JBL 4311B Speakers

The JBL 4311B speakers are iconic in the world of audio, known for their precise sound reproduction and rugged build quality. Originally designed as studio monitors, the 4311B is favored by audiophiles and collectors for its ability to deliver accurate, uncolored sound. The 3-way design with dedicated drivers for bass, midrange, and treble ensures that all frequencies are reproduced with clarity and detail. Whether you’re a music enthusiast or using them in a home studio, these speakers offer a true-to-life listening experience. Their vintage aesthetic, with classic JBL white-coned woofers, makes them as visually appealing as they are sonically impressive.

Key Features of the JBL 4311B

• 3-Way Design: Equipped with a 12-inch woofer, 5-inch midrange driver, and 1.4-inch tweeter for accurate sound reproduction across the frequency spectrum.
• Bass Reflex Design: The rear-ported enclosure helps extend the low-frequency response, delivering tight and punchy bass.
• High Sensitivity: At 91dB efficiency, these speakers can produce loud, clear sound even with modestly powered amplifiers.
• Professional-Grade Performance: Originally designed as studio monitors, the JBL 4311B delivers balanced, neutral sound suitable for critical listening.
• Vintage Design: Features the iconic JBL white-coned woofer and rugged, durable construction with a walnut veneer finish.

Technical Specifications

• Frequency Response: 45Hz to 15kHz
• Power Handling: 75 watts continuous
• Sensitivity: 91dB @ 1 watt/1 meter
• Impedance: 8 ohms
• Drivers:
  • Woofer: 12-inch (30.48 cm) white-coned driver
  • Midrange: 5-inch (12.7 cm) cone driver
  • Tweeter: 1.4-inch (3.56 cm) dome tweeter
• Dimensions: 24-7/16” (H) x 14-3/8” (W) x 12-1/2” (D)
• Weight: 46 lbs each

TRADE-IN PROGRAM

“If you have any vintage audios (receivers, speakers, cassette, reel to reel…) & want to upgrade with the serviced one, don’t hesitate to contact us for the best deal. You only need to pay for the difference between yours & mine….”

Condition:

These speakers are in “Excellent” condition and are functioning flawlessly, delivering a superb listening experience. Please review all photos carefully to assess the actual condition.

Testing:

After testing, the speakers have been found to perform exceptionally well, providing a robust, warm signal with no distortion, buzzing, muffling, or unusual noises. Testing video is added for reference.

Condition Disclosure:

This item exhibits minor wear consistent with light use, as shown in the provided photos. The listing includes exactly what is pictured; no accessories, test equipment, or media are included.

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