Download and print for free a sample sheet music PDF for The Hanging Tree By James Newton Howard for Piano
The Cerwin-Vega AT-40 is a vintage 3-way floor-standing loudspeaker from the acclaimed AT (Advanced Technology) series, produced primarily during the early 1990s. Renowned for high efficiency and robust bass reproduction, these speakers are a staple for fans of classic rock, heavy metal, and high-volume listening, aiming for a "live" concert experience in a home setting. Cerwin-Vega AT-40 Technical Specifications
Based on typical specifications for this series (often comparable to the AT-10/AT-100 series components), the AT-40 is designed for high output and durability. System Type: 3-Way Floor Standing System.
Woofer: 10-inch or 12-inch high-excursion cast-frame woofer (depending on specific AT sub-model, typically features the iconic red surround).
Midrange: 4-inch to 5-inch cone midrange driver for vocal clarity.
Tweeter: 1-inch dome tweeter, known for handling high power and producing clear highs.
Frequency Response: Approximately 35 Hz – 20,000 Hz, offering deep bass extension.
Power Handling: Typically rated to handle 5 – 125 Watts RMS (with significantly higher peak power handling, often up to 300W or more).
Sensitivity: High efficiency, often above 95 dB (1w/1m), meaning they play loudly with lower power amplifiers.
Impedance: Nominal 6-8 Ohms, making them compatible with most vintage and modern receivers. Key Features and Performance
High Sensitivity: The AT-40 is efficient, designed to deliver high sound pressure levels (SPL) without requiring massive power amplifiers.
Robust Construction: Known for heavy-duty components and durable, high-power handling, ideal for long listening sessions at high volumes.
Signature Bass: The woofer design is optimized for punchy, impactful, and deep bass, a hallmark of Cerwin-Vega's sound.
3-Way Driver Configuration: This provides a balanced sound profile, splitting frequency duties between a dedicated woofer, midrange, and tweeter for clearer sound separation. Legacy and Application
The AT-40 speakers are popular among audiophiles who prefer a "live" sound and high-volume performance over refined, flat-response monitoring. They are frequently used for large home audio setups, home theaters, or as dedicated rock/metal speakers.
Suitability: Best for larger rooms where they can produce full-frequency sound.
Maintenance: Often requires re-foaming of the woofers over time, as the foam surrounds can degrade after several decades, which is common in vintage speaker restoration.
If you are looking to purchase or restore a pair, I can provide information on: Common issues to look for (e.g., re-foaming needs) Recommended amplifiers to match their high sensitivity Where to find parts or user reviews Cerwin-Vega AT-100 Loudspeakers (Vintage) - Facebook
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
. It is characterized by the classic Cerwin-Vega "loud and punchy" sound, featuring the iconic red-surround woofer. Technical Specifications Speaker Type 3-way, Bass Reflex (Ported) Frequency Response 30 Hz – 22 kHz Power Handling 125 Watts (RMS/Continuous) Sensitivity 95 dB (1W @ 1m) Nominal Impedance Crossover Frequencies 400 Hz and 3,000 Hz Protection Self-resetting PTC (Tweeter protection) Dimensions (H x W x D) 730 x 365 x 320 mm (~28.7" x 14.4" x 12.6") Key Characteristics Driver Configuration
: Features a 10-inch woofer (model ATW10), a dedicated midrange cone, and a high-frequency tweeter. European Heritage
: While the drivers and crossovers were typically imported from the US, the cabinets for European AT-series models like the AT-40 were often built in Denmark. High Efficiency
: With a sensitivity of 95 dB, these speakers can reach high volumes even with relatively low-powered amplifiers. Maintenance Tip
: Like most vintage Cerwin-Vegas, the original foam surrounds on the woofers often deteriorate over time and require a replacement foam kit to maintain bass performance. Are you looking to a pair of these, or do you already own them and need repair advice cerwin vega at-40 specs
The Cerwin-Vega AT-40 is a classic three-way, bass-reflex floor-standing speaker known for delivering the "legendary CV sound"—high efficiency and high output. Often associated with the 1980s and early 90s, the AT (Acoustic Transformer) series was designed to provide room-shaking bass and high sound pressure levels with relatively modest power requirements. Core Technical Specifications
The AT-40 is engineered as a high-performance, passive full-range speaker. Its primary technical details include: Frequency Response: 30 Hz to 22 kHz. Power Handling: 125 Watts (RMS). Sensitivity: 95 dB (measured at 1 Watt @ 1 Meter). Nominal Impedance: 6 Ohms. Crossover Points: 400 Hz and 3000 Hz.
Protection: Self-resetting PTC (Positive Temperature Coefficient) device for tweeter safety. Driver Configuration & Build
The AT-40 utilizes a three-way driver arrangement designed for impactful low end and clear highs: Woofer: 10-inch (ATW10) low-frequency driver.
Enclosure Type: Bass-reflex (vented) design to maximize efficiency and bass extension. Physical Dimensions: 730 mm (H) x 365 mm (W) x 320 mm (D).
Finish: Typically featured a scuff-resistant walnut vinyl or similar classic aesthetic. Regional Production Background
While designed by Cerwin-Vega in the United States, models for the European market, including the AT-40, were often built at the Dali factory in Denmark under license. These European units typically used drivers and crossovers imported from America while the cabinets were constructed in Denmark. Performance Characteristics Cerwin Vega AT-40 - Classic Audio
Looking at the Cerwin Vega AT-40 specs in 2025, they tell a story of a speaker that was ahead of its time in efficiency but rooted in classic, dynamic sound. Modern $500 speakers may have flatter frequency response, but none will produce that chest-thumping 38 Hz bass with only 10 watts of power.
Final Verdict:
The Cerwin Vega AT-40 remains a legend for a reason. Respect the specs, feed them clean power, and they will reward you with a visceral listening experience that most modern speakers simply cannot replicate.
Have a pair of AT-40s? Check your serial numbers—early production runs used a cloth surround before switching to foam. Those are rare and require no maintenance!
The Cerwin-Vega AT-40 is a vintage floor-standing speaker from the "Acoustic Transformer" series, launched in the late 1980s. Known for high efficiency and substantial power handling, it was designed to deliver high sound pressure levels with minimal amplifier effort, making it a popular choice for large rooms or high-volume listening environments. Core Specifications
is a three-way speaker system designed for clarity and dynamic output across the frequency spectrum. Frequency Response: 30 Hz – 22 kHz. Power Handling: 125 Watts.
Sensitivity: 95 dB (1W/1m), indicating it is highly efficient and can be driven easily by lower-powered amplifiers. Nominal Impedance: 6 Ohms. Crossover Points: 400 Hz and 3,000 Hz. Physical Characteristics Dimensions:
Protection: Features PTC (Positive Temperature Coefficient) protection to prevent damage from power surges or overdriving. Performance Profile
As part of the AT (Acoustic Transformer) series, these speakers were engineered to mimic the high-output characteristics of arena PA systems while maintaining a residential form factor.
Bass Performance: Like other models in the series (such as the Cerwin-Vega AT-12 or AT-15
is noted for its "punchy" bass and ability to sustain high volumes without significant distortion.
Ideal Use Case: They are particularly effective in large rooms where "huge bass" and loud high frequencies are desired. While they may not be the first choice for "quiet, detailed critical listening," they excel in delivering an impactful, "party-ready" sound. Cerwin Vega AT-40 - Classic Audio
The Cerwin-Vega AT-40 is a vintage 3-way floor-standing speaker known for its high efficiency and massive output, often described as a "party speaker" capable of reaching high sound pressure levels with minimal power. While specific detailed brochures for the AT-40 model specifically are rarer than its larger siblings (like the AT-80 or AT-100), it follows the standard design of the AT series introduced in the late 1980s. Technical Specifications
Based on the standard configurations for the Cerwin-Vega AT series and available archival data: System Type: 3-way bass reflex (ported). Drivers:
Woofer: 10-inch or 12-inch high-excursion driver with the signature red/orange foam surround. Midrange: 5-inch cone. Tweeter: 1-inch phenolic dome or horn-loaded tweeter. The Cerwin-Vega AT-40 is a vintage 3-way floor-standing
Power Handling: Typically rated for 5W minimum to approximately 150–200W RMS.
Sensitivity: High efficiency, generally around 95–102 dB (1W/1m), allowing them to play very loudly even with low-wattage amplifiers. Impedance: 6 to 8 Ohms nominal.
Controls: Often includes independent level adjustments for the midrange and tweeter on the front or rear baffle.
Protection: Equipped with circuit breakers or fuses to prevent driver damage during high-volume use. Performance Review & Impressions These Speakers Absolutely Changed My Life
The Ultimate Rock 'n' Roll Workhorse: Cerwin Vega AT-40 Specs & Review
If you're hunting for a speaker that prioritizes "loud and proud" over clinical precision, the Cerwin Vega AT-40 is a vintage heavy-hitter that belongs on your radar. Part of the legendary AT (Residential Audio) series released in the mid-to-late 1980s, these speakers were designed to bring the energy of a live concert into your living room.
Known for their signature orange surrounds and massive bass, the AT-40s are the definition of a "party speaker". Cerwin Vega AT-40 Technical Specifications
The AT-40 is a three-way, bass-reflex floor-standing system designed for high efficiency and high output. Specification Frequency Response 30 Hz – 22 kHz Power Handling 125 Watts (RMS) Sensitivity 95 dB (1W/1m) Impedance Crossover Points 400 Hz / 3,000 Hz Protection Self-resetting PTC (Positive Temperature Coefficient) Dimensions (HxWxD) Approx. 28.7" x 14.4" x 12.6" (730 x 365 x 320 mm) Key Features and Performance
High Efficiency: With a sensitivity of 95 dB, these speakers don't need a massive amplifier to get loud. Even a modest 20-30 watt receiver can drive them to room-filling volumes, though they shine when given more headroom.
Signature Bass: Like most Cerwin Vegas, the AT-40 excels in the low end. The 10-inch woofer (often featuring the iconic red/orange surround) provides a "chest-pounding" bass experience that is perfect for rock, hip-hop, and house music.
Three-Way Design: By splitting the audio across a dedicated woofer, mid-range driver, and tweeter, the AT-40 manages a fuller soundstage than smaller two-way bookshelf speakers of the same era.
Built-in Protection: The PTC protection acts as a thermal circuit breaker, helping to prevent the drivers from blowing during intense, high-volume sessions. Why Audiophiles (Might) Hate Them, but You’ll Love Them
The AT-40 isn't meant for "critical listening" or classical music where every micro-detail matters. Critics often point out that the frequency response can be a bit "colored," favoring the highs and lows over a flat, neutral profile. Cerwin Vega AT-40 - Classic Audio
The Cerwin-Vega AT-40 is a vintage floor-standing speaker known for its high efficiency and punchy bass, typical of the AT (Advanced Technology) series produced in the late 1980s and early 1990s. Notably, for the European market, these speakers were often manufactured at the Dali factory in Denmark under license. Technical Specifications
According to documentation from Classic Audio and historical records, the AT-40 features the following specs: Frequency Response: Power Handling: Sensitivity: Nominal Impedance: Crossover Frequencies:
Driver Configuration: 3-way system, typically featuring a 10-inch woofer (ATW10 for European models).
Protection: PTC (Positive Temperature Coefficient) high-frequency protection to prevent tweeter damage. Dimensions: Key Characteristics
Solid Construction: The series is recognized for its high-quality wooden enclosures and high-output capability. Efficiency: With a sensitivity of
, these speakers can produce significant volume even with relatively low-powered amplifiers.
Maintenance Note: Like many vintage Cerwin-Vega speakers, the original foam surrounds on the woofers are prone to "foam rot" over time and frequently require refoaming to maintain performance. AT-40 - Products - Fohhn Audio
The Cerwin-Vega AT-40 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.
Power Handling: 5 Watts (Minimum) to 150 Watts RMS (Maximum). Conclusion: Are the Cerwin Vega AT-40s Still Worth It
Sensitivity: 97 dB (1 Watt @ 1 Meter), making them very efficient and easy to drive with low-power amplifiers. Nominal Impedance: 6 Ohms. Crossover Frequencies: 400 Hz and 3,000 Hz. Driver Components
Woofer (Low Frequency): 10-inch (25 cm) cast aluminum frame woofer with a 1.55-inch voice coil. Midrange: 5-inch cone midrange driver. Tweeter (High Frequency): 1-inch Mylar dome tweeter. Physical Dimensions & Build Dimensions: Approximately 28" H x 12.5" W x 11" D. Weight: Roughly 40 lbs (18 kg) per speaker.
Enclosure: Bass reflex (ported) design with a woodgrain vinyl finish.
Level Controls: Features adjustable high-frequency and mid-frequency level controls on the front baffle to tune the sound to your room. Key Highlights for Owners
Performance: Like most Cerwin-Vega speakers of this era, the AT-40 is designed for high-impact music (Rock, Electronic, Hip-Hop). It offers a "fun" sound with a significant bass presence.
Common Maintenance: If you are buying a used pair, the most common issue is the deterioration of the foam woofer surrounds. You can find "re-foam kits" on sites like Simply Speakers or Midwest Speaker Repair to restore them to original performance.
Protection: These speakers typically include a built-in self-resetting circuit breaker to protect the tweeter from being overdriven. Cerwin-Vega AT-100 Loudspeakers (Vintage)
The Legendary Cerwin-Vega AT-40: Compact Powerhouse Specs If you are a fan of vintage audio that hits hard and plays loud, you likely already know the Cerwin-Vega AT Series
. While the massive AT-100 (AT-15) often steals the spotlight, its smaller sibling, the Cerwin-Vega AT-40
, is a hidden gem for those who want that signature "rock and roll" sound in a more manageable footprint.
Introduced in the late 1980s, the AT-40 (sometimes marketed as the AT-10 in certain regions) carries the brand's reputation for high efficiency and chest-thumping bass. Classic Audio Technical Specifications
The AT-40 is a 3-way floorstanding speaker designed with a bass-reflex (ported) enclosure. Classic Audio Frequency Response: 30 Hz – 22 kHz Power Handling: 125 Watts (RMS/Program) Sensitivity: 95 dB (1W/1m) Nominal Impedance: Crossover Points: 400 Hz / 3,000 Hz Protection:
Built-in PTC (Positive Temperature Coefficient) tweeter protection Dimensions (H x W x D): Approx. 28.7" x 14.3" x 12.6" (730 x 365 x 320 mm) Classic Audio Driver Layout & Design
True to the "AT" (Advanced Technology) lineage, the AT-40 features a high-output driver array:
10-inch high-excursion driver, typically featuring the iconic red foam surround. 5-inch cone driver for handling presence and vocals.
1-inch Mylar dome tweeter for crisp high-frequency reproduction. What Makes it a Classic? Cerwin-Vega AT-100 Loudspeakers (Vintage) - Facebook
The Cerwin Vega AT-40 is a floor-standing, 3-way bass reflex loudspeaker designed for high-efficiency playback. True to the Cerwin Vega brand philosophy, the AT-40 is optimized for high sound pressure levels (SPL), deep bass extension, and dynamic headroom, making it suitable for both home theater and high-power stereo music systems.
Key Positioning: High-sensitivity tower for rock, electronic music, and cinema.
The 8-ohm nominal impedance is amplifier-friendly. Most solid-state receivers from the 1990s onward will have no trouble driving these. The crossover points—500 Hz and 5 kHz—are well chosen. The woofer handles the lower frequencies where cone breakup isn’t an issue, the midrange covers the entire vocal and upper bass region, and the tweeter only handles the top octaves. This results in smooth polar response.
The 2nd-order Linkwitz-Riley crossover topology means a 12 dB/octave slope, providing good off-axis summing and minimal phase shift.
If you have found a pair of used AT-40s, here is what to check based on their specs:
The Cerwin-Vega AT-40 is a vintage, full-range loudspeaker that captures the brand’s signature emphasis on dynamic, punchy mid-bass and an unpolished, performance-first sonic character. Designed for home stereo and small PA use, the AT-40 blends a rugged aesthetic with a simple, driver-focused layout that prioritizes impact and presence over studio-flat neutrality.
The specs state 150W RMS and 300W peak. RMS (Root Mean Square) is the continuous power the speaker can handle safely. Peak is the maximum short-term burst before damage. It is critical to match these numbers with a quality amplifier—underpowering (causing clipping) is often more dangerous than overpowering.
Warning: The Achilles’ heel of old CV speakers is the foam surround on the woofer. After 20-30 years, the foam rots. If you’re buying used AT-40s, factor in a re-foam kit (~$30-50 per pair).