Bartolini's most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is w...Click To Read More About This Product
Independent wide-range bass, mid and bright treble control with adjustable gain.
Bartolini's most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost/cut range. The voice is clear, transparent and strong with ultra-low distortion. Bartolini re-packed the parts of the NTMB/918F and NTMB3 2-part preamp system into a single module to make the NTMB+F. The circuitry and parts are identical. So, not only does the NTMB+F take less space, but it also requires fewer wires, has even better noise rejection and is easier to install.
The NTMB+F features a pre-wired adjustable gain trimmer which allows you to boost the input signal up to 12dB (4X) to match the output of several instruments or tune the output to drive your level-sensitive effects. Like all of Bartolini preamps, the NTMB+F is internally shielded to reject electromagnetic noise and includes internal filters to block AM and FM radio on the input. Bartolini set the standard of fully sealing the sensitive electronics. They use professional double tin-plated pure copper wire with durable semi-rigid insulation. This ensures the 5” pre-stripped wires don’t flop around in the cavity and the wires don’t cut through the insulation over time.
Installation is straightforward by connecting the EQ band wires to your 50KΩ linear potentiometers along with volume control, battery connection and output jack. Or you can use one of their pre-wired harnesses to make your upgrade even easier. The preamp can be used with either a single 9-volt battery (9-volt operation) or two 9-volt batteries wired in series (18-volt operation) for 6dB extra headroom with no tonal change.
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