Cerwin Vega - At40 Specs

If you are ready to take on the project of restoring a classic pair, they offer a unique and timeless coolness that is hard to find in modern speakers.

The AT-40 beats the Elac in dynamics and sensitivity, losing only in imaging precision. It beats the Klipsch in smoothness (no horn harshness), but loses in ultimate SPL. For vintage rock, grunge, blues, and classic jazz, the AT-40 holds its own.

1-inch (2.5 cm) Mylar metallized dome micro-tweeter Performance Metrics Frequency Response: 35 Hz – 22,000 Hz (±3 dB)

10-inch ATW10 driver featuring the signature orange foam surround. Midrange: Dedicated cone driver for vocal clarity. cerwin vega at40 specs

10-inch high-excursion driver with a cast aluminum frame. European versions, often built under license at the Dali factory in Denmark, typically utilized the ATW10 woofer.

The "AT" stands for "Atlas," and the build quality matches the name. The woofer features a cast-aluminum frame (rather than stamped metal), which is more rigid and resonance-resistant. Combined with a rugged cabinet design, this allows the speaker to handle high power (200 watts RMS / 400 watts peak) without distortion or mechanical failure.

Fortunately, "re-foaming" is a very common, affordable DIY project. Kits containing the exact red foam replacements and adhesives are widely available online for under $30. Checking the Rear Controls and Fuses If you are ready to take on the

The Cerwin-Vega AT-40 is a vintage three-way bass reflex loudspeaker known for its high efficiency and signature "loud" sound profile. Introduced as part of the AT (Arc) series, these speakers were specifically designed to deliver high sound pressure levels with minimal amplifier power. Design: 3-way, Bass Reflex (ported) cabinet. Power Handling: 125 Watts. Frequency Response: 30 Hz – 22 kHz. Sensitivity: 95 dB (1 Watt @ 1 Meter). Nominal Impedance: 6 Ohms. Crossover Frequencies: 400 Hz and 3000 Hz.

Standard spring clips or binding posts (varying by region). Sound Profile and Legacy

While the rubber surrounds last longer than foam, they do harden over 30+ years. Hardened rubber reduces excursion and kills low bass. Test by gently pushing the cone: it should move smoothly without crunching. If the rubber feels like hard plastic, you need a re-surround kit (available from Simply Speakers or Midwest Speaker). For vintage rock, grunge, blues, and classic jazz,

The dedicated 5-inch midrange driver handles the critical vocal and instrumental fundamentals, ensuring clarity and presence. The 1-inch tweeter takes over the highest frequencies, adding air, sparkle, and detail to cymbals and other high-end harmonics.

is a vintage, 3-way bass-reflex loudspeaker manufactured under the legendary AT (Advanced Technology) series during the late 1980s and early 1990s . Revered by vintage audio collectors, this mid-sized floor-standing tower combines Cerwin-Vega's trademark high-efficiency, party-rocking bass with an accurate, balanced three-way driver configuration. Cerwin-Vega AT-40 Go to product viewer dialog for this item. Technical Specifications The official factory specifications for the Cerwin-Vega AT-40 Go to product viewer dialog for this item.