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| $25.60 for each | | 10+ | $23.04 | | 20+ | $20.74 |
Madisound# FR88-EX
 View Product PDF (256 KB)
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Fountek FR88EX 3" Full Range
Feature
- Extend frequency response ~ 100Hz to 30kHz
- Low distortion, long linear excursion
- Die cast chassis, aluminum cone
- 25 mm voice coil, copper ribbon on aluminum former
- Neodymium magnet
- Underhung voice coil
| Nominal Impedance |
8 |
ohm |
| DC Resistance (Re) |
6.0 |
ohm |
| Voice Coil Inductance (Le) |
0.45 |
mH |
| Effective Piston Area (Sd) |
27.34 |
cm2 |
| Voice Coil Diameter |
25 |
mm |
| Voice Coil Height |
4 |
mm |
| Air Gap Height |
10 |
mm |
| Linear Coil Travel (p-p) |
3 |
mm |
| Net Weight |
0.35 |
kg |
| Free Air Resonance |
95 |
Hz |
| Sensitivity (2.83V/1m) |
84.4 |
dB |
| Mechanical Q-factor (Qms) |
2.35 |
|
| Electrical Q-factor (Qes) |
0.72 |
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| Total Q-factor (Qts) |
0.55 |
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| Moving Mass incl. air (Md) |
2.26 |
g |
| Force Factor (BL) |
3.313 |
Tm |
| Equivalent Volume (Vas) |
1.29 |
l |
| Compliance (Cms) |
1.212 |
um/N |
| Flux Density |
0.88 |
T |
| Rated Power Handling |
15 |
W Rms |
| Overall diameter |
88.4 |
mm |
| Cutout diameter |
73 |
mm |
| Flange thickness |
4.3 |
mm |
| Depth |
38 |
mm |
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Suggested box:
0.75 liter (46 cubic inches) sealed and stuffed for an F3 of 150Hz
1.5 liter vented (92 cubic inches), stuffing, 1" diameter vent x 3" long, F3 90Hz
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