Check the listing for details. Phoenix Audio Ascent One EQ Microphone Preamp & EQ. Condition: Very Good - Refurbished. Listed at 1277.00 USD. Next-gen Class A Mic Preamp/DI/EQ The Phoenix Audio Ascent One EQ is a single-channel mic preamp/DI/EQ that takes a decidedly modern approach to Class A circuit design to serve up a broad tonal palette while retaining its vintage vibe. The 4-band Gyrator EQ circuit, designed to emulate the active inductor equalizer circuitry used in legendary vintage large-format recording consoles, is ideal for a range of tasks that include high-headroom mix buss tone shaping, deep frequency sculpting, and creamy Class A saturation. Featuring an electronically balanced, transformerless input circuit and discrete, transformer-balanced output stage, the Ascent One EQ's superior sonics, operational ease, versatility, and tonal dexterity have made it a favorite at Sweetwater — and it's no mystery why.