The Logical Bass Pre-Amp is designed to provide a great tone shaping experience for your bass guitar. It features a 3-band EQ and 20dB of boost, allowing you to shape your sound to your liking. One of the key features of this preamp is the onboard charge pump, which provides ample headroom from a standard 9V power supply. This ensures that you have enough power to drive your bass signal without any loss in quality.Additionally, there are two toggle switches on the preamp. One switch allows you to adjust the mid-range frequencies, giving you further control over your tone. The other switch adjusts the input impedance to accommodate both passive and active instruments. This flexibility ensures that you can use the preamp with a wide range of bass guitars.It’s worth noting that due to the positioning of the switches, they cannot be secured to the enclosure with nuts. However, the board-mounted pots will hold everything securely in place, eliminating the need for nuts. If you prefer to have nuts securing the switches, you have the option to wire the AC/PAS switch offboard, allowing space for nuts to be used.Overall, the Logical Bass Pre-Amp offers a simple yet effective solution for shaping your bass tone, with the added convenience of a charge pump and optional offboard wiring for the switches.

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