To learn more about the WA-MPX & WA-2MPX visit: https://warmaudio.com/wa-mpx/
Join Warm Audio Founder, Bryce Young, for a deep dive into the history, components, & inspiration behind our latest tube microphone preamp.
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The WA-MPX is an authentic reproduction of THE vintage tape machine tube preamp that started the birth of rock ‘n’ roll known for pure analog warmth, delivering an impressive 300v of raw power & 90dB of tube gain.
During the golden era of tape recording, the original 351-style tube preamp became the king of studio tech and signature sound in the signal chain of hit recordings for artists including Elvis Presley, Bing Crosby, Les Paul, Nat King Cole, and Roy Orbison and for producers like Steve Albini – a timeless sound that continues to be pursued by elite audio engineers today.
With premium components, true-to-original circuit design, and selectable tape saturation, the WA-MPX authentically reproduces all the analog tone of the original to bring vintage warmth & color to your sound.
The WA-MPX preamps are hand-wired with 100% discrete electronics. Each channel boasts three tubes that, with the high-gain switch engaged, bring the WA-MPX up to an incredible 90dB of gain. Each channel has custom-wound, large-core CineMag transformers on the inputs and outputs – bringing each preamp circuit to 300v.
WA-MPX pres are housed in steel chassis with a brushed aluminum faceplate, vintage-style bakelite knobs, and amber-tinted VU meters. All of these key components paired with traditional build technique deliver not only a legendary “tape-era” tube pre but one of the best values in an all-tube microphone preamp on the market today.
Following the Warm Formula of true-to-original tone driven by premium components, all WA-MPX are carefully hand-inspected & tested at Warm Audio Headquarters in Austin, Texas.
Technical Specifications (Per Channel):
– Authentic Reproduction Of The Most Revered Tape-Era Tube Preamp
– Fully Discrete, Hand-Built Construction With 3 Tubes Per Channel For Ultimate Analog Tone
-Selectable Tape Saturation Adds Harmonic Distortion & Natural Compression
– 90dB Of Analog Tube Gain Per Channel
– Custom-Wound, Large-Core CineMag USA Transformers
– Mic Input: 600Ω Transformer (6000Ω Rated)
– Mic Input With “Tone” Engaged: 150Ω Transformer (1500Ω Rated)
– Premium (2X) 12AX7 & (1X) 12AU7 Vacuum Tubes
– 600Ω Output Attenuator
– Engage High Gain Control For An Added 20db (From 70db To 90db) Of – – – Clean Gain For Low-Output Mics And Low-Volume Sources
– 48v Phantom Power & Polarity Switch
– Classic Warm Audio Tone Control That Alters The Input Transformer Impedance Adding Extra Analog Color
– 80Hz High-Pass Filter To Control Unruly Bass Frequencies
– 2kHz Low-Pass Filter To Focus Preamp Power & 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, & Vintage Bakelite-Style Knobs
– Internal IEC 115v/230v Power Inlet
