HD1040 Eighteen Sound driver tweeter 80W Titanio 1"
| Throat Diameter | 25,4 mm (1 in) |
| Rated Impedance | 8 Ohm |
| D.C. Resistance | 5,3 Ohm |
| Minimum Impedance | 7 Ohm at 4000Hz |
| AES Power | 40 W above 1,6 kHz |
| Program power (8) | 80 W above 1,6 kHz |
| Sensitivity (9) | 107 dB |
| Frequency Range | 1600Hz - 20kHz |
| Recomm. Xover Frequency | 1600Hz (12dB/oct slope) |
| Diaphragm material | Treated polyethylene |
| Voice Coil Diameter | 44,4 mm (1 3/4 in) |
| Voice Coil winding material | Edge-wound aluminum |
| Magnet material | Ferrite |
| Flux Density | 1,6 T |
| Bl Factor | 7,4 N/A |
| Polarity | Positive voltage on + terminal gives positive pressure in the throat |
| Overall diameter | 110 mm (4,3 in) |
| N. of mounting holes and bolt | 4 M6 holes 90° at Ø 76 mm (3 in) |
| Bolt circle diameter | 76 mm (3 in) |
| Total depth | 60,5 mm (2,38 in) |
| Net weight | 1,6 Kg (3,52 lb) |
| Shipping weight | 1,7 Kg (3,74 lb) |
| Packaging Dimensions | 110x110x63 mm (4,3x4,3x2,5 in) |
| Model | Code | Info |
|---|---|---|
| 0421081040 | 0421081040 | 8 Ohm |
| 0421061040 | 0421061040 | 16 Ohm |