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Cerwin Vega At-40 Specs (2026)

Cerwin-Vega AT-40

The is a vintage 3-way floor-standing loudspeaker from the popular "AT" (Advanced Technology) series released in the late 1980s. These speakers are known for their high sensitivity and ability to produce high volume with deep bass, a signature trait of the brand. Core Specifications Speaker Type: 3-way floor-standing loudspeaker. Frequency Response: 30 Hz – 20,000 Hz.

Bass Performance

: Like other models in the series (such as the Cerwin-Vega AT-12 or AT-15 cerwin vega at-40 specs

The AT series generally offers deeper bass extension and higher power handling than the earlier "D" series at comparable woofer sizes. The AT-40, specifically, outperforms the D-5 in both low-end reach (32 Hz vs. 39 Hz) and power capacity. Cerwin-Vega AT-40 The is a vintage 3-way floor-standing

Full Technical Specifications (Cerwin Vega AT-40)

  1. Foam Rot (Woofer): As noted, the 10-inch foam surround is the weak point. Re-foaming kits are widely available for $30–40. Follow the spec: 10-inch, angled inner attachment.
  2. Ferro-fluid drying (Tweeter): After 30+ years, the fluid in the tweeter hardens, reducing high-frequency output. You can clean and replace the fluid (0.2mL per tweeter) or buy replacement diaphragms (part # CV-25).
  3. Cabinet Vinyl Peeling: The vinyl wrap on the MDF can peel at the edges. Wood glue or contact cement fixes this. While not a "spec," it affects value.

Cerwin-Vega AT-40

The is a vintage 3-way floor-standing loudspeaker from the popular "AT" (Advanced Technology) series released in the late 1980s. These speakers are known for their high sensitivity and ability to produce high volume with deep bass, a signature trait of the brand. Core Specifications Speaker Type: 3-way floor-standing loudspeaker. Frequency Response: 30 Hz – 20,000 Hz.

Bass Performance

: Like other models in the series (such as the Cerwin-Vega AT-12 or AT-15

The AT series generally offers deeper bass extension and higher power handling than the earlier "D" series at comparable woofer sizes. The AT-40, specifically, outperforms the D-5 in both low-end reach (32 Hz vs. 39 Hz) and power capacity.

Full Technical Specifications (Cerwin Vega AT-40)

  1. Foam Rot (Woofer): As noted, the 10-inch foam surround is the weak point. Re-foaming kits are widely available for $30–40. Follow the spec: 10-inch, angled inner attachment.
  2. Ferro-fluid drying (Tweeter): After 30+ years, the fluid in the tweeter hardens, reducing high-frequency output. You can clean and replace the fluid (0.2mL per tweeter) or buy replacement diaphragms (part # CV-25).
  3. Cabinet Vinyl Peeling: The vinyl wrap on the MDF can peel at the edges. Wood glue or contact cement fixes this. While not a "spec," it affects value.