Standard
90mm x 27mm Paper Cone Fullrange
ASDFD2000-0800
Features
90mm x 27mm, Steel Frame
0.5” CCAW Voice Coil, Aluminum Former
Paper Cone, Rubber Surround
Dual Neodymium Magnet Motor System
Power Handling with 2nd HP Filter @ 120Hz
Parameters
Size
2 Inch
Fs
240 Hz
Re
7.6 Ohms
Sensitivity
82 dB
Quality Factor
1.05 Qts
Rated Power
20 W
This is 90mm x 27mm 8 ohm driver, and it is a Fullrange feature with a 0.5 inch voice coil with CCAW. In the suspension system, the cone consists of a paper cone with a ring of nitrile rubber.In a permanent magnet motor system, the magnet is composed of two magnetic circuits.You can use it on the Soundbar model.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 238 Hz |
| Mechanical Q factor [Qms] | 3.46 |
| Electrical Q factor [Qes] | 1.51 |
| Total Q factor [Qts] | 1.05 |
| Force factor [Bl] | 3.12 Tm |
| Mechanical resistance [Rms] | 0.55 kg/s |
| Moving mass [Mms] | 1.28 g |
| Compliance [Cms] | 0.34 mm/N |
| Effective diaph. diameter [D] | 75.2 x 20 mm |
| Effective piston area [Sd] | 14.18 cm² |
| Equivalent volume [Vas] | 0.09 l |
| Sensitivity (2.83V/1m) | 82 dB |
| Ratio Bl/√Re | 1.13 N/√W |
| Ratio fs/Qts | 226.6 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 6.8 Ω |
| Maximum impedance [Zo] | 20.7 Ω |
| DC resistance [Re] | 7.6 Ω |
| Voice coil inductance [Le] | 0.19 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 20 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 13.28 mm |
| Voice coil height | 4.4 mm |
| Voice coil layers | 4 |
| Height of gap | 2 mm |
| Linear excursion | ± 1.2 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.0392 kg |
