FR89EX-8
The Fountek FR89EX is an 88mm full range drive unit. This long throw design has an impressive maximum linear excursion of +/- 5mm.
Features include a black aluminium cone, high flux neodymium magnet system, non resonant chassis and an underhung copper ribbon voice coil. This small drive unit has a smooth, extended frequency range with excellent transients and low distortion.
| Resonant frequency (fs) | 97 Hz | Nominal impedance (Zn) | 4 / 8 Ω |
| Mechanical Q factor (Qms) | 4.88 | DC resistance (Re) | 3.2 / 5.8 Ω |
| Electrical Q factor (Qes) | 0.57 | RMS power handling | 15 W |
| Total Q factor (Qts) | 0.51 | Sensitivity (2.83V/1m) | 85.3dB |
| Equivalent volume (Vas) | 1.4L | Chassis diameter | 88.4 mm |
