Experience stunning musical accuracy with the TRUE BLUE 520 Precision Mic Preamp. Built in collaboration with True Systems, this next-generation microphone preamplifier and instrument DI features an updated True Systems preamp core – a design trusted for over two decades in studio, live sound, post-production and educational environments – delivering ultra-high-resolution musicality with condenser, dynamic, ribbon and self-powered tube microphones.

A unique illuminated Cloud Touch Control user interface (patent pending) replaces conventional pushbuttons and toggle switches. Microprocessor-controlled, high-reliability telecom relays handle all signal and function switching for significantly shorter signal paths and reduced EMI sensitivity, while the illuminated controls make preamp status visible from a distance or in low-light environments. A Blink-Delay feature protects against accidental activation of phantom power and high-gain modes.

Housed in the industry-standard API 500 series module format, the TRUE BLUE 520 delivers up to +76dB of total available gain via a continuous detented gain control with dual gain ranges. FET-based DI IN and THRU jacks act as a signal split for simple system integration – route your instrument to the preamp core while passing the signal through to an amp, additional DI or another 500 series module. The continuously variable high-pass filter offers precise low-frequency attenuation from 25Hz to 420Hz, ideal for taming proximity effect and low-mid buildup, with response extending down to 6Hz when disengaged.

With fully balanced topology, rail-to-rail circuit design for maximum headroom, 0.1% precision resistors and 4-level signal metering, the TRUE BLUE 520 is engineered for stunning accuracy, long-term reliability and outstanding value.

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