Microtech Gefell M221 Handleiding


Lees hieronder de 📖 handleiding in het Nederlandse voor Microtech Gefell M221 (4 pagina's) in de categorie Microfoon. Deze handleiding was nuttig voor 2 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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STUDIO CONDENSER
MICROPHONE
with
Phantom powering P 48 V
microphones & acoustic systems - founded 1928 by Georg Neumann
M I C R O T E C H G E F E L L
 Small diaphragm capsule
 Metal diaphragm
 Pressure transducer
 Free field equalization
 Transformerless
M 221
2STUDIO CONDENSER MICROPHONE
APPLICATION
ACOUSTICAL SPECIFICATIONS
M 221 with omni directional pattern
The condenser microphone M 221 unifies universal small diaphragm capsule technology with a
metal diaphragm and a modular preamplifier. The use of a certificated measurement capsule
combined with a preamplifier with 48 V phantom powering reaches a constant magnitude and
phase response and transmission properties which are long-term stable.
Because of the small capsule dimensions the M 221 is ideally suited for applications where a low
interference with the sound field is demanded. It is usable as a main microphone for recordings
which should include a certain amount of the room response. As well the M 221 is suited as a spot
microphone for recording instruments very close where the low frequencies should be transmitted
in detail and original. Moreover it can be used for multichannel main microphone arrangements
like AB stereophony or decca tree. For these applications the microphone is ideal because of its
precise and long-time stable transmission properties. The M 221 has an excellent transient re-
sponse because of the pressure transducer capsule and is really suitable to record instruments
with extreme transients. With the both different sized spherical corpuses a high frequency accentu-
ation can be produced in an acoustical way to increase the presence and to compensate the high
frequency roll-off in the diffuse sound field. The M 221 can operate also in unfavorable climate
conditions especially referring the temperature and air humidity for which the accessory humidity
adaptor TA 202 is purchasable.
The pick-up pattern is equivalent to the longitudinal direction of the microphone. As sound trans-
ducer a condenser capsule with a diameter of 12,5 mm and a very thin metal diaphragm is used.
The pressure transducer capsule exhibits an omni-directional polar pattern without proximity
effect. Because of the free field equalization the M 221 has a constant frequency response from
20 Hz up to 20 kHz (± 2 dB). The static pressure equalization between the capsule interior and
the atmosphere goes through a vent to the preamplifier. Therefore the humidity adaptor TA 202 is
usable to protect the microphone in application with high air humidity. The use of the M 221 with
the spherical corpus KA 3 effects a frequency response accentuation which begins at approxima-
tely 1 kHz and goes constant at 3 dB from approximately 4 kHz up to 12 kHz. With the spherical
corpus KA 4 the accentuation of the high frequencies starts also at approximately 1 kHz and goes
constant at 3 dB between 3 kHz and 12 kHz.
3
ELEKCTRICAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
The transformerless circuit design of the electronic impedance converter with symmetrical output
facilitates an output capability for sound pressures from15 dB(A) up to 136 dB with a maximum of
0,5 % THD (total harmonic distortion). The microphone is connected by a standard 3-pin XLR-male
plug with gold-plated pins which realizes the powering by an external 48 V phantom supply
according to IEC 61938 with a current consumption of 6 mA.
The M 221 consists of a microphone capsule and a microphone preamplifier as independent
mechanic parts which are connected to a complete microphone through a screw thread. Micro-
phone capsule and microphone preamplifier have an identical overall diameter of 12,7 mm which
enlarges to 21 mm over the length of the microphone preamplifier to the connection side of the
microphone. The shape of this enlargement is designed for a minimum interference with the sound
field. Microphone capsule and microphone preamplifier have together a length of 170,4 mm. On
the connection side of the M 221 there are standard microphone holders mountable. To reach a
higher attenuation against solid-born sound and impulses there are elastic holders and suspen-
sions usable. The weight of the M 221 is 123 g what allows to use the microphone with stand
mountings as well as to hang up the microphone from the ceiling without any problems.
DELIVERY
ACCESSORIES, optional
Microphone with the microphone holder MH 93.1M 221
and spherical corpuses KA 3 and KA 4 in a wooden case L x B x H 275 x 90 x 70 mm
dark bronze Order-No. 211103
Windscreen, anthracite W 2 Order-No. 202407
Elastic suspension, dark bronze EH 93 Order-No. 202328
Microphone holder, turnable, dark bronze MH 93 Order-No. 202326
Connection cable C 70 Order-No. 202212


Product specificaties

Merk: Microtech Gefell
Categorie: Microfoon
Model: M221

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