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3. Specifications of the Microphone
Operating Principle:
Directional Characteristics:
Sensitivity at 1000 Hz:
Frequency Range:
Electrical Impedance:
Recommended Load Impedance:
Equivalent Noise Level:
Powering:
Maximum Sound Pressure Level:
Pre-attenuation:
Roll-off Filter:
Connector:
Dimensions:
Net Weight:
Shipping Weight:
This product conforms to the specifications of the European Union EMC and Low Voltage Directives in accordance with applied stand-
ards EN 61 000-6-1:2001, EN 61 000-3-3:2001, and EN 60 065:2002.
Component locations
Pressure gradient transducer with double-diaphragm and vacuum tube preamplifier
Omni-, cardioid-, figure-eight, and six intermediate positions remotely controlled from the
microphone on the powering unit
10mV/Pa
–40 dBV*)
30 to 20,000 Hz ± 2.5 dB from published curve
200 ohms ± 25 %
1000 ohms
32 dB (DIN 45405/CCIR 468-2)
22 dB-A (acc. to DIN 45412, A weighted)
Via the included powering unit N 12 VR with 115/230 VAC, +15/–10 % (50–60 Hz)
For k=3 %=128 dB SPL
50 Pa
Switchable to –10 dB and –20 dB
Two position filter, remotely controllable from powering unit N-Tube
Large-sized Tuchel, 12 pin
ø
ø
× 225 mm (1.65
× 8.9 inch)
42
680 g (24 oz.)
Approx. 4.5 kg (~10 Ibs.)
*) The sensitivity may be increased by 10 dB with a switch on the p. c. board.
7
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