Description: Product Overview: This 4-way, 4-speaker bass reflex system has been meticulously upgraded and maintained, offering an exceptional listening experience. The product features top-quality components and expert craftsmanship, making it a unique piece for serious audiophiles. Specifications:Type: 4-way, 4-speaker, bass reflex systemWoofer: 2231AMid-bass: 2121Mid-high: Horn type (2420 + 2307)Tweeter: Horn type (2405)Frequency Response: 35Hz–20kHz (±3dB)Crossover Frequency: 300Hz, 1250Hz, 9500HzTerminal: Multi-amp drive switchable (requires external network)Impedance: 8ΩSensitivity: 93dB/W/mPower Handling: 75W (with network), 75W (< 300Hz), 75W (> 300Hz)Enclosure Volume: 156L (woofer), 14L (mid-woofer)Dimensions: 635mm (W) x 1051mm (H) x 435mm (D)Weight: 83.9kg Upgrades and Modifications by Kenrick sound - Cabinet: Repair of scratches, chips, dents, and re-oiling finish- Two woofers and two mid-bass units: Replaced with new KRS chamois leather edges- Two woofers, two mid-bass units, two drivers, and two tweeters: Re-magnetized- Replaced network capacitors with new Mundorf MCap EVO Silver Gold Oil- Unified polarity of network elements (coil, capacitor, resistor, L-pad)- Internal wiring replaced with custom-made 3.8 sq Teflon silver-plated wire- Replaced attenuators and knobs with new ones- Replaced baffle bolts with new ones- Repainted blue baffle- Disassembled, cleaned, and adjusted compression drivers- Replaced large gold-plated terminals- Checked acoustic characteristics, phase, and performed burn-in aging- JBL 2121, 2405: Magnet reversal (center N-pole)- JBL 2420 Driver: Correct magnetization (center S-pole)- JBL 2420: Diaphragm alignment and readjustment- JBL 2420: Stainless steel solid machined bubble-back cover- JBL 2405: Kenrick original diaphragm replacement- JBL 2402 model: Stainless steel solid horn replacement- JBL 2307 model: Stainless steel solid horn replacement- JBL MA15 model: Stainless steel solid clamp replacement- JBL 2420, 2405: Gold-plated terminal replacementThis is a highly customized, one-of-a-kind speaker system, perfect for audiophiles seeking premium sound quality and craftsmanship. Don’t miss this rare opportunity!
Price: 20000 USD
Location: Tokyo
End Time: 2025-01-09T01:43:10.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money back or replacement (buyer's choice)
Brand: JBL
Type: Bookshelf Speakers
Color: Brown
Model: JBL 4343
Connectivity: Wired
