Standard
2.5” Paper Cone Fullrange
65A20EHC19267
Features
2.5”, Steel Frame
0.8” CCAW Voice Coil, Kapton Former
Paper Cone, Rubber Surround
Dual Neodymium Magnet Motor System
Power Handling with 2nd HP Filter @ 140Hz
Parameters
Size
2.5 Inch
Fs
185 Hz
Re
7.1 Ohms
Sensitivity
83 dB
Quality Factor
1.04 Qts
Rated Power
20 W
This is a 2.5 inch 8 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 Neodymium material. It can be used on Soundbar model.
Family
Range
| T-S Parameters | |
|---|---|
| Resonance frequency [fs] | 186.8 Hz |
| Mechanical Q factor [Qms] | 6.18 |
| Electrical Q factor [Qes] | 1.25 |
| Total Q factor [Qts] | 1.04 |
| Force factor [Bl] | 3.42 Tm |
| Mechanical resistance [Rms] | 0.34 kg/s |
| Moving mass [Mms] | 1.78 g |
| Compliance [Cms] | 0.406 mm/N |
| Effective diaph. diameter [D] | 50.5 mm |
| Effective piston area [Sd] | 20 cm² |
| Equivalent volume [Vas] | 0.23 l |
| Sensitivity (2.83V/1m) | 83 dB |
| Ratio Bl/√Re | 1.4 N/√W |
| Ratio fs/Qts | 209 Hz |
| Electrical Data | |
|---|---|
| Nominal impedance [Zn] | 8 Ω |
| Minimum impedance [Zmin] | 6.8 Ω |
| Maximum impedance [Zo] | 33.5 Ω |
| DC resistance [Re] | 7.1 Ω |
| Voice coil inductance [Le] | 0.142 mH |
| Power Handling | |
|---|---|
| 100h RMS noise test (IEC 18.4) | 20 W |
| Long-term max power (IEC 18.2) | 25 W |
| Voice Coil & Magnet Data | |
|---|---|
| Voice coil diameter | 20.32 mm |
| Voice coil height | 4.6 mm |
| Voice coil layers | 2 |
| Height of gap | 4 mm |
| Linear excursion | ± 0.3 mm |
| Max mech. excursion | ± - mm |
| Unit weight | 0.085 kg |
