LEWITT DGT 450 USB Cardioid Microphone

Acoustical operating principle Pressure gradient transducer, permanently polarized
TransducerΨ 17 mm / 0.67 inch
Polar pattern Cardioid
Frequency range 50 to 20,000 Hz
Dynamic range of mic. amp = 93 dB (A)
Preattenuation pad 10 dB
Low cut 12 dB / octave at 80 Hz
Front to back ratio @ 1 kHz 15 dB (A)
Sensitivity [dBFS] @ 1 kHz re 1 Pa - 24 ± 3 dBFS, 1 kHz at 1 Pa
Analog gain range 0 to 44 dB
Microphone self noise (0 dB gain) = 25 dB (A)
Limiting SPL (0 dB gain) = 118 dB (A)


GENERAL



Resolution 24 Bit
Sample rates 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Recording modes Cardioid / Cardioid + Line in
Supply voltage on iOS additional
Supply voltage on iOS additional 5 V / 500 mA , micro-USB power supply required
Connector 18-pin lockable hi - speed connector


LINE-IN



Input impedance 1 Meg / 10 pF
Full scale input voltage (0 dB gain) 0.7 VRMS, -0.9 dBu (re 0.775 VRMS)
Input dynamic range = 96 dB (A)
Frequency response 20 to 20,000 Hz
Operating principle Mono line input
Analog gain range 0 to 12 dB


HEADPHONES

• Output power 20 mW at 16 ohm, THD+N < 0.5 %
• 16 mW at 32 ohm, THD+N < 0.5 %
• Frequency response 20 to 20,000 Hz
• Headphone volume control - 60 to 0 dB
• 155 dB, 12 dB pre-attenuation
• 161 dB, 18 dB pre-attenuation
• Max. SPL for 0,5% THD (Tube) 140 dB, 0 dB pre-attenuation - 146 dB, 6 dB pre-attenuation - 152 dB, 12 dB pre-attenuation - 158 dB, 18 dB pre-attenuation
• Pre-attenuation pad 6 dB - 12 dB - 18 dB
• selectable on remote control
• Bass cut filter slope 12 dB / octave at 40 Hz - 6 dB / octave at 150 Hz - 6 dB / octave at 300 Hz
• selectable on remote control
• Rated impedance < 200 ohms
• Rated load impedance > 1.000 ohms
• Supply voltage custom power supply unit 230 V, 50 Hz - 110 V, 60 Hz
• Current consumption 170 mA
• Connector gold plated 11-pin XLR
• Cable 8 m (26 ft)
• 11-pin audio cable
• oxygen-free copper
• Dimensions (Mic) 192 x 60 x 46 mm
• Dimensions (PSU) 250 x 150 x 70 mm