to modern, low-efficiency speakers. Conclusion
With a sensitivity rating of 95 dB, the AT-40 is incredibly efficient. While modern home theater speakers often require high-end, high-current amplifiers to wake up, the AT-40 can easily be driven to high volumes using a modest, vintage 30-watt receiver. Bass-Forward Sound Signature cerwin vega at40 specs
Like most vintage Cerwin-Vega speakers, the
If you want to know more about similar models, I can help you: Find replacement parts Suggest compatible modern amplifiers Just let me know what you'd like to explore next! Share public link
The Cerwin-Vega AT-40 is a three-way, bass-reflex floor-standing loudspeaker designed for high-efficiency home audio and home theater applications. True to Cerwin-Vega’s heritage, the AT-40 prioritizes dynamic range, high sensitivity, and extended low-frequency response. The system is characterized by a distinctive 10-inch cast-frame woofer with a proprietary foam surround, a midrange driver, and a polycell horn-loaded tweeter. This report details the technical specifications, driver configuration, enclosure design, and performance expectations. The AT-40 embodies the classic "West Coast Sound"—a
Equipped with a PTC (Positive Temperature Coefficient) self-resetting circuit protector for the tweeter. Driver Configuration
The following specifications are commonly cited for the AT-40 model: Specification Frequency Response 30 Hz – 22 kHz Power Handling 125 Watts (Peak/Maximum) Sensitivity (1W/1M) Nominal Impedance Crossover Frequencies 400 Hz and 3,000 Hz LF Driver (Woofer) 10-inch (ATW10) with fiber-impregnated cone Midrange Driver 5-inch cone HF Driver (Tweeter) 1-inch soft dome with ferrofluid and waveguide Protection
What is the on the woofers? What size room will you be placing these speakers in? This is where early AT-40s differ from late models
The AT series was introduced by Cerwin-Vega in the late 1980s as a premium, high-output loudspeaker line for home audio setups. The series ranged from the smaller, bookshelf-sized AT-8 up to the massive, dual-woofer AT-100 (known as the AT-15 in the US market).
Cerwin-Vega AT-40 Go to product viewer dialog for this item.
At 95 dB, it is far more efficient than modern bookshelf speakers, converting more power into pure sound.
The AT-40’s impedance dips to 5.2 ohms at 120Hz. Some low-end AV receivers may struggle. Stick to 6-8 ohm stable amplifiers.
Vocals and instruments are handled by a dedicated midrange driver crossing over at . This frees the woofer to focus entirely on low-end frequencies. The high frequencies are handled by a crisp, high-efficiency tweeter that carries the signal up to 22 kHz . The crossover transition at 3,000 Hz ensures that critical vocal ranges remain smooth and coherent. 3. PTC Protection Circuitry