- CD - 381 T COMPRESSION DRIVER
Key Features
60Watt Max Power
1 in Horn throat diameter
Flat Titanium diaphragm
38 mm (1.50 in) voice coil, aluminium wire
Neodymium magnet assembly
16 Ohm available
Measure Conditions
Measurement executed in free air (1m) in semi-anechoic chamber
+ Plane Wave Tube
Applied RMS Voltage is set to 2.83 V for 8 Ohm nominal impedance
Impedance module related to driver in free air
Frequency response with driver mounted on: PR312
+ Plane Wave Tube
Applied RMS Voltage is set to 2.83 V for 8 Ohm nominal impedance
Impedance module related to driver in free air
Frequency response with driver mounted on: PR312
|
General Specifications
|
| Throat Diameter | 1 in - 25.4 mm | |
|---|---|---|
| Nominal Impendance | 8 Ohm | |
| Minimum Impedance | 7.2 Ohm | |
| Direct Current Resistance (Re) | 5.6 Ohm | |
| Minimum Crossover Frequency (1) | 2 kHz | |
| Sensitivity (1W/1m) (2) | 108 dB | |
| Frequency Range | 1.2 ÷ 18 kHz | |
| AES Power (3) | 30 Watt | |
| Program Power (4) | 60 Watt | |
| Diaphragm Material | Flat Titanium | |
| Voice Coil Diameter | 38 mm (1.5 in) | |
| Voice Coil Winding Material | Aluminum | |
| Voice Coil Former Material | Kapton | |
| Phase Plug Material | Reinforced plastic polymer | |
| Magnet Material | Neodymium | |
| Full Throat Angle | 25.3 degree | |
| BL Factor | 4.6 N/A | |
| Flux Density | 1.52 T | |
| Inductance (Le) | 0.061 μH |
| Notes (*) | ||
| (1) | Minimum Crossover Frequency require a 12 dB/oct or higher slope high-pass filter. | |
|---|---|---|
| (2) | Sensitivity is measured at 1 m on axis from the mouth of horn, averaged between 1 kHz and 4 kHz. | |
| (3) | AES Power rating is a test made for 2 hours with Pink Noise signal having a 6 dB Crest Factor from minimum crossover frequency. Power calculated on minimum impedance. Driver mounted on plastic horn. | |
| (4) | Program Power rating is defined as 3 dB greater than AES rating and is aconservative expression of the transducer ability to handle music program material. | |
Mechanical & Shipping Informations
| Net weight | 0.40 kg (0.88 lb) | |
|---|---|---|
| Overall Diameter | 60 mm (2.36 in) | |
| Mounting holes diameter | 2 x M5 holes 180° | |
| Mounting bolt diameter | 76 mm (2.99 in) | |
| Total Volume Size | 0.12 dm3 (0.004 ft3) | |
| Total Depth | 52 mm (2.05 in) | |
| Units per Shipping Box | 12 units | |
| Shipping Box Size (mm) | 305 x 295 x 210 mm | |
| Shipping Box Size (in) | 12 x 11.6 x 8.3 in |
Plane Wave Tube
Semi-Anechoic Chamber
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