Mercury M72s/1 MKIV is a single-channel tube microphone preamplifier built around the Telefunken/Siemens V72s module circuit — the amplifiers that stood in German broadcast houses and recording studios through the fifties and sixties. Mercury rebuilds that topology and adds what the original never had: DI, pad and phantom power.
Character you cannot add with a plugin
The V72 is not transparent and was never meant to be. Tube gain through a transformer gives a dense midrange and a soft rounding of peaks — the layer people later try to recreate with saturation, usually without success. On vocals and on snare you hear it from the first take, because it happens while tracking rather than afterwards.
One path, for the take that actually matters
In most sessions one track is critical: the lead vocal. The rest can go through the interface preamps and nobody will notice. The single-channel version puts the tube stage exactly where it makes a difference, instead of spreading the budget across eight channels recording backing parts.
KEY FEATURES
- One channel of tube microphone preamplification
- Circuit based on Telefunken/Siemens V72s modules
- Instrument DI input
- Pad for working with loud sources
- Phantom power for condenser microphones
- Designed and built by Mercury Recording Equipment
TECHNICAL SPECIFICATIONS
- Type: tube microphone preamplifier
- Channels: 1
- Reference circuit: Telefunken/Siemens V72s
- Inputs: microphone and instrument DI
- Functions: pad, phantom power
- Revision: MKIV
