Cerwin Vega At-40 Specs Jun 2026

For vintage audiophiles, collectors, and restorations, knowing the exact factory specifications is critical to matching amplifiers and sourcing original parts. The AT-40 is built as a highly efficient bass-reflex enclosure featuring a passive, 3-way crossover design. Component / Metric Factory Specification 3-Way Loudspeaker, Bass-Reflex (Rear Ported) Low Frequency (LF) Driver 10-inch (250mm) High-Excursion Woofer (Model ATW-10) Mid Frequency (MF) Driver 4-inch (100mm) Cone Midrange (Model AT-M5) High Frequency (HF) Driver 1-inch (25mm) Mylar Polycarbonate Dome Tweeter Frequency Response 30 Hz to 22,000 Hz (±3dB) Power Handling Capacity 5 Watts RMS (Minimum) / 125 Watts Continuous (Maximum) Sensitivity / Efficiency 95 dB SPL at 1 Watt / 1 Meter Nominal Impedance 6 Ohms (Safe for 4-Ohm and 8-Ohm Stable Amplifiers) Crossover Points 400 Hz and 3,000 Hz Tweeter Protection Integrated Self-Resetting PTC Device / Breaker Cabinet Dimensions 730 mm × 365 mm × 320 mm (H × W × D) Enclosure Finish High-Density Composite Board with Woodgrain Vinyl Wrap In-Depth Component Breakdown 1. Low-Frequency Punch: The 10-Inch Woofer

The cabinet is built from heavy, internally braced composite material finished in a scuff-resistant woodgrain vinyl veneer. It utilizes a large rear-firing or front-firing tuned port (depending on the production year variant) to amplify low-end efficiency. The design excels at making kick drums and bass guitars feel physically impactful rather than just audible. These Speakers Absolutely Changed My Life

The Cerwin Vega AT-40 is an exceptional loudspeaker that offers a unique combination of sound quality, versatility, and value. Its impressive specs, durable construction, and accurate sound reproduction make it an ideal choice for various applications, including live sound, installations, and recording studios. Whether you're an audiophile, musician, or sound engineer, the Cerwin Vega AT-40 is definitely worth considering.

If you are hunting for a vintage pair of AT-40s on the secondhand market or already own a set, a few basic maintenance steps will keep them performing for decades: Cerwin Vega AT-40 - Classic Audio cerwin vega at-40 specs

: Crossover points split the signal at 400 Hz, sending crucial vocal and instrumental frequencies to a dedicated mid-range cone. This relieves the woofer from playing mid-tones, ensuring cleaner, more defined dialogue and presence.

With a sensitivity rating often exceeding 98dB, the AT-40 is incredibly efficient. This means they require less amplifier power to reach cinema-level volumes compared to standard audiophile speakers. They are easy to drive for most AV receivers but truly shine when paired with high-current amplification.

The is a vintage 3-way floor-standing speaker known for its high efficiency and massive output, often described as a "party speaker" capable of reaching high sound pressure levels with minimal power. While specific detailed brochures for the AT-40 model specifically are rarer than its larger siblings (like the AT-80 or AT-100), it follows the standard design of the AT series introduced in the late 1980s. Technical Specifications Low-Frequency Punch: The 10-Inch Woofer The cabinet is

Because of the 38 Hz low-end extension and front port, the AT-40 is forgiving but specific.

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If you are hunting for a pair of vintage Cerwin Vegas or considering a restoration project, understanding the is essential. This article breaks down every technical detail, from frequency response to crossover points, and explains what those numbers mean for your listening experience. These Speakers Absolutely Changed My Life The Cerwin

: The acoustic tuning makes the AT-40 highly synergetic with high-energy genres like classic rock, hip-hop, electronic dance music, and action movie soundtracks. Ownership and Maintenance Tips

How to use them effectively

The centerpiece of the AT-40 is its 10-inch low-frequency transducer. Built with a rugged frame and a lightweight, rigid blended cone, it allows for high-velocity linear movement. The iconic red foam surround is not just for show; it provides high compliance, allowing the woofer to drop to a deep effortlessly. Because the cabinet uses a tuned bass-reflex design, air moves efficiently out of the port to reinforce subterranean rumble without straining your amplifier. 2. The Midrange and High-Frequency Assembly

The heart of the AT‑40 is a 10‑inch woofer with the company’s signature red foam surround. This lightweight cone is designed for fast transient response and high mechanical stability, allowing it to move a large volume of air with minimal distortion. The red foam surround not only looks distinctive but also provides the flexibility needed for long excursion, which contributes to the deep, punchy bass that Cerwin‑Vega is famous for. To accommodate the woofer’s travel, the cabinet is built as a , with a rear‑firing port that reinforces low frequencies and reduces air turbulence at high output levels.