The TF-1 Filter Booster is a versatile electrical instrument preamplifier that allows for frequency selective level boost in various filter shapes. Six frequency center points covering the whole range of an electric guitar, bass or similar instruments are available for a boost of up to 18dB, with the amount of boost being continously adjustable.
The shape of the filter curve can be either low shelf, bell or high shelf, with the possibility of blending between the three configurations.
The unit may be powered from a single 9V battery or a 7-18V DC external power supply.
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