Cerwin Vega At40 Specs • Popular
The 10-inch woofers easily reproduce deep synthesized sub-bass lines.
Driver Complement and Crossover The AT-40 uses a woofer sized to reinforce the brand’s bass-centric reputation; the woofer’s cone material and suspension are selected to allow large excursions with controlled breakup characteristics. A dedicated tweeter handles the upper octaves providing clarity for vocals and percussion. The passive crossover divides frequencies between drivers and includes components chosen to balance phase alignment and frequency response while maintaining Cerwin-Vega’s characteristic emphasis on lower-mid and low frequencies. The crossover slope and tuning tend to favor a smooth transition that preserves punch rather than clinical neutrality.
The is a vintage three-way floorstanding speaker from the "AT" (Advanced Technology) series, produced in the late 1980s and early 1990s. Known for its high efficiency and "party speaker" reputation, it was designed to deliver high volume levels even with relatively low-powered amplifiers. Key Technical Specifications Specification System Type 3-way bass reflex (ported) Frequency Response 30 Hz – 22 kHz Power Handling 125 Watts (RMS/Maximum) Sensitivity 95 dB (1W/1m) Impedance Crossover Points 400 Hz and 3000 Hz Protection PTC (Self-resetting tweeter protection) Dimensions (H x W x D) 730 x 365 x 320 mm (approx. 28.7" x 14.4" x 12.6") Driver Configuration
Here is the definitive list of technical specifications for the Cerwin Vega AT-40. cerwin vega at40 specs
The Cerwin-Vega AT-40 is designed to deliver clear, powerful sound with excellent low-end response and smooth high-frequency reproduction. The speaker features a high-quality woofer with a 2-inch voice coil, which provides tight, controlled bass response. The 1.5-inch high-frequency compression driver delivers smooth, detailed treble with a wide dispersion pattern.
The AT-40 is a large speaker, reflecting its no-compromise approach to moving air. Dimensions are approximately:
represents a mid-to-large tier in a lineup designed to deliver massive volume with minimal amplifier power . Known for its high efficiency and "party speaker"
The 1" soft dome tweeter uses ferrofluid to cool the voice coil. After 30 years, that fluid turns into sludge.
Sound Character and Performance In practice, the AT-40 presents a forward, energetic sound signature. Bass notes are prominent and impactful, making the speaker well-suited to genres that benefit from strong low end—rock, electronic, hip-hop—and to listeners who prefer a lively, room-filling sound. Midrange presence is generally robust, which helps vocals and guitars cut through mixes or playback. High frequencies are handled with adequate detail but are often less emphasized than the low end; this can be perceived as warm and pleasant by many listeners but may lack the ultra-precise top-end extension favored by some studio engineers.
The fast transient response of the woofers makes them superb for the punchy bass needed in rock or modern electronic music. For enthusiasts looking to restore these
The AT-40’s impedance dips to 5.2 ohms at 120Hz. Some low-end AV receivers may struggle. Stick to 6-8 ohm stable amplifiers.
Before diving into the AT40 specs, let's take a brief look at Cerwin-Vega's history. Founded in 1954 by David Cerwin and Henry Vega, Cerwin-Vega is a renowned American loudspeaker manufacturer that has been producing high-quality speakers for over 60 years. The company is known for its innovative designs, commitment to quality, and passion for delivering exceptional sound experiences.
For enthusiasts looking to restore these, high-quality re-foaming kits are widely available through retailers like Simply Speakers or The Speaker Exchange , as the original foam surrounds tend to degrade after 20–30 years. These Speakers Absolutely Changed My Life
: Interestingly, for the European market, many AT series cabinets were constructed under license at the famous Dali factory in Denmark using original American drivers and crossovers. This hybrid build often resulted in a slightly tighter, more rigid cabinet construction than their pure-American counterparts. Restoring and Maintaining Vintage AT-40 Speakers Because the Cerwin-Vega AT-40