Cerwin Vega At40 Specs
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.
While the AT-40 can handle any audio source, they truly shine with genres that rely on dynamics and low-frequency energy:
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.
I can give you specific advice on setup, re-foaming, or amplifier compatibility. cerwin vega at40 specs
The Cerwin-Vega AT-40 remains a highly sought-after vintage loudspeaker for a reason. By blending a highly efficient 3-way design with a robust 10-inch woofer, they offer a level of dynamic excitement and raw power that is difficult to find in modern, slim tower speakers. If you have the floor space and love a lively, impactful audio experience, the AT-40 is a legendary piece of audio history well worth owning.
Known for their robust, furniture-style presence, these speakers are relatively manageable compared to the massive Cerwin-Vega AT-15 . Approximately
95 dB (1W/1m), making them very efficient and easy to drive with low-power amplifiers Nominal Impedance: 6 Ohms Crossover Frequencies: 400 Hz and 3,000 Hz The AT-40’s impedance dips to 5
The AT-40 is a large, floor-standing three-way loudspeaker. It was designed for listeners who demanded physical bass authority, clear mid-range presence, and sizzling highs. It sat just below the flagship AT-100 (and its sibling AT-15) in the lineup, offering a slightly more manageable footprint while retaining the signature Cerwin-Vega house sound. Detailed Cerwin-Vega AT-40 Specifications
The 10-inch woofers easily reproduce deep synthesized sub-bass lines.
The standout specification of the AT-40 is its . In plain terms, this means that with just 1 watt of power input, these speakers produce 97 decibels of sound measured from one meter away. This makes them incredibly easy to drive. While high-end audiophile speakers often require expensive, high-current power amplifiers to wake up, the AT-40 can reach deafening, party-level volumes using a modest, budget-friendly vintage receiver or a modern home theater AVR. The "West Coast" Sound While the AT-40 can handle any audio source,
The original red foam surrounds deteriorate over time due to humidity and UV exposure. If the red foam looks crumbly, torn, or is missing entirely, the woofers will need to be re-foamed. Luckily, re-foam kits are inexpensive ($20–$30) and a popular DIY project.
Before we dive into the datasheet, context matters. The "AT" series stood for "Acoustically Tuned." This was Cerwin Vega’s mid-to-late 80s attempt to compete with brands like JBL, Klipsch, and Infinity in the "high-end consumer" space. Unlike the brutally simple CV speakers of the 70s, the AT series featured:
Self-resetting PTC circuit breaker for the tweeter Physical Dimensions Height: 730 mm (approx. 28.7 inches) Width: 365 mm (approx. 14.4 inches) Depth: 320 mm (approx. 12.6 inches) User Insights & Maintenance Cerwin-Vega SL Series Home Audio Speakers & Subs
10-inch ATW10 driver featuring the signature orange foam surround. Midrange: Dedicated cone driver for vocal clarity.