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Available in 4 or 8 ohms
The 4 ohm is an excellent replacement for Infinity RS1000, RS1001 and RS11 woofers.
The original Infinity woofers has been discontinued, All the specs and parameters were copied to ensure similar sound and exact physical fit. Original woofer impedance(Re: 3.9 ohm), our copy is also 3.9 ohms. The basket size and screw holes are identical, so you do not have to modify the cabinet at all. We had the surround changed from foam to rubber to improve the longevity. Rubber surrounds will also reduce cone break up and ensure low distortion.
The 8 ohm is an excellent replacement for a lot of JBL models including G40 and J520M.
Specifications and Small Signal Parameters of the 4 ohm:
Voice Coil Impedance: 4 ohm
Rated Frequency Response: 80 - 7k Hz
Sensitivity: 89 dB SPL
(Average 500 - 2.5 kHz, 2.83V, 1 meter)
Rated Power: 40 watts
Program Power: 80 watts
Magnet Weight: 284 gr (10 oz)
Fo: 45 Hz
Re: 3.9 ohm
Vas: 13 liters
Xmax: 1.6 mm
No: .34 %
5" outside diameter
4.2" cutout diameter