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Note, In a production using both wired and wireless microphones, the modeling allows the user to select
a wireless mic model that is similar to the majority of wired ones. This selection should help reduce
potential feedback from dissimilar microphone frequency responses when using global EQ settings on
the audio system.
*All product names herein are trademarks of their respective owners, which are in no way associated or affiliated with Line 6. These trademarks of
other manufacturers are used solely to identify the products of those manufacturers whose tones and sounds were studied during Line 6’s sound model
development. SHURE and SM58 are registered trademarks of Shure Incorporated. Sennheiser is a registered trademark of Sennheiser Electronic Corp.
Audix is a registered trademark of Audix Corporation. Audio-Technica is a registered trademark of Audio-Technica Corporation. Electro-Voice is a
registered trademark of Telex Communications, Inc. AKG is a trademark of AKG Acoustics GmbH.
Selecting Equalization Models with the TBP12 Beltpack Transmitter
The TBP12 beltpack transmitter may be used with a wide variety of lavalier, headset, and instrument
microphones, as well as with a quarter-inch instrument cable. Some of these microphones are available
from Line 6; with the correct wiring and a TA4F connector, virtually any mic may be used. To help
the user achieve the best performance from the microphones in a multitude of applications, sets of
equalization models are provided.
Note, See the TA4F wiring instructions in the Appendix at the end of the manual.
To select a particular equalization model for a lavalier, headset, or instrument microphone, press and
hold the
SELECT button until the display changes to the channel setting screen. Quickly press the
SELECT button two more times to go to the [MODEL] page. You will see a three-digit designation for
the currently selected mic EQ model; press the
VALUE button to scroll through the available models
– one per click. The model names will flash. To select one of the models, press the
SELECT button
(the display goes to the next page of selection options) or do not push any buttons for approximately
15 seconds.
Name Application Description
SF1 Speech Filter 1 Gentle high-pass
SF2 Speech Filter 2 Gentle high-pass and high-cut
SF3 Speech Filter 3 Moderate high-pass and high-cut
SF4 Speech Filter 4 Gentle high-pass, mid-cut and high-cut
SF5 Speech Filter 5 Moderate high-pass, mid-cut and high-cut
SF6 Speech Filter 6 Aggressive high-pass, mid-cut and high-cut
IF1 Instrument Filter 1 Guitar cable high frequency roll-off
IF2 Instrument Filter 2 Woodwind instrument enhancement
IF3 Instrument Filter 3 Brass instrument enhancement
Microphone Usage Tips
Unlike a handheld microphone where the user typically speaks or sings directly into the mic element
– where the full frequency response of both the person and the mic is available, lavalier microphones
are placed on the body in a variety of places. Being farther away from and below or to the side of the
mouth, the level is usually much lower, plus the frequency response lacks the highs as well as the lows
from being near the mic element. The sound is often hollow and emphasizes the midrange. When you
increase the gain to bring back the level of the voice, other extraneous noises are also more easily picked
up and amplified.
The sometimes substantial equalization corrections necessary to make the voice of the lavalier user
sound “natural” can be quite difficult to achieve without feedback problems, especially with live audio
at higher levels. Using a combination of mic placement and EQ is the best compromise for good sound