C 547BL
Boundary Layer Condenser Microphone
Description
The C 547 BL is a condenser boundary layer microphone
with a hypercardioid pickup pattern. Its rugged construction
permits it to be used on the floor, where it can withstand
accidental footsteps. It has a switchable low frequency roll-
off filter to minimize footfalls on stage. The microphone
works as well on a tabletop.
Microphone sensitivity is 8.5 mV/Pa, and total harmonic
distortion (THD) is 1% at an acoustical operating level of
133 dB. The equivalent noise floor is 22 dB-A. The
microphone operates on phantom powering over the range of
9 to 52 volts dc. The finish is matte black, and the
microphone can be painted any color to match decor.
The connector is a 3-Pin XLR.
Specifications
Transducer Principle:
Frequency Range:
Polar Pattern:
Condenser prepolarized
30–18,000 Hz
Hypercardioid
Features
Sensitivity at 1,000 Hz:
Equivalent Noise Level:
8.5 mV/Pa (-42dBV)
< 22 dB-A
• Non-crush construction
• Inconspicuous
Sound Pressure Level for 1% THD: 133 dB
S/N Ratio (A-weighted): > 72 dB
• Unidirectional pickup
• Paintable
Electr. Impedance:
Load Impedance:
< 400 ohms
> 1,000 ohms
Low frequency roll-off:
switchable bass-cut
12 dB/octave, 200 Hz
Power Requirement:
Connector:
Cable Length:
Finish:
9–52 volts phantom powering
3-Pin XLR-type
10 ft. (3 m)
Matte dark gray
Size:
7.3 x 4.7 x 0.8 in.
(185 x 120 x 20 mm)
Net/Shipping Weight:
Included Accessories:
Optional Accessories:
5.6 oz. (160 g)/14.8 oz. (420 g)
W 547 Windscreen
B 18 Battery power supply
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