Cerwin Vega At-40 Specs May 2026

The Cerwin-Vega AT-40 is a vintage three-way floorstanding speaker from the popular "AT" (Advanced Technology) series, which was notably manufactured at the Dali factory in Denmark for the European market

Crossover Frequency: 3,000 Hz (12 dB/octave Linkwitz-Riley slope)

Crossover Components: Air-core inductors and polypropylene capacitors (higher quality than budget lines)

5.2 Trade-offs

• Midrange coloration: Slight emphasis around 1–2 kHz due to cone breakup (common for polycone mids).
• Foam surround degradation: Original surrounds require replacement after 15–20 years (common for CV drivers).
• Precision vs. excitement: Not a “monitor” speaker; slightly elevated bass and treble for lively presentation.

(measured at 1 Watt/1 Meter), allowing it to reach high volumes even with lower-powered amplifiers. Nominal Impedance: . Crossover Points: and . cerwin vega at-40 specs

Tone Controls: Most units include rear-mounted potentiometers for adjusting high and mid-range output to suit room acoustics. The Cerwin-Vega AT-40 is a vintage three-way floorstanding

Tweeter: 1-inch dome tweeter, known for handling high power and producing clear highs. (measured at 1 Watt/1 Meter)

3.2 Crossover Network

• Crossover frequencies: 500 Hz and 4.5 kHz.
• Slope: 12 dB/octave (2nd order Linkwitz-Riley alignment).
• Protection: Self-resetting polyswitch on tweeter circuit.
• Components: Air-core inductors on tweeter, mylar capacitors.