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| Thunderfunk Bass Amplifiers Users Manual
Tone Controls
To match your speaker cabinets and the bass instrument to the room you are playing in, a very
wide range of tone shaping is available. While the amps are renown for sounding great flat, you
can also dial in nearly any tone imaginable. A little can go a long way; excessive boost or cut in any
one area may destroy your tone, while a single boost or cut can make a world of difference.
Overall bass and treble adjustments are made with the Bass and Treble controls, which con-
trol a broad range of the frequency spectrum. Many players use these controls to compensate
for acoustic situations, relying on the Enhance and Parametric controls to achieve their sound.
Experiment! Add bottom to fill in a low volume gig. Adjust the lower-mid’s to compensate for
that dead spot on your vintage neck. Add midrange to cut through the mix. Lower the high end to
reduce fret noise and string squeak.
Bass Control
This tone control is a shelving type, providing a boost or cut of 15dB starting at 80 Hz. Frequen
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cies above this are not really affected, but frequencies below are boosted uniformly. The control
is flat at the 12 o’clock position, for an easy and fast flat setting.
Semi-Parametric Controls
There are four pairs of semi-parametric controls. These let you boost or cut the sound at the
specific frequencies, compensating for room and speaker variations, different playing styles and
instruments, etc, without conflicting settings. The upper knob selects the frequency, and the knob
immediately below selects the amount boosted at that frequency, providing a 15 dB boost or cut
adjusted in a fixed one-octave bandwidth.
Frequency Controls
These four controls are provided for selection of the low, low-middle, upper-middle, and high
frequencies you may wish to boost or cut.
Boost/Cut Controls
Located beneath each Frequency Control, these controls will boost or cut the selected frequency
by +/-15 dB. They are flat at their 12 o‘clock position, and the control is detented so it is easy and
fast to set the individual EQ controls to flat.