d:sign™ 4060 Omni Boundary Layer Mic, XLR
Specifications for BLM4060
Directional pattern
Omnidirectional, hemisphere
Principle of operation
Pressure
Cartridge type
Pre-polarized condenser
Frequency range
20 Hz - 20 kHz
Frequency range, ±2 dB
20 Hz - 14 kHz, with 7 dB soft boost at 8 kHz
Sensitivity, nominal, ±3 dB at 1 kHz
20 mV/Pa; -34 dB re. 1 V/Pa
Equivalent noise level, A-weighted
Typ. 23 dB(A) re. 20 µPa (max. 26 dB(A))
Equivalent noise level, ITU-R BS.468-4
Typ. 35 dB (max. 38 dB)
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94 dB SPL)
71 dB(A)
Total harmonic distortion (THD)
< 1% up to 123 dB SPL peak
Max. SPL, peak before clipping
134 dB
Output impedance
From MicroDot: 30 - 40 Ω. From DAD6001: 100 Ω
Cable drive capability
Up to 300 m (984 ft)
Power supply (for full performance)
Min. 5 V to max. 50 V through DPA adapter for wireless systems
or 48 V phantom power ±4 V with DAD6001-BC XLR adapter
Connector
MicroDot or XLR 3-pin
Color
Black rubber disc mounted in stainless steel base
Weight
240 g (8.5 oz) excl. Cable
Microphone diameter
12 mm (0.47 in)
Microphone length
100 mm (4 in)
Cable diameter
1.6 mm (0.06 in)
Polarity
Positively increasing sound pressure produces positive-going voltage on MicroDot pin/pin 2 on XLR connector
Temperature range
-40°C to 45°C (-40°F to 113°F)
Relative humidity (RH)
Up to 90%
BLM4060 Frequency response
Typical on and off-axis response of a d:sign™ BLM4060
d:sign™ 4060 Omni Boundary Layer Mic, XLR
Specifications for BLM4060
or 48 V phantom power ±4 V with DAD6001-BC XLR adapter
BLM4060 Frequency response