Warm Audio TB12-500 Pre-Amp Specifications

  • Utilizes 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.  These are socketed/swappable with your choice of 2520 6 pin footprint opamps.

  • Impedance switch labeled 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.

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