Warm Audio TB12-WARM
Tone Shaping Discreet Mic Preamp


Our Price: $599.00
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Warm Audio's TB12 customizable mic preamp is designed for those who want to remove stock opamps and replace them with their own, while capturing an array of sources well. The ToneBeast includes 2 opamps – one vintage 1731, one cleaner 918 style – and these are socketed and swappable with a choice of 2,520 6-pin footprint opamps. The unit also has 2 Cinemag transformers with multiple discrete signal paths for a bold sound, and the character of these appears when one drives the pre into harmonic distortion. The output control allows users to limit the signal exiting the preamp even when pushing the gain to high levels.

Warm Audio TB12 Specifications:

  • Discrete 312 preamp design with coupled CineMagTransformers
  • 71db of gain
  • Transformer selection provides both Steel and 50%Nickel CineMag output transformers for varying character
  • Transformer bypass switch allows for removal of theoutput transformer from the circuit
  • Discrete Opamp selection provides both the classic 1731(vintage) and 918 (cleaner) style opamps. 
    • These are socketed/swappable with your choice of 2,520 6 pin footprint opamps.
  • Impedance switch labeled TONE to switch between 150 and600 ohms input impedance
  • Capacitor selection between Tantalum and Electrolyticfor different characters
  • 80hz hipass filter
  • Polarity Reverse
  • +48V phantom power
  • Output attenuation allowing for saturation flexibilityof both the opamps and transformers
  • ¼" insert for the use of inline compressors, EQ's, etc.
  • Balanced XLR mic (front and back), balanced TRS line,and ¼" instrument inputs
  • Balanced XLR and TRS outputs
  • -20db Pad
  • LED VU Meter
  • 19" rackmountable
  • External line-lump 24V AC power transformer for low noise
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