Preamps, Preamps & Channel Strips, Pro Audio, Studio & Recording

Warm Audio TB12 Tone Beast Microphone Preamp – Black

$649.99

Warm Audio TB12 Tone Beast – A Wildly Versatile Preamp

The Warm Audio TB12 Tone Beast is a powerhouse mic preamp that delivers high-end studio sound with unparalleled tonal flexibility. Inspired by the legendary API 312 design and featuring premium CineMag transformers, this discrete, high-voltage preamp brings out the best in any microphone. What sets the Tone Beast apart is its multiple discrete signal paths, allowing you to swap transformers, op-amps, and capacitors with the flip of a switch, unlocking a massive range of tonal possibilities. Whether you want clean, transparent sound or rich harmonic saturation, the TB12 Tone Beast has you covered.

Key Features for Ultimate Studio Flexibility

API 312-Inspired Design – Built for big, bold, professional sound.
Selectable Signal Paths – Swap between transformers, op-amps, and capacitors for unique sonic textures.
CineMag Transformers – Delivers warm, punchy low end and silky high frequencies.
Harmonic Distortion Control – Push the preamp for gritty, rich saturation on guitars, bass, and vocals.
High-Voltage Discrete Circuitry – Maximizes headroom and prevents unwanted distortion.
Works with Any Microphone – Handles condenser, dynamic, and ribbon mics with ease.

Perfect for Any Recording Setup

✅ Studio-Grade Vocal Preamp – Provides warmth, clarity, and depth for professional-quality recordings.
✅ Ideal for Electric Guitars & Bass – Enhances tone with natural saturation and harmonic richness.
✅ Great for Mixing & Mastering – Use it to shape tracks and add analog character.

If you’re looking for a studio preamp that gives you complete control over your tone, the Warm Audio TB12 Tone Beast is a must-have. With its versatile tonal shaping, rich harmonic saturation, and premium components, this preamp punches far above its price range.

Unleash the beast in your studio with the Warm Audio TB12 today!

Availability: In stock

Categories: Preamps, Preamps & Channel Strips, Pro Audio, Studio & Recording Brand: Warm Audio

Multiple discrete signal paths provide unprecedented flexibility

Experienced recording engineers love how different mic preamps color their sound. They know that by combining different mics with different preamps, they can make every source sound its absolute best. With the TB12 Tone Beast in your rack, you’ll be able to do the same, thanks to its unprecedented versatility. The Tone Beast’s flexibility is staggering. First, you can choose a Melcor 1731 or Jensen 918 op-amp. The 1731 is very colored and breaks up quickly, while the 918 is fairly clean with just a hint of character. Second, you can choose a 100% steel or 50% nickel transformer. The steel output transformer is more colored than the nickel transformer, especially when pushed. You can also bypass the transformers completely for an ultra-clean tone. Finally, you can choose tantalum and electrolytic capacitors for even more tonal variety.

Coloration — and why you want it

The most coveted vintage consoles and outboard gear weren’t transparent. And that’s the point behind the Warm Audio Tone Beast. Coloration is, in many cases, desirable. If your mixes sound unprofessional and lacking in vibrancy and depth, you’ll love the Tone Beast. Subjective listening tests played a big part in the development of this amazing preamp. Test equipment can tell you only so much, and there’s a point in the design process where you just have to let your ears call the shots. You wouldn’t mix with earplugs and an oscilloscope, would you?

Top-tier performance and amazing value

At Sweetwater, we understand that outfitting your studio is a balancing act between performance and value. Warm Audio gets that, too, and the Tone Beast delivers on both counts. Warm Audio gear is made in the USA and uses only the finest components, such as genuine CineMag input and output transformers. Look at it this way: at this price, you can pack your rack with two or more Tone Beast preamps — perfect for recording live drums or more than one track at a time.
Warm Audio TB12 Tone Beast Features:
- Discrete 312 preamp design with CineMag transformers delivers stellar tone
- Choice of Melcor or Jensen op-amps for varying character
- Op-amps are socketed/swappable — add your own op-amps to the mix!
- Choice of steel or nickel output transformers for more tonal options
- Choice of tantalum or electrolytic capacitors for even more character variation
- Transformer bypass switch provides an ultra-clean character
- Tone switch allows for variable mic impedance
- 80Hz highpass filter cuts the mud and rumble
- 20dB pad tames really loud sources
- Output attenuation for saturation flexibility of both op-amps and transformers
- Insert allows the use of in-line processors
- LED VU meter lets you monitor your levels