RedCatt 21NFR - 16 Ohm

Key features:

• Compact, full-range design
• Highly efficient magnetic structure
• High power handling capability

Design notes:

Introducing the 21NFR - a small driver with a mighty punch! This gem was developed to deliver a full range of frequencies, from rich bass to crystal-clear highs, making it the perfect choice for portable products, bookshelf speakers, and array applications in columns.What sets the 21NFR apart is its full-range behavior, eliminating the need for additional tweeters while still achieving excellent sound quality. Our extensive experience in designing highly efficient transducers shines through in this driver, offering top-notch performance without breaking the bank.The u-cup style magnetic system is optimized to deliver consistent magnetic flux to the voice coil across the entire operational range, ensuring a powerful and consistent audio experience. Plus, with a lightweight yet robust cone attached to our specially crafted rubber blend surround, the 21NFR is designed to handle low frequencies with ease while also excelling as a high-frequency device.Get ready to experience the power and versatility of the 21NFR - where small size meets massive performance.

Specifications:
General specs
Nominal Diameter:    2 in.
Rated Impedance:    16 Ohm

Power handling
AES Power:    10 Watts
Program Power:    20 Watts

Voice Coil
Diameter:    0.8 in.
Winding wire:    CCAW
Former:    kapton
Winding height:    6.4 mm

T/S Parameters
Resonant frequency:    157 Hz
Re:    10.2 ohm
Qes:    0.82
Qms:    3.8
Qts:    0.68
Vas:    0.25 liters
Sd:    16.62 cm2
Mms:    1.59 grams
Bl:    4.4
Le:    0.1 mH
Sensitivity:    84.7 dB

Design details
Surround Material:    Rubber
Cone material:    Paper
Spider:    Nomex
Plate thickness:    4 mm
Peak to peak linear cone Displacement    8.2 mm
Overall diameter:    57.3 mm
Bolt circle diameter:    45.45 mm
Baffle cutout dia.:    50.5 mm
Number of mounting holes:    4
Depth (flange to rear):    34.5 mm
Net weight:    0.12 kg