ASDFD1222-0400
ASDFD1222-0400
Standard
2.25" Paper Cone Fullrange

ASDFD1222-0400

Features
2.25", Steel Frame
0.8" CCAW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Ferrite Magnet Motor System
Long Excursion (±2.75mm)
Low Distortion(<3%)
Size
2.25 Inch
Fs
150 Hz
Re
3.23 Ohms
Sensitivity
83 dB
Quality Factor
0.8 Qts
Rated Power
12 W
  • Description
  • Measure Chart
  • Specification
  • Mechanical Drawing
SPEC SHEET

This is a 2.25 inch 4 ohm driver, it is a Fullrange features 0.8 inch voice coil with CCAW. In term of suspension system, cone is consisted by Paper Cone body with NBR surround and spider is consisted by Conex. In term of magnet motor system, magnet is consisted by Ferrite material. It can be used on  AI speaker model.

Family
Range
 
T-S Parameters
Resonance frequency [fs] 149.4 Hz
Mechanical Q factor [Qms] 6.166
Electrical Q factor [Qes] 0.929
Total Q factor [Qts]  0.808
Force factor [Bl] 2.699 Tm
Mechanical resistance [Rms] 0.34 kg/s
Moving mass [Mms]  2.231 g
Compliance [Cms] 0.509 mm/N
Effective diaph. diameter [D]  45.3 mm
Effective piston area [Sd] 16.12 cm²
Equivalent volume [Vas] 0.1871 l
Sensitivity (2.83V/1m)  83 dB
Ratio Bl/√Re 1.5 N/√W
Ratio fs/Qts 184.9 Hz
Electrical Data
Nominal impedance [Zn]  4 Ω
Minimum impedance [Zmin]  3.61 Ω
Maximum impedance [Zo] 21.7 Ω
DC resistance [Re] 3.23 Ω
Voice coil inductance [Le]  0.04 mH
Power Handling
100h RMS noise test (IEC 18.4) 12 W
Long-term max power (IEC 18.2) - W
Voice Coil & Magnet Data
Voice coil diameter 19.4 mm
Voice coil height 8.5 mm
Voice coil layers 2
Height of gap 3 mm
Linear excursion ± 2.75 mm
Max mech. excursion ± - mm
Unit weight 0.387 kg

 

ASDFD1222-0400

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