The 2226H/J low frequency transducer represents the industryleading results of JBL's engineering research in high power transducer design. The 2226H/J signified a major advance in speaker design by incorporating JBL's patented* Vented Gap CoolingTM technology in an improved Symmetrical Field Geometry (SFG) magnetic structure.

To increase power handling while reducing power compression, JBL engineers created a unique, direct voice coil-to-air heat dissipation method called Vented Gap Cooling. This process pumps air through the magnetic gap and directly over and around the voice coil to provide immediate heat transfer and reduction in operating temperature - a direct improvement in power compression.

The 2226H/J incorporates a SFG (Symmetrical Field Geometry) magnetic structure. Computer-aided magnet optimization and analysis allowed JBL engineers to optimize magnet weight, flux density and reduce distortion. This patented* magnet structure offers much of the weight advantage of rare earth magnet structures without their higher cost.

Specifications:

• Nominal Diameter: 380 mm (15 in)


• Rated Impedance:8 ohms (H)16 ohms (J)


• Power Capacity1: 600 W AES continuous pink noise


• Sensitivity2: 97 dB SPL, 1 W, 1 m (3.3 ft)


• Frequency Range3: 30 Hz - 2.5 kHz


• Power Compression:at -10 dB power (60 W): 0.7 dBat -3 dB power (300 W): 2.5 dBat rated power (600 W): 4.0 dB


• Distortion:2nd harmonic: ? 1.0%3rd harmonic: ? 1.0%


• Highest Recommended Crossover: 1200 Hz


• Recommended Enclosure Volume: 85-285 l (3-10 ft3)


• Effective Piston Diameter: 335 mm (13.2 in)


• Maximum Excursion Before


• Damage (p-p): 40 mm (1.6 in)


• Minimum Impedance:6.0 ohms +/- 10% @ 25C (H)12.0 ohms +/- 10% @ 25C (J)


• Voice Coil Diameter: 100 mm (4 in)


• Voice Coil Material: Edgewound aluminum ribbon


• Voice Coil Winding Depth: 19.05 mm (0.75 in)


• Magnetic Gap Depth: 8.1 mm (0.32 in)


• Magnetic Assembly Weight: 6.8 kg (15 lb)


• Bl Factor:19.2 N/A (H)27.1 N/A (J)


• Effective Moving Mass: 0.098 kg


• Positive voltage on BLACK terminal gives forward diaphragm motion.

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