Warm Audio WA-MPX
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Warm Audio WA-MPX

Single channel replica of the iconic preamp on the AMPEX 351 Tape machine, which was instrumental in the development of rock 'n' roll and radio-ready classics.

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CAP2: 0 £899.00 £749.17 ex VAT

AVAILABLE TO ORDER

Sold out but more on the way. Contact us for accurate delivery time and our best price.

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WHY CHOOSE TO BUY FROM KMR AUDIO?

  • 22+ Years Industry Experience
  • Rated “Excellent” By Our Customers
  • Lifetime Tech Support, Always Free
  • Easy 14 Day Returns

The Warm Audio WA-MPX is an exact replica of the iconic preamp on the AMPEX 351 Tape machine, which was instrumental in the development of rock 'n' roll and radio-ready classics.

The Warm Audio WA-MPX is a single-channel mic preamp with a true-to-original circuit design that provides a precise replication of the original's analogue tone to add vintage warmth and colour to your sound.

During the golden age of tape recording, the original Ampex 351 became a fixture of elite recording studios. This sort of vintage tube preamp established the trademark sound in the signal chain of hit records by Elvis Presley, Kurt Cobain, Les Paul, and Bing Crosby. It's a sound that musicians like The Arctic Monkeys and Mark Ronson are still pursuing today.

  • Hand-built construction with 3 tubes per channel for the ultimate analogue tone.
  • Selectable tape saturation adds harmonic distortion and natural compression.
  • 90dB of analogue tube gain per channel
  • Custom-wound, large-core CineMag USA transformers.
  • 48v phantom power & polarity switch.
  • Classic Warm Audio tone control that alters the input transformer impedance adding extra analogue colour.
  • 80Hz high-pass filter to control unruly bass frequencies.
  • 2kHz low-pass filter to focus pre-amp power and warmth on mids for added punch.
  • Inputs: XLR mic, TS instrument & TRS line.
  • Outputs: XLR / TRS line level
  • VU meter level indication
  • Frequency response: 20Hz-20kHz
  • Aluminum faceplate, steel chassis, and vintage Bakelite-style knobs
  • Internal IEC 115v/230v power inlet
DPD UPS
  • UK over £99 FREE
  • UK under £99 £10
  • EU £36
  • Rest of World £80

Large/Heavy items: Extra charges may apply (e.g., consoles, large monitors). We’ll contact you before processing if so.

We ship with DPD and UPS across the UK, EU and worldwide. Same-day within the M25 is available depending on stock.

This item, like everything we supply, comes with the complete support of our expert team. Our excellent technicians have been specifying, building and supporting studios for over twenty years. If you have any problems with installation, setup or everyday use, they’re never more than a click away, and always happy to help.

You can contact them here.

Warm Audio WA-MPX

Warm Audio WA-MPX

AVAILABLE TO ORDER

KEY BENEFITS

Authentic Vintage Sound

The Warm Audio WA-MPX precisely replicates the iconic AMPEX 351 preamp, delivering the authentic analog warmth and color that shaped classic rock 'n' roll and radio hits. Historic Tone Influence Capture the signature sounds that defined recordings by legends like Elvis Presley and Kurt Cobain, thanks to the exact reproduction of the vintage tube preamp used during the golden age of tape recording. Contemporary Relevance Despite its historical roots, the WA-MPX remains highly relevant, with modern artists like The Arctic Monkeys and Mark Ronson seeking its distinctive, vintage-inspired sound for their music.

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