The Celestion FTR15-4080HDX 15" woofer is an extreme-duty woofer intended for the most demanding pro audio applications. It features a 1" long by 4" diameter copper wire Inside/Outside voice coil; by winding the layers on both sides of the fiberglass former, greater stability under thermal stress is achieved. The die cast aluminum chassis supports a massive, high-BL 110 oz. ceramic ferrite motor structure, and the dual spider design and multi-roll cone termination ensure maximum control.
- 15" ferrite woofer provides 1000Wrms (AES standard) power handling and a frequency response of 40Hz-2500Hz
- 4" high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
- Double suspension and a "multi-roll" surround provide exceptional linearity at extremes of cone excursion
- Intelligent heat management in both chassis and magnet assembly design further minimizes distortion
- Less than 10kg - very low weight for this product class
- 8Ω Frequency Response
1. Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.
2. Measured on axis at 1W, 1m in 2π anechoic environment.
3. Xmax derived from: (voice coil winding width-gap depth)/2.
4. Small signal parameters measured after unit subjected to pre-conditioning signal.
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