Electric guitars bite with authority, and drums hit with realistic impact.
Self-resetting PTC circuit breaker for the tweeter Physical Dimensions Height: 730 mm (approx. 28.7 inches) Width: 365 mm (approx. 14.4 inches) Depth: 320 mm (approx. 12.6 inches) User Insights & Maintenance Cerwin-Vega SL Series Home Audio Speakers & Subs
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If you are a classical music listener seeking pinpoint imaging, look elsewhere. However, if you are a , the Cerwin Vega AT40 specs tell a beautiful story: High efficiency, extended bass, and bulletproof build quality. cerwin vega at40 specs
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Before we dive into the datasheet, context matters. The "AT" series stood for "Acoustically Tuned." This was Cerwin Vega’s mid-to-late 80s attempt to compete with brands like JBL, Klipsch, and Infinity in the "high-end consumer" space. Unlike the brutally simple CV speakers of the 70s, the AT series featured:
| Metric | CV AT-40 | Elac Debut 2.0 B6.2 | Klipsch RP-600M | | --- | --- | --- | --- | | Sensitivity | 91 dB | 87 dB | 94 dB | | Bass extension | 45 Hz | 44 Hz | 45 Hz | | Tweeter type | Soft dome | Soft dome | Titanium horn | | Midrange character | Forward, warm | Neutral, laid back | Aggressive, forward | | Power needed | 20-75W | 40-120W | 10-80W | Electric guitars bite with authority, and drums hit
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Many production runs of the AT-40 feature physical level-attenuation switches or dials on the rear (or front under the grille) terminal plate. These controls allow users to adjust the output of the midrange and tweeter independently. This is highly useful for taming bright treble or boosting vocal clarity depending on the room's acoustics. Tips for Modern Buyers and Restorers
Lab tests from the era (courtesy of Audio Magazine , Nov 1989) showed the AT-40 had a slight rise around 70Hz (+2 dB) due to the port tuning, then a remarkably flat midrange (±2 dB from 300Hz–3kHz), followed by a 3-4 dB roll-off above 15kHz. This makes them "warm and forward," not harsh. However, if you are a , the Cerwin
The 10-inch woofer is the heart of the system. Its large surface area and the compliant, long-throw capabilities enabled by the foam surround allow it to move significant amounts of air, resulting in the powerful, chest-thumping bass that Cerwin-Vega is famous for. The foam surround isn't just for show; it's a key part of the driver's suspension and contributes directly to the speaker's high sensitivity.
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is a three-way, floor-standing loudspeaker featuring a bass-reflex design. Specification 30 Hz – 22 kHz Power Handling 125 Watts (RMS/Peak capability) Sensitivity 95 dB (1 Watt @ 1 Meter) Nominal Impedance Crossover Points 400 Hz / 3,000 Hz HF Protection Self-resetting PTC circuit breaker Dimensions (H x W x D) 730 mm x 365 mm x 320 mm (~28.7" x 14.4" x 12.6") Driver Configuration
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