Infrasonic BLOW4, Руководство пользователя

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BLOW4/BLOW4D User’s Manual
13
5. SPECIFICATIONS
5.1. BLOW4
System / Enclosure
ƒ Two-way, bi-amplified reference monitor (bass-reflex type)
ƒ Free field frequency Response: 73Hz ~ 20kHz (+/- 1.5 dB)
ƒ
Free field cutoff response 62Hz ~ 22kHz (+/- 3.0dB)
ƒ Measured Maximum Continuous: 101dB SPL / 1m
ƒ Harmonic distortion at 90 dB SPL @ 1 m on axis: 0.5% under
ƒ Low frequency driver:
- Diaphragm Type: Polymer coated paper fiber cone type
- Diameter: 4" (101 mm)
- Voice Coil: 1.0" (25 mm)
- Magnet Type: Ferrite magnet with magnetically shielded
- Impedance: 6 ohms
ƒ High Frequency Driver
- Diaphragm Type: Natural Silk Dome with Waveguide.
- Diameter: 0.75" (19mm) diaphragm
- Magnet Type: Ferrite magnet with magnetically shielded
- Impedance: 8 ohms
ƒ Low Frequency Vent Type : Front ported, Slotted aperture
ƒ Internal cabinet volume: 3.7 liters
ƒ
Enclosure Construction: 13mm Vinyl-laminated M.D.F
ƒ Dimensions : (154 mmW x 254 mmH x 217 mmD)
ƒ Weight : 6.25 kg
Amplifier / Crossover
ƒ Power amplifier topology:
- Class A-B Power amplifier with Servo-loop
- DC, Over-load and Over Temperature protection
- Supply monitoring protection with Mute control
ƒ Output power rating:
- 30watts (<0.1% THD into 6 ohm)
- 25watts (<0.1% THD into 8 ohm)
ƒ Total Harmonic dist Noise: < 0.02% (@ 1 kHz, 100dB SPL)
ƒ Signal-to-noise ratio: > 101dB
ƒ Slew rate : > 5V/us
ƒ Input sensitivity control range (@output power 30W, trim):
+22dBu at control min
-9dBu at control max
ƒ
Connector: XLR input, 1/4" TRS Balanced input (impedance 20kOhm)
ƒ Crossover: 3.5 kHz, 30dB/otc 4
th
order active filter
ƒ High frequency tilt control : -2dB / Flat / +2dB (@ 10kHz)