Se vinde o pereche, in perfecta stare de functionare, utilizate la putere moderata ocazional in dormitor ca monitoare de studio. Pe "Thru" devin boxe normale, pe 8 Ohms, deci pot fi utilizate si pe amplificatoare Hi-Fi normale, nu doar pe statii de linie. Cititi datasheet-ul pt. mai multe detalii.

Detalii tehnice gasim aici: https://jblpro.com/en/site_elements/jbl-professional-data_sheet-control-28-1-spec-sheet sau aici: https://www.thomann.de/ro/jbl_control_28_1_wh.htm

Key Features:
• Components:
• 8” woofer with woven fiberglass cone
• 1” PEI diaphragm tweeter with fluid cooling
• Contemporary, high-design appearance
• Built-in InvisiBall® mounting hardware, plus available U-bracket
• Weather resistant enclosure and transducers
• Wide 100° x 100° coverage
• 120 Watt power handling (240 Watt program) in direct 8Ω setting, plus built-in 60 Watt 70V/100V multi-tap transformer
• High fidelity sound character with broad frequency response of 45 Hz – 20 kHz

Specifications:
Frequency Range (-10 dB): 45 Hz – 20 kHz
Frequency Response (±3 dB): 62 Hz – 16 kHz
Power Rating:
- 240W Continuous Program (2 hrs)
- 120W (480W peak), Continuous Pink Noise (2 hrs)
- 90W (360W peak) Continuous Pink Noise (100 hrs)
Maximum Input Voltage: 27.5 V RMS (2 hrs), 55.0 V peak
Maximum SPL: 112 dB ave. Continuous Pink Noise (118 dB peak)
Sensitivity: 91 dB, 1W/1m (ave. 100 Hz – 10 kHz)
Coverage Angle: 100° x 100°
Directivity Factor (Q): 7.3 (averaged 1kHz – 16kHz)
Directivity Index (DI): 8.3dB (averaged 1kHz – 16kHz)
Nominal Impedance: 8 ohms (THRU setting)
Crossover Type: 2nd order low-pass, 1st order high-pass, plus conjugate shaping

Low frequency driver: 200 mm (8 in), woven-fiberglass cone with pure butyl rubber surround with Weather-Edge frame protection, high-temp fiberglass voice coil former, high-temp voice coil wire, optimized cone geometry, linear suspension spider, and FEA optimized motor structure.
High frequency driver: 25 mm (1 in) PEI diaphragm, low-viscosity ferro- magnetic fluid, and lightweight KaptonTM voice coil former

Dimensions (H x W x D): 386 x 282 x 219 mm (15.2 x 11.1 x 8.6 in); 277 mm (10.9 in) deep total when mounted on InvisiBall wall-mount bracket
Shipping Weight: 15.4 kg (34 lbs) pair-packed (for 2 speakers)

Prefer predare personala in IASI sau tranzactie eBay sau similara (nu ramburs!).

Multumesc!