Sennheiser SLT23460FC User Manual download pdf (Page 10)

10 MKH 418 S

English

the signal totally disappears – the two channels are

now set identical – now pan channel two fully left and

channel three fully right for normal operation).

Channels two and three are controlled as a single

fader (mechanically or electrically coupled together).

The stereo width is controlled by the relative levels –

less side is a narrower image, more side is a wider

image. The displacement of the faders by 3 dB, as

shown in the diagram as an example, results in 1:1

ratio matrixing.

During matrixing, it should be taken into account that

the direction of off-axis sound signals can be

determined less and less at high frequencies due to

the increasing directivity of the shotgun microphone.

This may lead to diffused spatial effects, which can be

desirable or undesirable depending on the recording

situation. In case of doubt, the proportion of the S

signal should not be chosen too high. In some cases, it

might be necessary to reduce the treble in the S

channel on the mixing console. At low frequencies

below 300 Hz, it is very difficult to locate sounds for

physiological reasons. Since the S system of the

microphone, due to its design principle, is more

sensitive than the M system to low-frequency

interference caused for example by wind, the bass in

the S channel should be reduced if required (eg: with a

high-pass filter).

Specifications

Acoustic operating principle M: pressure gradient /

interference tube receiver

S: pressure gradient receiver

Pick-up pattern M: super-cardioid/lobar

S: figure-of-eight

Sensitivity at 1000 Hz M: 25 mV/Pa (-32 dBV)

S: 10 mV/Pa (-40 dBV)

Frequency response 40 - 20,000 Hz

Max. SPL 130 dB SPL (63 Pa)

Max. output voltage 1.5 V

Equivalent noise level M: 14 dB-A / 26 dB-CCIR

S: 22 dB-A / 34 dB-CCIR

Output impedance at 1000 Hz < 25 Ω

Min. load impedance 1 kΩ

Power supply P48: 48 ± 4 V / 2 x 2.3 mA

Connector 5-pin XLR, male

Dimensions Ø 19 mm x 280 mm

Weight 220 g

Operating temperature range -20 to +60 °C

Humidity range < 95 % relative humidity

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Sennheiser SLT23460FC User Manual Page 10

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