Internal Controls - VariMic Version
The VariMic head includes adjustments for Bass, Midrange and Treble response. There is also an attenuation adjust-
ment to provide up to 15dB of additional headroom if needed.
Bass / Mid / Treble
The bass and treble controls will boost/cut by up to approximately 8dB while the Mid control will boost/cut up to about
6dB. These controls operate as standard tone controls. Counter-clockwise will reduce the response in that band and
clockwise will provide a true boost. These controls can be accessed by removing the windscreen. To remove the
windscreen, grasp the body of the transmitter in one hand and the windscreen in the other hand. Carefully unscrew
the wind-screen counter-clockwise until it comes off then carefully slide the windscreen past the mic element.
• Set flat, the mic capsule is very wide range and sounds a lot like a large
competitor’s top line condenser mic.
• Bass cut gives a dry but highly intelligible sound. Crisp.
• Bass boost “fattens” the sound but is very listenable. Does not get midbass boomy.
• Midrange cut sounds very smooth. Almost a “crooner” quality. A sweet sound.
• Midrange boost is likely to be useful in a system that is midrange shy.
• Treble cut has a “mellow” sound. The capsule has a solid high end so a little cut
does not ruin the response.
• Treble boost might be fine on some sound systems. The sound doesn’t get
harsh (showing that the response was smooth) but sibilants are a little too much.
Should be used in moderation.
Bass Filter
In addition to the tone controls, the UT200 also has a built in bass filter. This filter
is fixed and cannot be adjusted or defeated. Low frequency noise is much more of
a problem with wireless microphones than with conventional microphones. With a
regular 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 follow-
ing electronics or speaker systems. But with a wireless microphone, the electron-
ics that will be overdriven are right in the wireless microphone. Filtering at the
control board is much too late. To solve this problem, the VariMic has a low
frequency 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 funda-
BASS MID TREBLE
mentals. The lowest operatic bass voice fundamental is 82 Hz. See the curve
below.
Attenuator
The VariMic head includes an attenuator to provide an
additional 15dB of headroom when needed. The attenua-
UT200 Bass/Midrange/Treble Boost/Cut
tor should only be used when the normal Mic Level pot is
already turned down as far as it will go and the signal
+10
through the mic is still too hot. The attenuator control is a
16-position switch marked 0 through F. “F” is minimum
+5
attenuation or the highest signal level. “0” is maximum
attenuation or the lowest signal level. For the maximum
dB
amount of headroom, set the switch to “0.”
-5
-10
10Hz
100Hz
1KHz
10KHz
6
(1 pages)
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