This item is usually Drop Shipped from the MFR/Distributor within 7-10 days (subject to availability). Your order will be charged at the time of placing the order with the MFR
International orders*The Audio-Technica ATM73AC is a head-worn microphone ideal for drummers, keyboard players and anyone in need of hands free microphone operation. The comfortable, unobtrusive headband design features a side-of-mouth pickup. The cardioid polar pattern improves isolation of desired sound source while minimizing off-axis noise and feedback. The microphone is unterminated in order to allow wiring custom connectors if desired.
| Transducer | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 40-15,000 Hz |
| Dynamic Range (Typical) |
PHANTOM: 111 dB, 1 kHz at Max SPL
BATTERY: 97 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 59 dB, 1 kHz at 1 Pa |
| Maximum Input Sound Level |
PHANTOM: 146 dB SPL, 1 kHz at 1% T.H.D.
BATTERY: 132 dB SPL, 1 kHz at 1% T.H.D. |
| Power Requirements | 11-52V DC, 2 mA typical |
| Output Impedance |
PHANTOM: 200 ohms
BATTERY: 270 ohms |
| Output Connectors | Unterminated |
| Pad | No |
| Low Frequency Roll-Off | 80 Hz, 18 dB/octave |
| Dimensions | Microphone: 0.39" (10.0 mm) (Diameter) |
| Weight | Microphone: 1.1 oz (31 g) |