AKG Acoustics C 12VR manual Specifications of the Microphone, Component locations

3. Specifications of the Microphone

Operating Principle:	Pressure gradient transducer with double-diaphragm and vacuum tube preamplifier
Directional Characteristics:	Omni-, cardioid-, figure-eight, and six intermediate positions remotely controlled from the
	microphone on the powering unit
Sensitivity at 1000 Hz:	10mV/Pa ￿ –40 dBV*)
Frequency Range:	30 to 20,000 Hz ± 2.5 dB from published curve
Electrical Impedance:	200 ohms ± 25 %
Recommended Load Impedance:	 1000 ohms
Equivalent Noise Level:	32 dB (DIN 45405/CCIR 468-2)
	22 dB-A (acc. to DIN 45412, A weighted)
Powering:	Via the included powering unit N 12 VR with 115/230 VAC
Maximum Sound Pressure Level:	For k=3 %=128 dB SPL ￿ 50 Pa
Pre-attenuation:	Switchable to –10 dB and –20 dB
Roll-off Filter:	Two position filter, remotely controllable from powering unit N-Tube
Connector:	Large-sized Tuchel, 12 pin
Dimensions:	42 ø × 225 mm (1.65 ø × 8.9 inch)
Net Weight:	680 g (24 oz.)
Shipping Weight:	Approx. 4.5 kg (~10 Ibs.)
	*) The sensitivity may be increased by 10 dB with a switch on the p. c. board.

This product conforms to EN 50 082-1 and EN 50 081-1.

Component locations

7