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Designed in the spirit of the PREQ3, the PREQ4 carries forward the sonic philosophy that made Mäag Audio renowned: transparency, presence, and a sense of "air" in the high frequencies, while preserving the natural character of the microphone. Presented in the 500 Series format, it easily integrates into a modern rack or lunchbox setup, creating a high-end, portable, and immediately operational recording channel.
The Mäag Audio PREQ4 is aimed at sound engineers, demanding home studio users, and professional studios seeking a single-channel preamp capable of enhancing a vocal, adding definition to an acoustic guitar, improving clarity on overheads, or creating a sense of space on transient-rich sources. Its "musically transparent" approach is particularly suitable for productions where clarity and presence are desired without altering the microphone's signature or artificially boosting sibilance.
Thanks to its high headroom and essential controls (PAD, high-pass filter, phase), the PREQ4 performs well both in recording and reamping clean signals, or when capturing dynamic sources that require ample margin before saturation.
The PREQ4's signature is its AIR BAND: a plateau boost covering 2.5 kHz to 40 kHz via the VARI AIR. This approach adds air, brilliance, and a sense of depth while avoiding the "sharp EQ" effect that can be more cutting. On vocals, it helps bring out detail and proximity; on acoustic instruments, it reveals grain and breath; on ambient recordings, it enhances the sense of space.
With adjustable gain up to 65 dB, the PREQ4 covers a wide range of uses, from low-output microphones to more moderate sources. The -20 dB PAD allows handling stronger signals while maintaining comfortable headroom, and the design aims for low noise and accurate reproduction. For good studio practice, it is recommended to reduce gain completely before powering on, especially when changing configurations.
The 70 Hz high-pass filter helps clean up vibrations, foot noise, excessive proximity effect, or low-end hum, resulting in cleaner recordings from the start. Phase inversion facilitates alignment during multi-mic setups (snare top/bottom, guitar amp pair, overheads), and 48 V phantom power ensures compatibility with most condenser microphones.
