Reference Microphone, 130 V
The Type 4004 is an omnidirectional hi-voltage (130 V) close miking specialist with an extended on-axis frequency response from 10 Hz to 40 kHz (±2 dB). The 4004 is a Reference condenser microphone specially designed to handle extremely high sound pressure levels - up to 168 dB SPL before clipping occurs. It has an unbeatable dynamic range of 124 dB from the noise floor to 1% THD and an extended headroom of 20 dB up to clipping level due to the special hi-voltage powering system. The 4004 is acoustically identical with the reference microphone Type 4007, but differs in the powering system and the fact that the 4004 has a transformerless output. 4004 is totally transparent and is the perfect choice in all close miking recording situations regardless of the sound source.
Directional characteristics: OmnidirectionalPrinciple of operation: PressureCartridge type: 12 mm (0.47 in) pre-polarized condenserFrequency range, ± 2 dB: 10 Hz - 40 kHzSensitivity, nominal, ±2 dB: 10 mV/Pa; -40dB re. 1V/PaEquivalent noise level A-weighted: Typ. 24 dB(A) re. 20 µPa (max. 26 dB(A))Equiv. noise level ITU-R BS.468-4: Typ. 36 dB (max. 38 dB)S/N ratio, re. 1 kHz at 1 Pa (94 dB SPL): 70 dBTotal harmonic distortion (THD): <0.5% up to 142 dB SPL peak, <1% up to 148 dB SPL peakDynamic range: Typ. 124 dBMax. SPL, peak before clipping: 168 dB SPL peak (f<4 kHz)Output impedance: <75 ohmCable drive capability: From microphone to HMA5000: Up to 20 m (6 ft) From HMA5000: Up to 300 m (984 ft)Power supply: 130 V through HMA5000Connector: 4-pin modified XLR-M (High Voltage)Weight: 150 g (5.29 oz)Capsule diameter: 12 mm (0.47 in)Microphone length: 165 mm (6.5 in)Operating temperature range: -40 to +55°C (-40 to 131°F)