
Roger Mayer RM 68MP
The Roger Mayer 68MP 500-Series Module is a mic preamp that delivers a clean and bright sound with a full-sounding bottom end on sources such as kick drum and bass guitar. This great-sounding mic preamp is clean sounding and wouldn't be described as a "character" preamp as the other Roger Mayer devices are intended to cover that side of things later in the chain.
The 68MP captures a full range of signal that allows the user to capture as much detail as needed without conveying too much "mud" in the low-mid area. Using the 68MP's simple but useful 3-LED meter system you can quickly identify the sensible operating levels of the unit. Alongside the meter section is a polarity inverter, -20dB pad, a high-pass filter that is set at 12dB/octave slope at 120Hz and a toggle to enable the instrument input.
Like all of Roger's 500 series modules, the 68MP runs on internal 48v rails, stepped up from the standard 32v 500-series supply for greater headroom. Unusually for a modern design, 48V phantom power is always available; there’s no on/off switch. By using an input transformer rather than the [electronically balanced] op‑amp approach, the 68MP can safely provide phantom power without the engineer having to engage it; it’s how all of his console designs operated 'back in the day' at Olympic and Electric Lady studios, and he considers it to be perfectly safe.

Roger Mayer RM 68MP
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