AKG Acoustics 420 Type, Pressure-gradient microphone, Polar patterns, Impedance ≤ 200 ohms, Db-A

Type:	1-inch dual-diaphragm, true condenser
	pressure-gradient microphone
Polar patterns:	cardioid, omnidirectional, figure eight
Open-circuit sensitivity
at 1kHz (cardioid):	28 mV/Pa (-31 dBV ±2 dB)
Frequency range:	20 Hz to 20 kHz
	(see frequency response graphs)
Impedance:	≤ 200 ohms
Recommended load impedance:	≥ 1000 ohms
Equivalent noise level
to CCIR 468-2:	26 dB
Equivalent noise level
to IEC 60268-4 (A-weighted):	16 dB-A
Signal/noise ratio
re 1 Pa (A-weighted):	78 dB
Max. SPL for 0.5% THD:	135 / 155 dB SPL (0 / -20 dB)
Preattenuation pad:	-20 dB (switchable)
Bass cut filter slope:	12 dB/octave, 300 Hz
AKG PERCEPTION 420

	7 Specifications
Environment:	temperature: -10°C to +60°C
	R.H.: 80% (+25°C)
Powering:	48 V ±4 V phantom power
	to DIN 45 596 / IEC 268-15
Current consumption:	≤ 2 mA
Connector:	3-pin XLR (pin 2 hot)
Dimensions:	53 dia. x 165 mm high / 2 x 6.5 in.
Net weight:	525 g / 1.2 lbs.

FCC Statement

The device complies with part 15 of the FCC rules. Operation is subject to the fol- lowing two conditions:

(1)this device may not cause harmful interference, and

(2)this device must accept any interference received, including interference that may cause undesired operation.

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