AKG Acoustics D7 S Frequency Response, Transducers patents nos, AT 403.751, US 6.185.809, DE

	6 Specifications
Polar pattern:	supercardioid
Frequency range:	70 Hz to 20 kHz
Highpass filter	80 Hz, permanently on
Sensitivity:	2.6 mV/Pa (-52 dBV re 1 V/Pa)
Max. SPL for 1% / 3% THD:	147 / 156 dB SPL
Equivalent noise level:	18 dB(A) to IEC 60268-4
Impedance:	≤ 600 ohms
Recommended load impedance:	≥ 2000 ohms
Humbucking coil:	integrated
Connector:	3-pin XLR
Finish:	D 7, D 7 S: matte gray-blue; D 7 LTD: chrome plated
Size:	length: 185.2 mm (7.3 in.);
	diameter: 51 mm (2 in.)
Net weight:	340 g (12 oz.)
Shipping weight:	655 g (1.45 lbs.)
Patents:	Varimotion varying-thickness diaphragm for dynamic
	transducers (patents nos.
	AT 403.751, US 6.185.809, DE 814.637,
	DK 814.637, FI 814.637, FR 814.637,
	GB 814.637, IT 814.637, NL 814.637)

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

D 7/D 7 S/D 7 LTD 21