Specs don’t tell the whole story. Here is what the actually sounds like.

If you are shopping for vintage AT-40s, the original specs will help you spot fakes or damaged units.

Cerwin-Vega AT-40 is a vintage 3-way bass reflex floor-standing speaker known for its high efficiency and deep bass output, typical of the AT (Advanced Technology) series. Technical Specifications 3-way speaker system, bass reflex enclosure. Frequency Response: 30 Hz – 22 kHz. Power Handling: 125 Watts. Sensitivity: 95 dB (1W/1m). Nominal Impedance: Crossover Points: 400 Hz and 3000 Hz. Protection: Self-resetting PTC (tweeter protection). Classic Audio Physical Dimensions Classic Audio

Cerwin-Vega AT-40 is a vintage 3-way floor-standing loudspeaker from the "Arc-Tower" series, known for its high efficiency and deep bass characteristic of the brand. These speakers were often manufactured under license at the Dali factory in Denmark for the European market, utilizing components imported from the United States. Technical Specifications is designed as a passive, vented (ported) speaker system. : Power Handling : (Continuous/RMS). Sensitivity : Nominal Impedance : Crossover Points :