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ปรึกษาด้านเทคนิก
Professional Line + Gradient Condenser Shotgun Microphone (18.11")
Designed for video production and broadcast (ENG/EFP) audio acquisition, the AT8015 provides the narrow acceptance angle desirable for long-distance sound pickup, along with excellent sound rejection from the sides and rear of mic. The roll-off position reduces the pickup of low-frequency ambient noise (such as traffic, air-handling systems, etc.), room reverberation and mechanically coupled vibrations.
Features
ELEMENT | Fixed-charge back plate, permanently polarized condenser |
POLAR PATTERN | Line + gradient |
FREQUENCY RESPONSE | 40-20,000 Hz |
LOW FREQUENCY ROLL-OFF | 80 Hz, 12 dB/octave |
OPEN CIRCUIT SENSITIVITY |
Phantom: –38 dB (12.5 mV) re 1V at 1 Pa Battery: –39 dB (11.2 mV) re 1V at 1 Pa |
IMPEDANCE |
Phantom: 250 ohms Battery: 300 ohms |
MAXIMUM INPUT SOUND LEVEL |
Phantom: 132 dB SPL, 1 kHz at 1% T.H.D. Battery: 120 dB SPL, 1 kHz at 1% T.H.D. |
DYNAMIC RANGE (typical) |
Phantom: 110 dB, 1 kHz at Max SPL Battery: 98 dB, 1 kHz at Max SPL |
SIGNAL-TO-NOISE RATIO | 72 dB, 1 kHz at 1 Pa |
PHANTOM POWER REQUIREMENTS | 11-52V DC, 2 mA typical |
BATTERY TYPE | 1.5V AA/UM3 |
BATTERY CURRENT / LIFE |
0.4 mA / 1200 hours typical (alkaline) |
SWITCH | Flat, roll-off |
WEIGHT | 195 g (6.9 oz) |
DIMENSIONS |
460.0 mm (18.11") long, 21.0 mm (0.83") diameter |
OUTPUT CONNECTOR | Integral 3-pin XLRM-type |
ACCESSORIES FURNISHED | AT8405a stand clamp for 5/8"-27 threaded stands; 5/8"-27 to 3/8"-16 threaded adapter; AT8135 windscreen; battery; protective carrying case |
AUDIO-TECHNICA CASE STYLE | SG3 |