Microtech Gefell M 102 Bruksanvisning

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M 102
Studio Microphone
with 1“ nickel capsule
condenser microphone
omni-directional
measurement quality capsule
nickel diaphragm
transistor pre-ampli er
phantom powering P48
M 102
Studio Microphone M 102
The M 102 combines high quality measurement microphone
capsule technology with a nickel metal membrane and a
modular pre-ampli er. The use of a certi ed measure-fi fi
ment capsule combined with a 48 V phantom powered pre-
ampli er reaches a constant magnitude and phase response
and transmission properties that are long-term stable. A
sound calibrator like the KAL 4010 can be used for optimal
level adjustment if required.
Application
The M 102 is ideally suited for applications where a low noise
level is demanded. It is ideal as a main microphone for
recordings that should include a certain amount of the room
response. The M 102 is also perfect as a spot microphone
for recording instruments close up, where the low frequen-
cies need to be captured cleanly and with detail. The M 102
is also ideal for use as main microphones like an AB stereo
pair or a Decca Tree. For these applications the microphone
is ideal because of its precise and long-term stable transmis-
sion properties and can be supplied as a matched stereo pair
or Decca Tree triple on request. The M 102 has an excellent
transient response and is perfect to record instruments with
extreme transients.
Speci cation
The sound transducer is an externally polarised capsule with
a diameter of 23.8 mm with an extremely thin nickel metal
diaphragm. This nickel diaphragm is “grown in place” on
the metal structure of the microphone capsule making it one
uniform piece. The diaphragm structure is the same in all
directions and is a pure sampler of the sound pressure wave
without the distortions that can happen with other construc-
tion methods. The pressure transducer is omni-directional
and without any proximity effect. Because of the free- eld
equalisation, the M 102 has a constant frequency response
from below 20 Hz up to 20 kHz. The static pressure equal-
isation between the capsule interior and the atmosphere is
obtained via a tiny vent into the preampli er.
The transformerless circuit design of the electronic
impedance converter with symmetrical output facilitates an
output capability for sound pressures from 11 dB(A) up to
136 dB with a maximum of 0.5% THD (total harmonic distor-
tion). The microphone is powered via an external 48 V phan-
tom supply according to IEC 61938 and internally generates
the 200 V polarisation voltage for the capsule.
2
Technical Speci cations
Polar pattern Omni
Acoustic operating principle Pressure transducer
Frequency range 20 Hz to 20,000 Hz
Sensitivity at 1 kHz 50 mV/Pa
Output impedance 100 Ohm
Noise level CCIR 468-4 23 dB
DIN EN 60268-4 11 dB-A
Signal-to-noise ratio DIN EN 60268-4 83 dB-A
Max. SPL for 0.5% THD 136 dB
Dynamic range 125 dB
Power supply 48 V 4 V±
Current consumption 5.5 mA
Output connector XLR3M
Weight 210 g
Length 180 mm
Capsule diameter 23.8 mm
Pre-ampli er diameter (connector end) 21.0 mm
Frequency response and polar pattern
60°
90°
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Produktspecifikationer

Varumärke: Microtech Gefell
Kategori: mikrofon
Modell: M 102

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