HAND WIRED
GUITAR AMPLIFIERS
CONTROLS AND
CONNECTIONS
The MoFo and Mini MoFo feature the same controls and
connecting sockets on the front and back panels
(described below). We encourage you to spend time
experimenting with the controls to discover the full
range of tones available.
Inputs
The MoFos feature a pair of 1/4" jack sockets, either of
which can be used to connect the output from your guitar.
Always use a high quality guitar lead to ensure a reliable
connection, the integrity of your signal, and the minimising
of noise.
As their names suggest, the UK input shapes the signal for
the classic thinner, brighter, British guitar sound, while the
US input shapes the signal for characteristically thicker and
darker US-style tones.
MoFo
The MoFo control is used to set the level of signal boost,
and is used in conjunction with the Gain and Master
controls to achieve overdriven, lead tones. When switched
on, a red light appears above the control. In the full
counter-clockwise position, no additional boost is being
added to the signal, even when the red light is illuminated.
Use this control to set the amount of overdrive boost you
require, then switch it in or out as required during your
performance using a footswitch connected to the Boost
jack on the rear panel.
Please note that this footswitch is included with the MoFo,
but is an optional extra with the Mini MoFo.
Gain
Gain is another name for a volume control that’s usually
found at the front end of a preamplifier. The Gain control is
used to vary the amount of signal passing through the
preamp. With the control set low you will be able to get clean
tones (used in conjunction with the Master as described
later). Increasing the gain allows more signal to pass through
the preamp, causing the amplifier to overdrive and distort.
Bass, Middle, Treble, Presence
This is the equalisation part of the amplifier, and these
controls shape the overall response of the amplifier.
Balancing these controls can provide you with a large range
of tones from which to work. All the controls are interactive
(moving one will alter the way the others function) and you
should spend some time experimenting to find out what’s
available.
Master
The Master Volume controls the final amount of signal that
is fed to the power amp and therefore the overall volume of
the amplifier. The Master works in conjunction with the
Gain control as follows.
For clean tones the Master needs to be fully up, controlling
the overall volume with the Gain control.
For distortion tones at controllable levels, turn the Master
down and the Gain up. Varying the Gain will control the
amount of distortion and the Master will control the overall
level of the sound.
Effects loop
The FX socket on the front panel is a stereo 1/4" jack
which accommodates both the signal send to the effects
pedal or rack, and the return back from the effects unit to
the amplifier. It is therefore necessary to use an ‘Insert’
cable terminated in a stereo 1/4" jack plug at one end
(which connects to the FX socket on the amplifier) and a
pair of mono 1/4" jack plugs at the other (which connect to
the input and output of the effects unit.
The return is wired to the tip of the stereo plug, and the
send to the ring.
Stealth
The Stealth switch is located underneath on the underside of
the amplifier. When switched into Stealth mode, the output of
both the MoFo and Mini MoFo is limited to just 2 Watts,
enabling the full range of tones to be achieved at low volume
levels in recording applications.
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