Injecting legendary tube warmth from one of the most formative eras of music history, the WA-2MPX from Warm Audio is an authentic 2-channel reproduction of the preamp used in the AMPEX 351 tape machine, a history changing microphone pre used by such famed artists as Les Paul, Elvis Presley, Nat King Cole, Roy Orbison, and more. Sporting three warm vacuum tubes per channel (two 12AX7 tubes and one 12AU7), the WA-2MPX delivers up to 90 dB of exceptionally clean gain, including a further 20 dB high-gain boost for low-output sources, and exudes vintage style with its brushed aluminum faceplate and Bakelite-style knobs.
The WA-2MPX features plenty of control over your input, including high- and low-pass filters on each channel, polarity selection, switchable +48V phantom power per channel, tone control for changing impedance and applying color, and selectable tape saturation to add harmonic distortion and natural compression to your signals. The custom-wound large-core CineMag transformer provides reliable performance and helps to deliver the vintage-inflected tone sought by so many modern artists, from Mark Ronson and John Mayer, to St. Vincent and Amy Winehouse.
Old School is Now in Session
Injecting legendary tube warmth from one of the most formative eras of music history, the WA-2MPX from Warm Audio is an authentic 2-channel reproduction of the preamp used in the AMPEX 351 tape machine, a history changing microphone pre used by such famed artists as Les Paul, Elvis Presley, Nat King Cole, Roy Orbison, and more. Sporting three warm vacuum tubes per channel (two 12AX7 tubes and one 12AU7), the WA-2MPX delivers up to 90 dB of exceptionally clean gain, including a further 20 dB high-gain boost for low-output sources, and exudes vintage style with its brushed aluminum faceplate and Bakelite-style knobs.
The WA-2MPX features plenty of control over your input, including high- and low-pass filters on each channel, polarity selection, switchable +48V phantom power per channel, tone control for changing impedance and applying color, and selectable tape saturation to add harmonic distortion and natural compression to your signals. The custom-wound large-core CineMag transformer provides reliable performance and helps to deliver the vintage-inflected tone sought by so many modern artists, from Mark Ronson and John Mayer, to St. Vincent and Amy Winehouse.
Legendary History
Better Than a Plug-In
Control Your Tone
Favored by Artist New and Old
This classic circuit design has driven countless hit-making records from the 50s to the modern era. Steve Albini, a known 351 fan, acquired several 351s in 1996 for use in his world famous Electrical Audio recording studio, and many more modern producers and recording artists have used this equipment to achieve an iconic sound that only a true tube preamp can achieve.
Original AMPEX 351 Artists:
- Les Paul
- Elvis Presley
- Bing Crosby
- Nat King Cole
- Roy Orbison
This sound is also chased by modern artists such as:
- Jack White
- Black Keys
- Amy Winehouse
- Mark Ronson / Bruno Mars
- John Mayer
- The 1975
- St. Vincent
- Arctic Monkeys
Warm Audio TUBE MIC PREAMP Specs
Inputs / Outputs
| Audio I/O | 2 x XLR 3-Pin Mic Input (1 Stereo Pair) 2 x 1/4" TRS Line Input (1 Stereo Pair) 2 x 1/4" TS Hi-Z/Instrument Input (1 Stereo Pair) 2 x XLR 3-Pin Line Output (1 Stereo Pair) 2 x 1/4" TRS Line Output (1 Stereo Pair) |
Power
| Power Source | AC Input (Built-In) |
Environmental
| Certifications | CE, WEEE *as per Manufacturer |
Physical
| Mounting | Front: 4 x Standard Rackmount Hole |
| Color | Silver |
| Material of Construction | Steel, Aluminum |
Packaging Info
| Package Weight | 15.245 lb |
| Box Dimensions (LxWxH) | 24.4 x 13.6 x 5.5" |
In the Box
- Warm Audio WA-2MPX Stereo Microphone Tube Preamplifier
- 2-Year Manufacturer Warranty
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