Fountek FR58C
The Fountek FR58C is a small 51mm full range drive unit featuring an aluminium cone and kapton voice coil former. The FR58C is great value and ideal for experimenting with single point drive units in micro loudspeaker systems or soundbars.
| Resonant frequency (fs) | 154 Hz | Nominal impedance (Zn) | 8 Ω |
| Mechanical Q factor (Qms) | 2.36 | DC resistance (Re) | 6.35 Ω |
| Electrical Q factor (Qes) | 2.38 | RMS power handling | 5W |
| Total Q factor (Qts) | 1.18 | Sensitivity (2.83V/1m) | 80.7 dB |
| Equivalent volume (Vas) | 0.49L | Chassis diameter (square) | 61 mm |