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The REDCATT 41FR is a compact 4.0" full-range woofer with an 8 ohm impedance, ferrite motor, paper cone, and extended high-frequency response for compact loudspeaker designs, arrays, and small two-way systems.
REDCATT 41FR 4.0" Full-range Woofer 8 Ohm
The REDCATT 41FR is built for projects where a small-format full-range woofer is required without giving up usable high-frequency extension. Its 8 ohm voice coil, ferrite motor, and 89.44 dB sensitivity make it a practical choice for compact loudspeaker designs where efficiency, size, and cost need to stay well balanced.
A lightweight paper cone with NBR rubber surround gives the 41FR a controlled moving system, while the optimized cone shape improves piston strength and helps reduce harmonic distortion artifacts. The driver uses a 25.4 mm CCAW voice coil on a Kapton former, supported by a Nomex spider and a steel basket for dependable mechanical construction.
With 20 W AES power handling, 40 W continuous power, and 80 W peak power handling, this driver suits array applications, small two-way monitors, PA column midrange use, and compact speakers. In some designs, its extended HF response allows it to be used without a separate high-frequency unit.
The 41FR is especially suited to very compact sealed enclosures and near-field desktop applications. Practical sealed volumes include 0.10 liters for ultra-compact panel-mounted systems, 0.25 liters for compact desktop enclosures, and 0.55 liters for small sealed designs where the driver can work as a standalone near-field solution. For DIY builders comparing compact woofers, the 41FR offers a useful combination of small size, extended response, and straightforward enclosure options.
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Speakers
Amplifiers
DAC converters
DSP modules
Turntables
Streamers
Woofers
Tweeters
Exciters
Bass shakers
Plate amplifiers
Amplifier modules
Single board computers
Assembled crossovers
Printed Circuit Boards (PCB)
Capacitors
Resistors
Coils
Circuit Breakers
Crossover tools
Screw terminals
Acoustic measurements
Electric measurements
Sound level meters
DIY amplifier kits
DIY component packs
DIY speaker kit
DIY subwoofer kits
DIY bluetooth speaker
DIY electronics kits
Binding posts
Cabinet Hardware
Cables
Connectors
Speaker cabinets
Electromechanics
Power supplies
Speaker repair
Workshop & tools
Amplifier accessories
Stands & mounts
Gift voucher
Books
New products
