Cardioid Instrument Condenser Microphone ยี่ห้อ Shure รุ่น SM81-LC-X
- Flat response curve for accurate reproduction of sound sources
- Low noise and high-output clipping level
- Low distortion over a wide range of load impedances
- Cardioid polar pattern effectively isolates source signal
- Low RF susceptibility
- Selectable low-frequency response: flat, 6 or 18dB/oct roll-off
- 0dB/10dB lockable attenuator switch
- Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
- Rugged steel construction for durability
- Field-useable over wide range of temperature andhumidity conditions
Specifications
| Transducer | (Electret Bias) Condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 20 Hz – 20 kHz |
| Dynamic Range (Typical) | 120 dB |
| Signal-to-Noise Ratio | 78 dB, (@ 94 dB SPL, IEC 651) |
| Maximum Input Sound Level | 136 dB, (@ 250 Hz 0.5% THD) 146 dB, (with Pad) |
| Power Requirements | Phantom 11 – 52v DC |
| Output Impedance | 150 Ohms (85 Ohms Actual) |
| Output Connectors | XLR-3M Type |
| Pad | -10 dB Attenuation |
| Low Frequency Roll-Off | -6 dB/Octave @ 100 Hz -18 dB/Octave @ 80 Hz |
| Applications | Sound Reinforcement, Broadcast and Studio Recording. |
| Dimensions | 212 x 23.5 mm LxDiameter |
| Weight | 8 oz. (230 g) |
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