Warm Audio WA-412 4-channel microphone preamplifier

Warm Audio WA-412 4-channel microphone preamplifier
Product no: 9000-0031-3090 Bax Music Warranty: This product comes with a 5 year warranty when you register it with warmaudio.com/product-registration. If the product is not registered it has a 3-year warranty.

General

The WA-412 4-channel microphone preamp + instrument DI by Warm Audio puts the unmistakable audio characteristics of typical American consoles into a device that's the size of a single rack unit. The WA-412 is made from the very best components, boasts sublime audio quality, and you can switch opamps for even more sound variety.

Only the best components

You'll find all the features you'd expect in a top-quality preamp and more in the WA-412, such as Output Trim, which can be found on each of the four channels to adjust the gain stage with precision. There's also a Tone control to make the sound warm and punchy or open and transparent. Each channel is equipped with a discrete 6-pin opamp. Opamps are known for their enormous headroom and low distortion, which is exactly why they're found on the best consoles on the market.

Specifications

Product features

Sustainable product	not specified
Number of channels	4
Phantom power	yes
Digital output	no
Analogue audio output type	balanced line out (TRS jack), balanced line out (XLR)
Analogue audio input type	balanced line in (TRS jack), microphone input (XLR), Hi-Z instrument input (TS jack)
Headphone output	no
Connection sockets	none
Equipped with tube	no
Energy source	AC
Phase reverse	yes
Built-in equaliser	no
Built-in limiter	no
Built-in compressor	no
19-inch rack size	1U

Weight and dimensions including packaging

Weight (incl. packaging)	7,3 kg
Dimensions (incl. packaging)	68,0 x 53,5 x 15,0 cm

Product specifications

4-channel microphone preamp + instrument DI
fully discrete components
handmade first-class input and output transformers (Atran, USA)
X520 discrete opamp in each channel and interchangeable
65dB gain
microphone input: XLR and active instrument inputs (2 mOhm HI-Z)
tone control: input impedance switches between 600 and 150 ohms (changes the sound of the mic and the HI-Z inputs)
-20dB pad for mic and instrument DI inputs
self-noise: < -90 dB (nominal)
frequency response:
- 20 Hz - 20 kHz <+/- 0.25 dB (tone control off)
- 20 Hz - 20 kHz +/-2 dB (tone control on)
+48V dB phantom power
LED signal meters
output trim control for precision settings, gain level and sound adjustment
internal power output: grounded, 3-pin IEC cable

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Florent S. June 24, 2020

Wrote the following about Warm Audio WA-412 4-channel microphone preamplifier

Rapport qualité / prix imbattable pour du API-like.

Son clair et incisif avec le bouton Tone OFF et rond et plein en ON. Moi qui était déjà convaincu par le sélecteur dimpédances de mon ISA, je suis conquis par celui de chez Warm.

Belle réserve de gain, vous pourrez driver un ruban sans problème.

Lentrée DI est top : pour basses et claviers, le bouton Tone engagé, je retrouve un punch et une constance que je navais pas retrouvé depuis un regretté module de chez Lawo.

Agréablement surpris également par les potards qui font très cheap en photo mais qui son en fait lourds et crantés, ce qui procure une agréable sensation de robustesse.

Avec le prix Bax et la livraison dès le lendemain au studio, comment ne pas mettre 5 étoiles ?

En attente désormais de voir ça sur le long terme.