Countryman H7 Headset
ActiveUpdated by GEARMATH
Hypercardioid pressure-gradient headset microphone rated to 138 dB SPL on wireless and 143 dB SPL on XLR, for loud vocal and presenter use.
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Technical Registry
Audio
| Directional Pattern | Hypercardioid |
|---|---|
| Principle of Operation | Pressure gradient |
| Frequency Response | 20 Hz to 20 kHz; 50 Hz to 20 kHz ± 3 dB |
| Sensitivity | -41 dB re 1 V/Pa (8.9 mV/Pa) ± 3 dB at 1kHz |
| Maximum SPL | 138 dB SPL (Wireless); 143 dB SPL (XLR) |
| Equivalent Input Noise | Typ. 29 dB re 20 μPa (A-Weighted) |
| Dynamic Range | Typ. 107 dB |
| Output Impedance | 200 Ω |
| Current Drain | Typ. 100 µA (7VDC, 2-wire) |
Physical
| Cable Length | 5 Feet |
|---|
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