Standard
3" Paper Cone Midrange
FSIMD1500-0801
Features
3", Steel Frame
0.8" CCAW Voice Coil, Kapton Former
Paper Cone, Cloth Surround
Dual Ferrite Magnet Motor System
Neodymium Cancelling Magnet on Pole
Parameters
Size
3 Inch
Fs
115 Hz
Re
6.92 Ohms
Sensitivity
84 dB
Quality Factor
0.77 Qts
Rated Power
15 W
This 2.5 inch 8 ohm Midrange driver, with 0.8 inch voice coil copper clad Aluminum wire, Aluminum former, paper cone and cloth surround. It contains dual Neodymium magnet system which provides maximum flux in a compact package.The Aluminum former and busket under spider are vented hole so as to reduce air compression effects and aid cooling of the motor under high excursion conditions.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 115.8 Hz |
| Mechanical Q factor [Qms] | 3.757 |
| Electrical Q factor [Qes] | 0.789 |
| Total Q factor [Qts] | 0.652 |
| Force factor [Bl] | 4.744 Tm |
| Mechanical resistance [Rms] | 0.683 kg/s |
| Moving mass [Mms] | 3.527 g |
| Compliance [Cms] | 0.535 mm/N |
| Effective diaph. diameter [D] | 60 mm |
| Effective piston area [Sd] | 28.27 cm² |
| Equivalent volume [Vas] | 0.6058 l |
| Sensitivity (2.83V/1m) | 88 dB |
| Ratio Bl/√Re | 1.76 N/√W |
| Ratio fs/Qts | 177.6 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 6.992 Ω |
| Maximum impedance [Zo] | 40.706 Ω |
| DC resistance [Re] | 6.92 Ω |
| Voice coil inductance [Le] | 0.099 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 15 W |
| Long-term max power (IEC 18.2) | - W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 20.3 mm |
| Voice coil height | 7.0 mm |
| Voice coil layers | 2 |
| Height of gap | 3.0 mm |
| Linear excursion | ± 2.0 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.447 kg |
