Audio Technica ATM73A Cardioid Condenser Headworn Microphone
Product Code: ATM73A
Features
• Ideal for drummers, keyboard players
• Hands-free operation
• Comfortable, unobtrusive headband design
• Belt-mounted power module operates on battery or phantom power
• Also available without power module, unterminated cable (ATM73ac)
• Also available with HRS4-pin connector (ATM73cW) for A-T wireless systems
The ATM73a is a headworn condenser microphone with a cardioid polar pattern. It is designed for use by performing musicians and others who require professional-quality vocal
pickup with hands-free operation. Ideal for drummers, keyboard players, the ATM73a features a comfortable, unobtrusive headband design with side-of-mouth pickup. Its belt-mounted power module
operates on battery or phantom power. |
| Element |
Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern |
Cardioid |
| Frequency Response |
40 - 15,000 Hz |
| Open Circuit Sensitivity |
Phantom: -55 dB (1.7 mV) re 1V at 1 Pa - Battery: -56 dB (1.5 mV) re 1V at 1 Pa |
| Impedance |
Phantom: 200 ohms - Battery: 270 ohms |
| Maximum Input Sound Level |
148 dB SPL, 1 kHz at 1% T.H.D.; 158 dB SPL, with 10 dB pad (nominal) |
| Low Frequencey Roll Off |
80 Hz, 18 dB/octave |
| Switches |
Off, on-flat, on-roll-off |
| Dynamci Range |
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 |
| Phantom Power Reqirements |
11-52V DC, 2 mA typical |
| Battery Type |
1.5V AA/UM3 |
| Battery Life |
0.4 mA / 1200 hours typical (alkaline) |
| Weight |
Microphone: 31 g (1.1 oz)
Power module: 139 g (4.9 oz) |
| Dimensions |
Microphone: 10.0 mm (0.39") diameter
Power module: 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
Headset:
165.0 mm (6.49") nominal at widest point, 67.0 mm (2.64") flexible boom |
| Output Connector |
Power module:Integral 3-pin XLRM-type |
| Cable |
4.6' (1.4 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor shielded cable with TA3F-type connector |
| Accessories |
AT8531 power module ; AT8128 windscreen ; AT8125 windscreen ; battery |
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