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The King Tone is a passive DI box with a whole lot of mojo. It was designed specifically for use with Keyboards, but sounds remarkable on bass as well.
Features a vintage UTC transformer, and a very simple eq circuit which uses a NOS PiO cap from the 50's. The eq can be bypassed, but when engaged it allows the user to reduce the highs of the signal. As the knob is turned, the frequency is lowered while the amount of cut is increased. Basically, at its minimum setting the eq slightly reduces the high frequencies, but when turned all the way up the eq will only allow sub bass to pass.
The box also features an impedance switch, which changes the character and volume output of the box depending on the preamp and instrument you're using, as well as the EQ settings on the box. The tranny switch can be rather useful.
Finally, the box has an output switch to choose either 1/4" unbalanced or XLR balanced. The standard "Thru" found on most DI boxes, was omitted from this design by request of the client it was built for (would have cost slightly more).
