Sennheiser MKH416 Mode D'emploi page 6

Sennheiser condenser microphones produce relatively high output
voltages exceeding 1 volt at maximum sound pressure levels. This has
the advantage that even with long cables induced interference signals can
be disregarded. Also the internal noise produced by the microphone does
not contribute to the total noise level. The microphones are fitted with RF
filters which ensure that no high frequency signals from the microphone
can affect the external circuitry and that the microphone itself is protected
from high frequency disturbance. It is therefore not necessary, even
under the most difficult conditions, to take special precautions, such as
double screening of the cables or the provision of high frequency filters.
Senn heiser condenser microphones are polarised according to DIN
standard i. e. when apressure pulse strikes the capsule from the front.
Pin 1 of the DIN-connector (resp. Pin 2 of the Cannon-connector) goes
positive with reference to Pin 3. This should be considered when the
amplifier input plug is being wired for correct phasing.
Connection to amplifiers with balanced inputs
Phantom-powered microphones are generally to be connected to
balanced ground-free transformer inputs.
In this case the microphone is simply connected via the power supply
MZN 16 P 48
resp. MZN 16 P48-U (seeaccessories)to the inputsof the
amplifier.
Connection to amplifiers with unbalanced inputs
In many cases, for example most home-tape recorders, the input socket
is unbalanced. If a phantom-powered microphone is to be connected to
such inputs it is generally necessary to use a transformer. The secondary
of this audio-transformer may then be connected - one side grounded -
to the input. Proper voltage matching is achieved by selecting a suitable
transformer ratio.
Connection to amplifiers with high input sensitivity
If the amplifier being used has a very high input sensitivity i. e. when it is
normally intended for use with dynamic microphones, it can be necessary
to reduce the output voltage from the microphone by means of a voltage
divider. This should be built into the microphone cable at the amplifier
input. This way the large signal on the microphone cable is maintained up
to just before the amplifier, which hel ps to increase the signal to noise
ratio.
Connection to amplifiers with powering tacilities
If an appropriate voltage source is available in the amplifier the condenser
microphone can be powered directly. The voltage should be 48 volts
::!:
12 volts. It should be stabilisedand filtered,so thatthe unweighted
noise voltage is less than 1 mV.
According to the DIN standard the feed resistors should be 2 x appx.
6.8 kQ. The difference between the two resistors should be ~ 0.4 %.
The current taken by Sennheiser condenser microphones MKH . . . P 48,
is appx. 2 mA. This means that approx. 7 volts are lost ac ross the resistors.
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Phantom-powering 48 V
according to DIN 45596
alternatively
48V 3,3 kQ
7
Frequeneyresponse
Operatingprlnciple
Dlreet,onaleharaetenstie
Sensitlvltyat 1000 Hz
Impedaneeat 1000 Hz
Signal to noise ratio to DIN 45 590
Maximal SPL
Operating voltage
Currenttaken
Temperature range
Output plug
Pinconnections
3 pin standard
plugtoDIN41524
1: Audio
(+1;
Supply (+)
2: Ground. housing;
Supply I-)
3: Audio (-I;
Supply 1 +) aeeording
to DIN 45596
Cable eonneetor
3 pm standard eonneetor
toDIN41524
e. g. T 3261001
19 mm 0, 235 mm lang
160 g
dull blaekor satin nickel
40 . 20000Hz
pressure gradlent-line
transdueer
super-eardlold-Iobe
25 mV/Pa :t 1 dB
12.5 mV/~bar :t 1 dB)
appx. 10 Q balaneed,
ground-free
400 Q (200 Q for
SPL up to 30 Pa)
72 dB
50 Pa
48 V :t 12 V
approx.2 mA
-1O°Cto+70'C
3 pin XLR plug
1 Ground, housing;
Supply (-I
2: Audio (+);
Supply (+ I
3: Audio I-);
Supply (+ I aeeording
to IEC standard
Publ,eation268-14/2
3 pin eonneetorXLR-3-11 C
19 mm 0, 250 mm lang
175 g
We reserve the right to alter speeifieation,espeeially with regardto teehnleal
improvements.
Frequency Response
20 50 100 200 5OC 1000 2000 5000 10000 20000 0/'
Standard response curve with tolerances MKH 416 P 48.
The original diagram is included with each microphone, measured from
50. .20000 Hz.
Accessories tor MKH 416 P 48
Microphone Clamp MZQ 415
The clamp can be fitted on tripods, booms etc. with
%"
threads.
Swivel Mount MZG 415
The swivel mount gives the possibility to use the desk stand together
with the microphone clamp or the shock mount for the MKH 416 P 48.
Desk Stand MZT 441
The MZT 441 is together with the swivel mount MZG 415 and the micro-
phone clamp MZO 415 or the shock mount MZS 415 a stable desk stand
for the MKH 416 P 48.
8
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