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
Parameters
Size
2.25 Inch
Fs
150 Hz
Re
3.23 Ohms
Sensitivity
83 dB
Quality Factor
0.8 Qts
Rated Power
12 W
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 |
