Lectrosonics UT400 User Manual download pdf (Page 9)

Synthesized UHF Hand-Held Transmitter

Subsonic Noise Filter

In addition to the tone controls, the UT also has a built-

in subsonic noise (or high pass) ﬁlter. This ﬁlter is ﬁxed

and cannot be adjusted or defeated. Low frequency

noise is much more of a problem with wireless micro-

phones than with conventional microphones. With a

conventional mic, low frequency wind noise, breath

thumps or handling rumble can be ﬁltered out at the

control board before the noise causes problems with

the following electronics or speaker systems. However,

with a wireless microphone, the electronics that will

be overdriven are in the microphone itself. Filtering at

the control board is too late. To solve this problem, the

VariMic

has a subsonic noise ﬁlter that is so sharp

that it can remove low frequency noise without affecting

any wanted vocals. It consists of a 36 dB per octave

ﬁlter circuit to sharply remove low frequency noise

below 75 Hz without affecting vocal fundamentals. (For

reference, the lowest operatic bass voice fundamental

is 82 Hz.)

Interchangeable Capsules

Any of these capsules may be included with the UT as

a standard option, or they can be ordered separately:

VMO omnidirectional condenser

The omni capsule is perfect when the talent may need

to be off-axis, such as in an interview situation. Also,

omni capsules by nature are much more immune to

handling, popping and wind noise than directional mi-

crophones. In addition, this capsule has slightly higher

sensitivity than the VMC cardioid capsule.

VMC cardioid condenser

This element has excellent frequency and transient re-

sponse rivaling the top condenser performance micro-

phones on the market. The pickup pattern is a standard

cardioid with exemplary off-axis response, allowing the

talent to move around the microphone without a change

in tone. The extended high-frequency response produc-

es an open, clean sound with excellent intelligibility.

VMS super-cardioid condenser

In applications where maximum gain before feedback

is required, the VMS capsule is the right choice. With its

nearly perfect super-cardioid pattern, the AKG C5900

capsule rejects sounds from the direct rear and rear

sides, while providing a generous frontal “live” area. The

VMS is slightly lower in sensitivity when compared to

the VMC.

VMO Pattern

VMC Pattern

VMS Pattern

Rio Rancho, NM

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Lectrosonics UT400 User Manual Page 9

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