15M/4531K00
15cm audiophile midrange unit. Large high efficiency magnet and SD1 Symmetrical Drive. Outstanding frequency response characteristics. The cone is precision sliced then re-bonded with damping glue; this unique procedure gives a very high level of internal damping.
This no compromise high end drive unit offers superlative sound quality with outstanding midrange resolution and clarity.
| Resonant frequency (fs) | 35 Hz | Nominal impedance (Zn) | 4 Ω |
| Mechanical Q factor (Qms) | 4.80 | DC resistance (Re) | 3.5 Ω |
| Electrical Q factor (Qes) | 0.24 | RMS power handling | 50 W |
| Total Q factor (Qts) | 0.23 | Sensitivity (2.83V/1m) | 90 dB |
| Equivalent volume (Vas) | 23.8L | Chassis diameter | 148 mm |
