The TB12 Tone Beast stands as a testament to professional-grade microphone preamplification without the premium price tag that typically accompanies such quality. This high-voltage mic pre features top-notch CineMag transformers and multiple discrete signal paths, creating a big, bold sound that effortlessly captures an array of sources. Built with Warm Audio’s own reproduction of the legendary 2520-style discrete opamp found in classic American consoles, the TB12 offers both home-based musicians and professional studios access to truly professional gear.
What sets the Tone Beast apart is its love for being pushed hard – this pre truly shines when driven into harmonic distortion territory. The unit features two opamps and two output transformers that can be switched at will, and while the differences may seem subtle initially, their unique character becomes apparent as you drive the pre into saturation. The customisable nature allows for easy opamp swapping, giving users the flexibility to tailor their sound further.
The real magic happens right at the saturation point, where the TB12 delivers its best tones just before clipping occurs. The output control provides maximum flexibility by allowing you to limit the signal exiting the preamp even when pushing gain to extreme levels. These subtle component differences, while not immediately obvious, can make a significant impact on your final mix – particularly when the unit is driven hard enough to add that pleasing grit to electric guitars, bass, or any source that benefits from some harmonic colouration.
- Utilises premium grade cinemag USA transformers
- 71db of gain
- Transformer selection provides both steel and 50% nickel cinemag output transformers for varying character
- Transformer bypass switch allows for removal of the output transformer from the circuit
- Discrete opamp selection allows for choosing between a 1731(Vintage) And 918(Cleaner) Style Opamp
- Opamps are socketed/swappable with your choice of 2520 6 pin footprint opamps
- Impedance switch labelled tone to switch between 150 and 600 ohms input impedance
- Changes the tone of all inputs (Mic, line and HI-z.)
- 2 meg ohm true HI-z input on front panel sends instrument signal through entire circuit including both cinemag transformers and the discrete operational amplifier
- Great for guitars, bass, keyboards and other instruments that have a 1/4″ output jack
- Capacitor selection between tantalum and electrolytic for different characters
- 80hz hipass filter
- Polarity reverse
- +48v phantom power
- Output attenuation allowing for saturation flexibility of both the opamps and transformers
- ¼" insert for the use of inline compressors, eq's etc.
- Balanced xlr mic, balanced trs line, and ¼" instrument inputs
- -20db pad
- Led VU meter
- Compatible with standard 500 series racks



