AT841a Omnidirectional Condenser Boundary Microphone (DISCONTINUED)
- Designed for surface-mount applications requiring high-quality sound pickup
- Heavy die-cast case and rubber bottom pad minimize coupling of surface vibration to the microphone
- Operates on battery or phantom power
- Low-profile design for minimum visibility
- Detachable 25' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F connectors
- Also available in white as AT841WA
| SPECIFICATIONS | |
|---|---|
| ELEMENT | Fixed-charge back plate, permanently polarized condenser |
| POLAR PATTERN | Omnidirectional |
| FREQUENCY RESPONSE | 30-20,000 Hz |
| LOW FREQUENCY ROLL-OFF | 80 Hz, 18 dB/octave |
| OPEN CIRCUIT SENSITIVITY | PHANTOM: -42 dB (7.9 mV) re 1 V at 1 Pa
BATTERY: -44 (6.3 mV) re 1 V at 1 Pa |
| IMPEDANCE | PHANTOM: 200 ohms
BATTERY: 270 ohms |
| MAXIMUM INPUT SOUND LEVEL | PHANTOM: 133 dB SPL, 1 kHz at 1% T.H.D.
BATTERY: 119 dB SPL, 1 kHz at 1% T.H.D. |
| DYNAMIC RANGE (typical) | PHANTOM: 104 dB, 1 kHz at Max SPL
BATTERY: 90 dB, 1 kHz at Max SPL |
| SIGNAL-TO-NOISE RATIO | 65 dB, 1 kHz at 1 Pa |
| PHANTOM POWER REQUIREMENTS | 9-52V DC, 2 mA typical |
| BATTERY TYPE | 1.5V AA/UM3 |
| BATTERY CURRENT / LIFE | 0.4 mA / 1200 hours typical (alkaline) |
| SWITCH | Off, on-flat, on-roll-off |
| WEIGHT (MICROPHONE) | 2.8 oz (80 g) |
| WEIGHT (POWER MODULE) | 5.2 oz (147 g) |
| DIMENSIONS (MICROPHONE) | 2.56" (65.0 mm) diameter,
0.59" (15.0 mm) height |
| DIMENSIONS (POWER MODULE) | 3.27" (83.0 mm) H x
2.48" (63.0 mm) W x 0.87" (22.0 mm) D |
| OUTPUT CONNECTOR (POWER MODULE) | Integral 3-pin XLRM-type |
| CABLE | 25' (7.6 m) long, 0.13" (3.2 mm) diameter, 2-conductor, shielded, with TA3F connectors |
| ACCESSORIES FURNISHED | AT8531 power module; battery; soft protective pouch |
| SPECIFICATION GRAPHS | ||
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| Click on the chart to view the larger image | ||
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Conditions
AT841a : Omnidirectional Condenser Boundary Microphone
