is not designed for that market. Instead, it is engineered for .
Perfect for hosting parties; they fill large spaces effortlessly.
This is where early AT-40s differ from late models. The original spec calls for a 1" soft dome (similar to a Vifa or Audax design). Later units (post-1990) used a phenolic ring radiator—more efficient but slightly less detailed. The soft dome version is rarer and more desirable for hi-fi use. cerwin vega at40 specs
Introduced in the late 1980s and running into the 1990s, the AT series was engineered to bridge the gap between traditional high-fidelity home audio and high-impact theater sound. Cerwin-Vega’s primary goal was efficiency: creating speakers that could produce deafening volume levels and chest-thumping bass without requiring massive, expensive amplifiers.
Like many speakers in the AT series, the AT-40 is designed for high output and "concert-level" sound in a home setting. Its high sensitivity ( is not designed for that market
If you find a pair of Cerwin Vega AT40s with intact cabinets, buy them. Budget $50 for a re-foam kit and one afternoon of work. Once restored, these speakers will give you a 38Hz low end and party-level volume that puts most modern $1,000 bookshelf speakers to shame. The specs don't lie—this is a high-efficiency legend.
Since the AT-40 has been discontinued for many years, its value is determined by the second-hand market. Forum posts from the mid-2000s mention prices around 1500 SEK (approximately $150 USD at the time) for a pair in "top condition". Today, prices vary greatly based on condition, whether the woofers have been refoamed, and the local market. A well-maintained pair can often command higher prices, reflecting their growing status as a sought-after vintage classic. This is where early AT-40s differ from late models
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.
| Specification | Details | | :--- | :--- | | | 3-Way, Bass Reflex (Front-firing port) | | Woofer | 10" (250mm) Part No. 1210 (Red Foam Surround) | | Midrange | 4.5" (114mm) Cone type | | Tweeter | 1" (25mm) Soft Dome | | Frequency Response | 38 Hz – 20 kHz (± 3 dB) | | Power Handling (RMS) | 100 Watts | | Power Handling (Peak) | 200 Watts | | Sensitivity (1W/1m) | 98 dB | | Nominal Impedance | 8 Ohms (compatible with 4-8 ohm outputs) | | Crossover Frequencies | 800 Hz / 5,000 Hz | | Recommended Amplifier Power | 20 – 200 Watts per channel | | Enclosure Material | Vinyl-laminated MDF | | Dimensions (H x W x D) | 25.5" (648mm) x 14.5" (368mm) x 12.5" (318mm) | | Weight (each) | Approx. 42 lbs (19 kg) |
| Model | Woofer | Sensitivity | Low-End | Key Difference | |-------|--------|-------------|---------|----------------| | | 10" | 95 dB | 32 Hz | Curved cabinet, rear port | | AT-15 | 15" | 101 dB | 28 Hz | Larger, higher output, dual mids | | D-5 | 10" | 95 dB | 38 Hz | Traditional box, front port | | E-310 | 10" | 95 dB | 34 Hz | Updated tweeter, modern crossover |
Like most Cerwin-Vega designs, the Go to product viewer dialog for this item.