At-40 Specs |link|: Cerwin Vega
| Specification | Detail | | :--- | :--- | | | 3-Way, Bass Reflex (Rear Ported) | | Tweeter | 1-inch (25mm) Polycarbonate dome with Ferrofluid cooling | | Midrange | 4.5-inch (114mm) Polymer-coated paper cone | | Woofer | 10-inch (254mm) Treated Paper cone with Stitched Foam Surround | | Impedance | 8 Ohms (nominal) | | Sensitivity | 97 dB (1W/1m) – Very High | | Power Handling | 20 – 200 Watts RMS (peak: 300W) | | Frequency Response | 32 Hz – 20 kHz (±3 dB) | | Crossover Frequencies | 200 Hz / 3 kHz | | Crossover Type | Linkwitz-Riley (2nd order electro-acoustic) | | Terminals | Bi-wire / Bi-amp capable (5-way binding posts) |
1-inch Mylar dome tweeter for crisp high-frequency reproduction. What Makes it a Classic? Cerwin-Vega AT-100 Loudspeakers (Vintage) - Facebook
As with any vintage speaker, check the surrounds. If they are original, they likely need replacing. cerwin vega at-40 specs
As part of the AT series, the AT-40 was designed for "loud and fun" listening rather than clinical accuracy. Key features include:
If you test a pair and notice a tweeter is cutting out during heavy play, the PTC device is doing its job. If a tweeter stays silent permanently, it may need to be unbolted to verify that the crossover wires are still attached or replaced entirely. | Specification | Detail | | :--- |
The core appeal of the Cerwin-Vega AT-40 lies in its impressive electrical efficiency and massive headroom. Unlike modern low-sensitivity bookshelf speakers that require high-current amplifiers, the AT-40 can reach party-level volumes with a modest power source. 📊 Technical Spec Sheet Specification 3-Way Bass Reflex (Ported Enclosure) Frequency Response 30 Hz – 22 kHz Power Handling Capacity 125 Watts (Continuous RMS) Sensitivity (1W @ 1M) Nominal Impedance Crossover Frequencies 400 Hz / 3,000 Hz High Frequency Protection PTC (Positive Temperature Coefficient) Automatic Reset Cabinet Dimensions (H x W x D) 730 mm x 365 mm x 320 mm (approx. 28.7" x 14.3" x 12.6") Drivers and Acoustic Architecture
: Crossing over at 400 Hz, the dedicated midrange driver handles vocal clarity and electric guitar punch, keeping the critical midband clean before handing off to the upper register. If they are original, they likely need replacing
is a substantial floor-standing unit designed for serious home audio setups.