D2904/950000
The Scanspeak D2904/950000 is a 4 ohm version of the ever popular D2905/950000. Features include a hand coated 25mm soft textile dome, an optimised pole piece and a critically damped rear chamber with an integral resonance plug. The phase and distortion performance is still regarded as exceptional after 3 decades.
| Resonant frequency (fs) | 550 Hz | Nominal impedance (Zn) | 4 Ω |
| Effective diaphragm diameter | 28mm | DC resistance (Re) | 3.5 Ω |
| Ferrofluid ? Y/N | Yes | RMS power handling | 150 W |
| Recommended crossover | 2.5kHz/12dB | Faceplate diameter | 104.5 mm |
| Sensitivity (2.83V/1m) | 91 dB | Cutout hole diameter | 75 mm |
2905/9500 D2905/95000 D2905-9500 D2905-95000