Description
This item is brand-new, factory sealed.
The LF21N451 is a very high power handling & efficiency transducer specially designed to provide powerful & accurate sub-bass frequencies w/low distortion & low power compression.
Ultra fast time response. The LF21N451 uses a fiber loaded cone assembly along a large triple roll surround, this combination provides remarkable strength & control. Double silicon spider system ensures excellent control during large excursions. A fully optimized T-pole design generate the minimum amount of flux modulation. The dual-forced air venting system provides a very efficient voice coil ventilation to minimize the power compression.
The LF21N451 is ideal in applications where light weight, very high BL & power handling are required. It is especially used for touring, perfect for powerful lows in horn loaded sub bass system or reflex designs.
* 4.5-in ch inside/outside copper voice coil
* 3000 W continuous program power handling
* 98.5 dB sensitivity
* 30 Hz – 1 kHz frequency range
* Dual-forced air ventilation for minimum power compression
* Dual spider designed w/silicon based damping control
* BL of 33.5 T/m to provide a faster & accurate low frequency [Single]

![RCF LF21N451 21 Inch Professional Low Frequency Transducer [single]](https://www.cheapharbor.com/wp-content/uploads/2026/07/lf21n451_6_1__30544.1725429348.386.513.webp)
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