Audio rents, inc – AKG Acoustics C 12VR User Manual

Page 7

AUDIO RENTS, INC.

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:

у 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:

225 mm (1.65

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