Cerwin Vega At40 Specs Fix [portable] Jun 2026

If you are re-amping or repairing the crossovers, do not assume the woofer handles deep sub-bass duty alone. The passive radiator on the back is doing heavy lifting. If you feed the woofer a signal below 25Hz at high volume (trying to push that "spec" of 28Hz), you will bottom out the woofer because the passive radiator can't keep up with the air displacement.

| Parameter | Measurement | | :--- | :--- | | | 3-way, ported | | Woofer | 10" (Part # 1214 or similar stamped frame) | | Midrange | 4" paper cone (sealed back) | | Tweeter | 1" Polycarbonate dome | | Power Handling | 150 Watts RMS / 250 Watts Peak | | Impedance | 8 Ohms (nominal) | | Sensitivity | 96 dB @ 1W/1m (Very efficient) | | Frequency Response | 32 Hz - 20 kHz (usually -3dB at the low end) | | Crossover Points | ~500 Hz, ~4 kHz | | Enclosure | Vented, rear-firing port | | Dimensions | 36" H x 13" W x 12" D | cerwin vega at40 specs fix

Many generic databases list the AT-40 crossover frequency incorrectly, or owners try to bi-amp them using wrong data points. The AT-40 utilizes a unique "Stroker" passive radiator setup. The crossover point between the massive 15-inch woofer and the midrange driver is roughly 500Hz to 600Hz , and then again from the midrange to the tweeter around 3.5kHz - 4kHz . If you are re-amping or repairing the crossovers,

Have you experienced any issues with your Cerwin-Vega AT-40 subwoofer? Share your experiences and any fixes you've found in the comments below! | Parameter | Measurement | | :--- |