SB Acoustics SB21RDCN-C000-4 Tweeter

Description

SB Acoustics SB21RDCN-C000-4 Tweeter
SB Acoustics SB21RDCN-C000-4 Tweeter
Specs
Nominal Impedance 4 Ω
DC resistance, Re 3.1 Ω
Voice coil inductance, Le 0.04 mH
Effective piston area, Sd 4.6 cm
2
Voice coil diameter 20.4 mm
Voice coil height 1.5 mm
Air gap height 2.0 mm
Linear coil travel (p-p) 0.5 mm
Moving mass incl. air, Mms 0.25 g
Free air resonance, Fs 850 Hz
Sensitivity (2.83V/1m) 89.5 dB
Mechanical Q-factor, Qms 2.71
Electrical Q-factor, Qes 2.45
Total Q-factor, Qts 1.28
Force factor, Bl 1.3 Tm
Rated power handling* 40 W
Magnetic flux density 0.9 T
Magnet weight 0.01 kg
Net weight 0.06 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.
Features
Non-resonant diaphragm design for minimum high frequency break-up
Copper cap for reduced voice coil inductance and minimum phase shift
Compact low distortion neodymium motor system
Non-resonant rear chamber with optimized damping for improved dynamics
CCAW voice coil for low moving mass
Long life silver lead wires
Low resonance frequency
Shipping
Handling time:
Depending on ordering time, handling time will take 7-14 working days.
Usually we order items on Wednesday and ship them out on next Tuesday or Wednesday
We do not stock items. Only Europe customers can have next day shipping
Shipping cost:
Combined with every item you purchase
Delivery time:
Depends on shipping carrier. Usually 3-5 working days.
There is an option for faster shipping.
Payment
We accept the following payment methods:
Paypal
Please contact us if you have any questions.
Service
Customs - Ask about invoice declaration
Condition - New straight from the factory
Items location - EUROPE