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4 SETTING UP
This section provides an overview of using the FM9 in various setups using third-party equipment. When you
test any new setup, always proceed slowly with all level knobs turned all the way down. The FM9 features pop
suppression on startup, but speakers or monitors should be powered on last whenever possible. A basic AC surge/
spike protector is also recommended. Remember that the FM9 is extremely flexible. There are countless setups
not detailed here.
4 SETTING UP
GENERAL PRINCIPLES
INPUTS
Setting Input Levels is important. See “Setting Levels” on p. 5.
The Input 1/Instrument jack features “Secret Sauce IV” to lower the noise floor, but you can
also safely connect guitars and other instruments to Input 2 or Input 3 with good results.
Inputs 2 and 3 are balanced. Use balanced 1/4" cables when connecting to balanced devices.
Use normal TS guitar cables when connecting to unbalanced devices.
OUTPUTS
Outputs 1 and 2 default to “-10” dBV, a lower level “consumer” format. Change to “+4” dBu
when connecting to pro audio equipment. Find these settings under SETUP: I/O: Audio.
Use XLR cables when connecting Out 1 or Out 2 XLR outs to the XLR inputs of other devices.
Use XLR female to TRS male cables or adapters when connecting Out1 or Out2
XLR connectors to the balanced 1/4" TRS inputs of other devices.
Use the Out 1/Out 2 ground lift switches if required to combat the hum caused by ground loops.
Use XLR female to TS male cables when connecting Out 1 or Out 2 XLR
connectors to the unbalanced 1/4" inputs of other devices.
Use Humbuster™ cables (see p. 6.) or regular guitar patch cables (1/4” tip sleeve) when connecting Out
1 or Out 3 1/4” Humbuster outputs to to the unbalanced 1/4” inputs of pedals, ampliers, and other devices.
Output 3 operates at unity gain when the Out 3 Level knob is turned fully clockwise.
The optional Boost/Pad setting can help lower the noise floor of Out 3 in some cases. See p. 93 for details.
MONO/STEREO
Any setup can easily be adapted for mono or stereo with some simple changes to input and output settings.
See “Mono vs. Stereo” on p. 6 for an introduction to this topic.
SPECIAL AMP BLOCK SETTINGS
When using the FM9 amp block into traditional (not full range) guitar speakers, certain advanced amp
parameters require consideration. Turn off Speaker Drive and Speaker Compression. Also consider
setting LF Resonance Frequency to match the resonant frequency of your connected cab if you know it.
The Amp block also includes an Output Mode setting which optimizes the output when using
either speaker sims and FRFR speakers or a solid state power amp and real guitar speakers.
FC CONTROLLERS
Any setup shown here also works great with one or more FC-6 or FC-12 foot controllers connected.
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