Data Sheet

Headquarters: United States:
DPA Microphones A/S DPA Microphones, Inc.
Gydevang 42- 44 2432 N. Main St., Suite 200
DK-3450 Alleroed, Denmark Longmont, CO 80501, USA
Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
[e-mail] [e-mail]
www.dpamicrophones.com www.dpamicrophones.com
© , DPA Microphones A/S
Product features and specifications are subject to change without notice. Page 2 of 2
4091, 4091 Omni Mic, Low Sens, P48
Directional characteristics:
Omnidirectional
Principle of operation:
Pressure
Cartridge type:
Pre-polarized condenser
Frequency range, ± 2 dB:
20 Hz – 20 kHz
Sensitivity, nominal, ± 3 dB at 1 kHz:
6 mV/Pa; -44.5 dB re. 1 V/Pa
Equivalent noise level, A-weighted:
Typ. 26 dB(A) re. 20 µPa (max. 28 dB(A))
Equivalent noise level, ITU-R BS.468-4:
Typ. 38 dB (max. 40 dB)
S/N ratio (A-weighted), re. 1 kHz at 1 Pa (94
dB SPL):
68 dB(A)
Total harmonic distortion (THD):
< 1 % up to 123 dB SPL peak
Dynamic range:
Typ. 97 dB
Max. SPL, peak before clipping:
144 dB
Output impedance:
< 40 ohm
Cable drive capability:
Up to 300 m (984 ft)
Output balance principle:
Impedance balanced
Common Mode Rejection Ratio (CMRR):
> 40 dB
Power supply:
48 V Phantom power ± 4 V
Current consumption:
2 mA
Connector:
3-pin XLR-M
Color:
Black
Microphone weight:
38 g (1.34 oz)
Microphone diameter:
19 mm; at tip 6.7 mm (0.75 in; at tip: 0.26 in)
Capsule diameter:
5.4 mm (0.21 in)
Microphone length:
122 mm (4.8 in)
Polarity:
Positively increasing sound pressure produces
positive going voltage at pin 2
Temperature range:
-40 °C to 45 °C (14 °F to 113 °F)
Relative humidity (RH):
90 %
Diagrams
4091, 4091 Omni Mic, Low Sens, P48
Typical on-axis frequency response of DPA 4091 in free field
Typical on-axis frequency response of DPA 4091 in free field
Directional Characteristics of DPA 4091
Directional Characteristics of DPA 4091