The is a legendary vintage 3-way floor-standing loudspeaker introduced in the late 1980s as part of the brand's celebrated AT (Audio Theater) series . Engineered during an era when physical size and raw acoustic efficiency dictated speaker design, the AT-40 combines Cerwin-Vega's iconic "loud and proud" concert-style sound with mid-sized, living-room-friendly dimensions.

10-inch (254 mm) cast-frame, high-excursion woofer with treated foam surround (characteristic orange color).

is a three-way, floorstanding, ported loudspeaker known for its high-efficiency design. Here are the core specifications: 3-Way Floorstanding Loudspeaker

When discussing the golden era of high-efficiency home audio, few names command as much respect—and nostalgic reverence—as . Known for their signature orange surrounds, aggressive styling, and earth-shaking bass response, Cerwin Vega speakers have been the party animal’s choice for decades. Among their storied lineup sits the Cerwin Vega AT-40 , a floor-standing tower that often flies under the radar compared to its larger siblings (like the AT-15 or D-9), yet delivers a potent blend of power handling, sensitivity, and classic CV character.

followed the classic Cerwin-Vega formula: high sensitivity and massive bass in a relatively efficient package

| Specification | Detail | |---------------|--------| | | 3-way, bass-reflex floor-standing loudspeaker | | Woofer | 10" (254mm) cast-frame woofer with CV’s proprietary foam surround | | Midrange | 5.25" (133mm) coated paper cone | | Tweeter | 1" (25mm) soft-dome ferrofluid-cooled tweeter | | Frequency Response | 32 Hz – 20 kHz (± 3 dB) | | Sensitivity (1W/1m) | 93 dB | | Nominal Impedance | 8 ohms | | Power Handling (RMS) | 150 watts | | Power Handling (Peak) | 300 watts | | Crossover Frequencies | 500 Hz / 5 kHz (2nd-order Linkwitz-Riley) | | Recommended Amplifier Power | 20 – 250 watts per channel | | Enclosure Type | Vented (rear-firing port) | | Dimensions (H x W x D) | 35" (889mm) x 14" (356mm) x 12" (305mm) | | Weight (per speaker) | 52 lbs (23.6 kg) |

Nominal 6-8 Ohms, making them compatible with most vintage and modern receivers. Key Features and Performance

: Like most Cerwin Vegas, the AT-40 excels in the low end. The 10-inch woofer (often featuring the iconic red/orange surround) provides a "chest-pounding" bass experience that is perfect for rock, hip-hop, and house music.

The Cerwin Vega AT-40 is a floor-standing, 3-way bass reflex loudspeaker designed for high-efficiency playback. True to the Cerwin Vega brand philosophy, the AT-40 is optimized for high sound pressure levels (SPL), deep bass extension, and dynamic headroom, making it suitable for both home theater and high-power stereo music systems.

The AT-40's versatility makes it suitable for various applications, including:

Based on user reviews and technician measurements, the Cerwin Vega AT-40 delivers:

The midrange driver handles vocals and instruments, while the soft dome tweeter provides crisp, clear high frequencies that do not become fatiguing, even at high volumes. The high sensitivity of these drivers means the speaker doesn't need huge power to reach "concert" levels. 3. Crossover & Protection

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