Tannoy CVS 401-BK - 120W 4-inch Passive 2-Way 70V/100V Ceiling Loudspeaker with 180 x 180-Degree Coverage and EN52-24 Certification in Black Finish

The Tannoy CVS 401-BK is a high-performance coaxial ceiling loudspeaker designed to provide exceptional audio for both background and foreground music systems. Offering superior sound quality and versatility, the CVS 401-BK is ideal for a wide range of applications, including restaurants, hotels, office spaces, and houses of worship. The speaker features a 4" polypropylene full-range driver and a 0.75" ferrofluid-cooled soft dome high-frequency driver, ensuring a broad frequency range with excellent clarity. Designed for demanding environments, the CVS 401-BK combines high durability with a wide frequency response, delivering the low distortion typically found in higher-end products.

The CVS 401-BK is EN 54-24 certified for fire detection and fire alarm systems, making it a top choice for safety-critical installations. Additionally, it is UL 1480 certified for fire-protected signaling systems and UL 2043 certified for air-handling spaces, ensuring that it meets the highest standards of fire safety and compliance. The speaker is constructed with a UV- and weather-resistant UL 94-V0 and 94-5VB ABS front, complemented by a plated steel fire can enclosure. The mineral-loaded polypropylene cone material, combined with the butyl rubber surround, enhances the speaker's durability, making it suitable for constant use in a wide range of commercial environments.

Equipped with a low-insertion loss 25W line transformer, the CVS 401-BK offers multiple taps for 70V, 100V, and 8-ohm systems. The transformer includes a front-panel tapping switch for easy access to adjust the settings to suit various installation requirements. The speaker also includes a steel cover and strain relief clamping mechanism, designed for use with fire-rated cabling. Its self-aligning security toggle clamps make for a quick and easy installation, while the included C-ring, tile-bridge kit, paint mask, and cut-out template streamline the process. An optional plaster (mud) ring is also available for additional installation flexibility.

Designed to blend unobtrusively into ceilings, the CVS 401-BK features a semi-matte black finish that fits seamlessly into any environment. Whether it is used in a commercial sound system or for public address, the CVS 401-BK ensures both excellent music and speech reproduction while meeting strict safety standards. Its compact size, exceptional audio performance, and ease of installation make it an outstanding choice for any installation requiring both reliability and high-quality sound reproduction.

Features

• 120W peak power handling for high-performance audio in ceiling installations
• 4" polypropylene full-range driver with butyl rubber surround for enhanced durability and long-term reliability
• 0.75" ferrofluid-cooled soft dome high-frequency driver for clear, detailed sound reproduction
• EN54-24 certified for fire detection and alarm systems, UL 1480 certified for fire-protected signaling systems
• UL 2043 certified for air-handling spaces, ensuring safe installation in critical environments
• Wide constant directivity dispersion for optimal coverage up to 180° at 500 Hz
• Frequency response: 70 Hz - 20 kHz (-10 dB), with a maximum SPL of 105 dB peak
• Low-insertion loss 25W transformer with multiple taps for 70V, 100V, and 8-ohm direct input systems
• Powder-coated aluminum mesh grille with dust protection and removable for custom painting
• Self-aligning toggle clamp system for fast and secure installation
• Included C-ring, tile-bridge kit, paint mask, cut-out template, and grille for easy installation
• Dimensions: Bezel diameter: 8 inches, Hole cutout diameter: 6.77 inches
• Semi-matte black finish blends unobtrusively into any ceiling installation
• Optional plaster (mud) ring and 48" tile rail for customized installations
• Compliance: UL-1480, UL-2043, CE certified for safety and reliability

Specifications

Performance

• Frequency response (+3 dB, -3 dB): 102 Hz-20 kHz
• Frequency response (-10 dB): 70 Hz-20 kHz
• Sensitivity at 1m/1W: 84 dB
• Directivity factor (Q) averaged 1 kHz to 6 kHz: 5.4
• Directivity index (DI) averaged 1 kHz to 6 kHz: 7.3
• Power handling (LoZ):
  • Average: 30W
  • Programme: 60 W
  • Peak: 120 W
  • Recommended amplifier power: 60 W @ 8 Ω
  • Nominal Impedance (Switch to LoZ): 8 Ω
• Rated maximum SPL (1 m, Switch to LoZ): 102 dB
  • Average: 99 dB
  • Peak SPL: 105 dB
• Transformer taps:
  • 70 V: 25 W/12.5 W/ 6.3 W/3.2 W
  • 100 V: 25 W/12.5 W/6.3 W

Coverage Angles

• 500 Hz: 180°
• 1 kHz: Horizontal: 125°; Vertical: 118°
• 2 kHz: Horizontal: 82°; Vertical: 81°
• 4 kHz: Horizontal: 88°; Vertical: 86°

Transducers

• Low frequency: 100 mm (4") PP cone
• High frequency: 20 mm (0.79") coaxially mounted

Physical

• Enclosure: Blind mount (BM)
• Back can: Anodized steel
• Baffle: Reflex loaded UL 94V-0 rated ABS
• Grille: Aluminum, powder coated
• Safety features: Rear enclosure safety ring for load-bearing bond
• Clamping design: Security toggle clamp
• Connectors: Euroblock-style connector with screw terminals (with input cover and cable gland supplied)
• Dimensions:
  • Bezel diameter (grille max diameter): 8 inches
  • Rear face of baffle to rear of back can: 5.91 inches
  • Rear face of baffle to top of safety loop: 6.42 inches
  • Rear face of baffle to rear of flex conduit: 6.89 inches
  • Hole cutout diameter: 6.77 inches
• Net weight: 6.09 lbs
• Included accessories: Metal grille, cable gland, flex conduit, C-ring, tile-bridge kit, paint mask, cutout template
• Optional accessories (Not evaluated by UL): Mud ring, 48" Tile rail
• Packed quantity: 1 pair