![]() The third button bypasses the phase adjustment circuitry for when remiking or conventionally DI'ing, and the fourth provides a phase invert function. ![]() Line/Instrument switching is handled by the first button, while the second provides a ground lift. The front panel carries a row of six switches, plus a single rotary Phase Adjust control. A similar trim pot is used to adjust the reamped output level if required. It has a gain of up to 26dB (adjusted via a screwdriver trimmer on the rear panel) and a buffered output fed from before the phase shifter, enabling it to be used independently if required. The high-impedance instrument DI input is provided for use with instruments such as electric guitars. The rear panel houses the XLRs, plus two further jacks that provide a buffered version of the instrument output and an attenuated output (-14dB) for feeding back into a guitar amp for remiking. I would have preferred the ins and outs on balanced jacks for use with patchbays, but adaptor cables are fairly cheap. It has balanced line ins and outs on XLRs and a further high-impedance instrument jack on the front panel. Physically, the box is little larger than a regular active DI (four will fit into a 1U rack tray) and it is powered via an included adaptor. In fact the response of the IBP is flat to above 96kHz regardless of the phase alignment setting. ![]() It works using a pair of symmetrical all-pass filters, which are conceptually similar to EQ except that they affect only phase, not frequency response. ![]() The Little Labs IBP (the initials stand for 'in between phase') is the solution to a problem that many of you may not even realise you have! It is a simple-to-use analogue phase-shifter that can be used either to realign two sources that are shifted in phase, such as a DI and a mic feed from the same source, or the two mics in a close/distant dual-mic setup. ![]() This clever little box offers a solution, providing powerful phase-alignment facilities which go far beyond those of most mixers and preamps. Phase cancellation can play havoc with your sound if you're using multiple mics, or combining mic and DI signals. ![]()
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