Theater Recording Lectern Broadcast applications | HC 577 |
| The microphone shall be an extremely light head-worn design. The microphone shall use a dual-diaphragm transducer with a frequency-independent omnidirectional polar pattern. The transducer element shall be protected from penetrating water, sweat and make-up. An additional moisture shield shall protect the transducer element from water, perspiration and makeup flowing along the microphone arm. The length of the neck-back is adjustible. The microphone boom can be mounted left or right-sided. The length of the microphone boom is adjustable. The microphone shall be available in matte skincolor and meet the following performance criteria: frequency response: 20 to 20,000 Hz, The included Presence Boost cap adds 3dB at approx. 12kHz. sensitivity: 8 mV/Pa (-42dBV), electrical impedance: =<3,500 ohms, equivalent noise level (CCIR 468-3) 37dB, max. SPL(k=1%) 133 dB, power requirement: 1.5 to 12 VDC. The microphone shall be fitted with a 1.5 m (5 ft.) cable and its net (exclusive of the cable)/shipping weight shall be 28/150 grams (0.99/5.29 oz.). Available versions: HC 577 L with Mini-XLR connector for AKG wireless pocket receivers, foam and metal screen windscreens in several colors are also available. |
| Polar pattern | omnidirectional |
| Frequency range | 20 Hz to 20 kHz |
| Sensitivity | 8 mV/Pa (–42 dBV) |
| Max. SPL | 133 dB (for 1% THD) |
| Equivalent noise level | 26 dB-A |
| Signal/noise ratio (A-weighted) | 68 dB |
| Impedance | <=3.5 kohms |
| Recommended load impedance | >=10 kohms |
| Supply voltage | 1.5 V to 12 V |
| Powering | <=0.6 mA |
| Connector | 3-pin mini XLR |
| Cable | 1.5 m (5 ft.) |
| Finish | flesh tone |
| Dimensions | 205 mm (8.1 in.), max. diameter: 145 mm (5.7 in.) |
| Net weight | 28 g (0.99 oz.) |
| Shipping weight | 150 g (5.3 oz.) |
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