AKG Acoustics C 451 B manual Frequency Response, Polar pattern Cardioid Frequency range

	Specifications
Polar pattern:	cardioid
Frequency range:	20 to 20,000 Hz ± 1.5 dB from published curve
Sensitivity:	9 mV/Pa / -41 dBV re 1 V/Pa
Electrical impedance:	< 200 ohms
Recommended load impedance:	> 1000 ohms
Max. SPL for 0.5% THD:	112 Pa / 135 dB SPL with 0 dB preattenuation*)
	355 Pa / 145 dB SPL with 10 dB preattenuation*)
	1120 Pa / 155 dB SPL with 20 dB preattenuation*)
Equivalent noise level to IEC 60268-4 (A-weighted): 18 dB-A
Dynamic range:	117 dB max. (A-weighted)*)
Preattenuation pad:	switchable to 0 dB, -10 dB, -20 dB
Highpass filter:	switchable to flat or 12 dB/octave at 75 Hz or 150 Hz
Powering:	9 to 52 V phantom power to IEC 61938
Operating temperature:	-20°C to +60°C
Connector:	3-pin male XLR
Finish:	satin nickel plated
Size:	dia.: 19 mm (0.7 in.); length: 160 mm (6.3 in.)
Net/shipping weight:	125 g (4.4 oz.) / 760 g (1.7 lbs.)

*) Values measured with 48-V phantom power. Reduce by 2 dB for 24-V or 8 dB for 12-V phantom power.

This product conforms to the standards listed in the Declaration of Conformity. To order a free copy of the Declaration of Conformity, visit http://www.akg.com or contact sales@akg.com.

Frequency Response Polar Diagram

	0ϒ
75 Hz	150 Hz
C 451 B	21