Cerwin Vega At-40 Specs May 2026
The Cerwin-Vega AT-40 is a vintage 3-way floor-standing loudspeaker from the popular "AT" (Advanced Technology) series released in the late 1980s. These speakers are known for their high sensitivity and ability to produce high volume with deep bass, a signature trait of the brand. Core Specifications Speaker Type: 3-way floor-standing loudspeaker. Frequency Response: 30 Hz – 20,000 Hz.
Protection: Integrated self-resetting PTC protection for the drivers. Physical Dimensions and Build cerwin vega at-40 specs
Tweeter: 1-inch dome tweeter, known for handling high power and producing clear highs. The Cerwin-Vega AT-40 is a vintage 3-way floor-standing
Introduced in the late 1980s, the AT-40 (sometimes marketed as the AT-10 in certain regions) carries the brand's reputation for high efficiency and chest-thumping bass. Classic Audio Technical Specifications Foam Surrounds – The 10" woofer will need
, these speakers are extremely efficient, making them compatible with a wide range of vintage and modern receivers.
- Foam Surrounds – The 10" woofer will need re-foaming if original. Kits are available from Simply Speakers, Midwest Speaker, or eBay.
- Ferrofluid in Tweeter – After 25+ years, the ferrofluid can dry up, causing dull highs. Replacing it is delicate but possible.
- Binding Posts – The original push terminals are cheap. Upgrade to 5-way binding posts for better connectivity.
- Capacitors in Crossover – Electrolytic caps drift out of spec. A recap using polypropylene capacitors can restore original frequency response.
Three-Way Design: By splitting the audio across a dedicated woofer, mid-range driver, and tweeter, the AT-40 manages a fuller soundstage than smaller two-way bookshelf speakers of the same era.