From DPA Microphones (Bruel & Kjaer)
The Type 4061-B is the black version of the Miniature Microphone Type 4061. This type is a prepolarized omnidirectional Miniature Condenser Microphone with a 5.4mm vertical diaphragm specially designed for maximum performance under the often difficult conditions when mounted directly on the human body. Special attention has been taken in the design to deal with the humidity problems that often occur in theatrical applications. A double vent protection system together with water resistant materials inside the microphone make it more than difficult for moisture to cause the Miniature Microphone to fail. By changing the protection grids, the Miniature Microphones can furthermore be acoustically modified according to the placement of the microphone on the body.
Type 4061 is acoustically identical with the award winning Type 4060, but the sensitivity is adjusted to 6mV/Pa to match some of the more sensitive transmitters on the market. The noise floor of the Type 4061 is 26dB(A) re. 20 Pa and if powered correctly the microphone will be able to handle sound pressure levels up to 144dB SPL before clipping occurs. A wide range of connection adapters makes it possible to use the 4061 with close to any professional wireless system available plus 48 V phantom.
| Directional characteristics: | Omnidirectional |
|---|---|
| Principle of operation: | Pressure |
| Cartridge type: | Pre-polarized condenser element with vertical diaphragm |
| Frequency range, ± 2 dB: | Soft boost grid: 20 Hz – 20 kHz, 3 dB soft boost at 8 – 20 kHz. High boost grid: 20 Hz – 20 kHz, 10 dB boost at 12 kHz. |
| Sensitivity, nominal, ±3 dB at 1 kHz: | 6 mV/Pa; -44 dB re. 1 V/Pa |
| Equivalent noise level A-weighted: | Typ. 26 dB(A) re. 20 µPa (max. 28 dB(A)) |
| Equiv. noise level ITU-R BS.468-4: | Typ. 38 dB (max. 40 dB) |
| S/N ratio, re. 1 kHz at 1 Pa (94 dB SPL): | 68 dB(A) |
| Total harmonic distortion (THD): | < 1 % THD up to 123 dB SPL peak; < 1 % THD up to 120 dB SPL RMS sine |
| Dynamic range: | Typ. 97 dB |
| Max. SPL, peak before clipping: | 144 dB |
| Output impedance: | 30 – 40 ohm |
| Cable drive capability: | Up to 300 m (984 ft) |
| Power supply: | For wireless systems: Min. 5 V – max. 50 V through DPA adapter. With DAD6001-BC/DAD6024/DAD4099: 48 V phantom power ±4 V for full performance. |
| Connector: | MicroDot |
| Color: | Black, beige, brown or white |
| Microphone weight: | 7.5 g (0.26 oz) incl. cable and MicroDot connector |
| Microphone diameter: | 5.4 mm (0.21 in) |
| Microphone length: | Max. 12.7 mm (0.5 in) |
| Cable length: | 1.8 m (5.9 ft) |
| Cable diameter: | 1.6 mm (0.06 in) |
| Polarity: | Positively increasing sound pressure produces positive going voltage on MicroDot pin |
| Operating temperature range: | -40 °C to 45 °C (-40 °F to 113 °F) |
| Relative Humidity (RH): | Up to 90% |
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