динамик EV DL18MT.
Usable Axial Frequency Response in Typical Enclosure(4.0 ft3 tuned to 40 Hz),
Swept One-Third-Octave Pink Noise,4 Volts at 10 Feet,
Anechoic Environment, Normalized for 1 Watt/1 Meter: ........... 30-3,000 Hz
Power Handling Per ANSI/EIA RS-426-A 1980:
400 wattsPer AES2-1984/ANSI S4.26-1984,
50-500 Hz: 400 wattsSensitivity (SPL at 1 m, 1 watt input power, nominal impedance),200- to 4,000-Hz Average: ................. 96 dB100-to 800-Hz Average: .................... 96 dBImpedance Response:Minimum (Zmin): ........................... 7.5 ohms at 150 HzNominal: .................................. 8 ohms
Distortion Response (on axis in standard baffle, 10% rated input power:
Second Harmonic:
100 Hz: .................................. -45 dB (0.6 %)
1,000 Hz: ................................ -41 dB (0.9 %)
Third Harmonic:
100 Hz: .................................. -41 dB (0.9 %)
1,000 Hz: ................................ -38 dB (1.3 %)
Beamwidth (angle included by 6-dB-down points on polarresponses for octave bands of pink noise; See ),
500 Hz: .................................. 90°
1,000 Hz: ................................ 70°
2,000 Hz: ................................ 45°
Physical Constants,Effective Piston Diameter: ............... 406.0 mm (16.0 in.)
Moving Mass (MMo): ....................... 0.151 kg (0.333 lb)
Voice-Coil Winding Depth: ................ 20.3 mm (0.8 in.)
Voice-Coil Diameter: ..................... 63.5 mm (2.5in.)
Voice-Coil Winding Length: ............... 26.9 m (88.4ft)
Top Plate Thickness at Voice Coil: ....... 10.9 mm (0.43 in.)
BL Factor: ............................... 22.5 tesla meter
Thiele-Small Parameters (broken in),
Fs : ..................................... 24 Hz
VAS: ..................................... 580.5 liters (20.5 ft3)
QES: ..................................... 0.269
OMS: ..................................... 6.59
QTS: ..................................... 0.259
RE: ...................................... 6.0 ohms
SD: ...................................... 0.130 m2 (201 in.2)
MMD: ..................................... 0.151 kg (0.333 lb)
LE : ..................................... 2.7 mH
CMS: ..................................... 0.246 mm/N
RMS: ..................................... 4.08 mechanical ohms
PE(max) (per ANSI/EIA RS-426-A 1980): .... 400 watts
XMAX 1: .................................. 5.59 mm (0.22 in.)
Xlim 2: .................................. 12.7 mm (0.50 in.)
VD (SD x XMAX): .......................... 0.725 liters (0.0256 ft3)
Thermal Rise after Power Test: ........... 85 (185 F)
Typical Vented Enclosures: ............... 8.0 ft3 tuned to 36 HzAdditional Descriptive Information,
Magnet Weight: ........................... 2.2 kg (4.9 lb)
Magnet Material:.......................... Barium ferrite
Frame: ................................... Cast aluminumFrame
Finish: ............................ Textured black epoxyPlating of Steel
Parts: .................. Bright CadmiumVoice-Coil
Material: ..................... CopperVoice-Coil
Insulation: ................... Polyimide 220°C rating
Voice-Coil Form: ......................... PolyimideBack
Cover: ............................. Black, advanced synthetic elastomerNet
Weight: .............................. 9.3 kg (20.5 lb)
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