6NDL44 Woofer
400 W continuous program power capacity
44 mm (1.7 in) copper voice coil
70 - 6000 Hz response
91.5 dB sensitivity
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
Specification
Nominal Diameter | 170 | (6.5) mm (in) |
Nominal Impedance (1) |
| 8 Ohm |
Minimum Impedence |
| 5.8 Ohm |
Nominal Power Handling (2) |
| 200 W |
Continuous Power Handling (3) |
| 400 W |
Sensitivity (1W/1m) (4) |
| 91.5 dB |
Frequency Range |
| 70 - 6000 Hz |
Voice Coil Diameter | 44 | (1.7) mm (in) |
Winding Material |
| Copper |
Former Material |
| Kapton |
Winding Depth | 12 | (1/2) mm (in) |
Magnetic Gap Depth | 6 | (1/4) mm (in) |
Flux Density |
| 1.25 T |
Thiele & Small Parameters
Fs | 68 Hz |
Re | 5.0 Ohm |
Qes | 0.35 |
Qms | 9 |
Qts | 0.34 |
Vas | 7.5 (0.26) dm3 (ft3) |
Sd | 132 (20.5) cm2 (in2) |
Eta Zero | 0.65 % |
Xmax | 6.0 mm |
Xvar | 5.5 mm |
Mms | 17.8 g |
Bl | 10.3 Txm |
Le | 0.57 mH |
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Mounting and Shipping Info | |
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Overall Diameter | 187 mm (7.4 in) |
Bolt Circle Diameter | 172 mm (6.7 in) |
Baffle Cutout Diameter | 145 mm (5.7 in) |
Depth | 82 mm (3.2 in) |
Flange and Gasket Thickness | 11 mm (0.4 in) |
Net Weight | 1.2 kg (2.6 lb) |
Shipping Weight (4 units) | 6.1 kg (13.4 lb) |
Shipping Box (4 units) | 405x225x210 mm |
| (15.9x8.8x8.3 in) |
1For different impedances, please ask.
22 hours test made with continuous pink noise signal (6 dB crest factor). Power calculated on rated minimum impedance.
3Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
4Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance.
