DK4451 HF Drivers 1.75 inches
Notes
- 107.5 dB/SPL SENSITIVITY
- 120 WATT PROGRAM POWER HANDING
- 1200-18000 Hz FREQUENCY RANGE
- COMPOSITE POLYIMIDE
- VOICE COIL COPPER DEMODULATION RING
1.75 INCH CCAR VOICE COIL
GENERAL SPECIFICATIONS
| Throat diameter | 25.4（1） mm (in.) |
|---|---|
| Nominal impedance | 8 Ω |
| Minimum impedance | 6.2 Ω |
| Program power (1) | 120 W |
| AES Power rating(2) | 60 W |
| Sensitivity (3) | 107.5 dB |
| Frequency range | 1200~18000 Hz |
| Voice coil diameter | 44.4（1.75） mm (in.) |
| Magnet material | Ferrite |
| Magnet dimensions (ODxIDxh) | 100 mm |
| Coil material | ALR |
| Former material | kapton |
| Diaphragm material | Polyester |
| Voice coil Inductance | 0.8 |
| Flux density | 1.45 T |
| Recommended crossover (4) | 1500 Hz |
SHIPPING INFORMATION
| Net weight | 1.5 Kg |
|---|---|
| Multipack size (12) (W x D x H) | 322x244x148 mm |
| Multipack weight | 19.2 (12) Kg |
OTHERS
(1)Program power is defined as 3 dB greater than AES Power
(2)Horn loaded test 2h with continuous,brand-limited(500-20000Hz,12dB/oct)pink noise as per AES 2-1984 Rev.2003.
(2)Horn loaded test 2h with continuous,brand-limited(500-20000Hz,12dB/oct)pink noise as per AES 2-1984 Rev.2003.
(3)Measured on axis at 2.83V,1m, driver loaded with 80°× 60° horn, SPL average in the frequency range 500- 20000 Hz.
(4)High pass filter with slop 12 dB/oct. or higher.