AKG C 12 VR, Инструкция пользователя

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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
Ⳏ
–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
Ⳏ
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