JBL Model 4311 Speaker

Description

The JBL Model 4311 is a renowned three-way studio monitor loudspeaker system that gained popularity in the 1970s for its accurate sound reproduction and robust design. Originally developed for professional studio applications, the 4311 has also become a favorite among audiophiles for home listening environments.

Key Features & Technical Specifications:

• Three-Way Design:
  • Woofer: 300 mm (12-inch) long-excursion cone driver for deep and controlled bass response.
  • Midrange: 130 mm (5-inch) cone driver ensuring clear and detailed mid frequencies.
  • Tweeter: 36 mm (1.4-inch) direct radiator delivering crisp and extended high-frequency reproduction.
• Frequency Response: 45 Hz to 15 kHz (±3 dB), providing a balanced audio spectrum suitable for critical listening.
• Impedance: 8 ohms, compatible with a wide range of amplifiers.
• Sensitivity: 91 dB/W/m, allowing for efficient sound output with moderate amplifier power.
• Power Handling: 75 watts continuous program, accommodating dynamic audio playback without distortion.
• Crossover Frequencies: 1.5 kHz and 6 kHz, ensuring seamless integration between drivers for a cohesive soundstage.
• Enclosure Design:
  • Type: Bass-reflex system enhancing low-frequency performance.
  • Volume: Approximately 42.5 liters, optimizing internal acoustics for accurate sound reproduction.
  • Construction: Solid 19 mm (3/4-inch) stock with wood-welded joints to prevent unwanted resonance.
  • Finish Options: Textured gray or oiled walnut, allowing integration into various studio or home decors.
• Dimensions: 597 mm (H) x 362 mm (W) x 298 mm (D), making it suitable for bookshelf or stand mounting.
• Weight: Approximately 19 kg per speaker, indicating a sturdy and well-built construction.
• Adjustable Response Controls: Front panel controls for midrange and high-frequency output, enabling users to tailor the sound to their specific environment and preferences.

The JBL 4311's design reflects JBL's commitment to delivering professional-grade audio equipment. Its components are meticulously engineered to function as a cohesive unit, providing listeners with a dynamic and immersive audio experience. Whether used in a professional studio or a home audio setup, the 4311 continues to be celebrated for its clarity, power, and versatility.