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The REDCATT 121NPM is a high-efficiency 12" bass-mid woofer with an 8-ohm impedance, neodymium motor, carbon-fiber-loaded paper cone and strong power handling for professional low-frequency and mid-bass applications.
REDCATT 121NPM 12" Bass-Mid Woofer 8 Ohm
The REDCATT 121NPM is built as a professional bass-mid woofer for high-output systems that need efficiency, control and reduced weight. With a sensitivity of 99.97 dB and a rated impedance of 8 ohms, it is well suited for powerful loudspeaker designs where acoustic output per watt matters.
A lightweight carbon-fiber-loaded paper cone, fabric surround and Nomex spider give the driver a strong moving assembly with controlled excursion behaviour. The 76 mm CCAW voice coil uses a glass-fiber former, while the aluminum basket provides a robust mechanical foundation for demanding woofers and mid-bass applications.
The neodymium outside-ring magnetic circuit is engineered to maintain a consistent magnetic flux gap, minimize flux modulation and support low harmonic distortion. This makes the 121NPM a practical choice for vented PA bass cabinets, weight-critical installations and systems where clean, efficient mid-bass output is required.
For bass reflex use, REDCATT recommends alignments such as 70 liters tuned to 47 Hz for strong mid-bass output, 85 liters tuned to 41 Hz for a balanced general-purpose response, or 90 liters tuned to 38 Hz for extended low-frequency performance with high-pass filter protection. The driver can also be applied in vented PA bass cabinet or subwoofer designs when the enclosure and filtering are matched to the application.
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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
