Capture an array of sources effortlessly with the TB12 Tone Beast Black from Warm Audio. This fully professional preamp is designed with full options and tones: top-notch CineMag transformers, multiple discrete signal paths, and user-swappable opamps. Color your signal with 2 opamps and 2 output transformers able to take on their own unique character when one drives the pre into harmonic distortion to add a totally different component to your sound. You can even customize Tone Beast Black with your own opamps. Take maximum control, the output control on the TB12 allows you to limit the signal exiting the preamp even when pushing on high level gain. Transform your sound and tone with the TB12 Tone Beast Black.FeaturesTransformer selection provides both Steel and 50% Nickel CineMag output transformers for varying characterTransformer bypass switch allows for removal of the output transformer from the circuitDiscrete Opamp selection allows for choosing between a 1731(vintage) and 918(cleaner) style opamp (socketed/swappable with your choice of 2520 6 pin footprint opamps)Impedance switch labeled TONE to switch between 150 and 600 ohms input impedance2 Meg Ohm True HI-Z input on front panel sends instrument signal through entire circuit including both Cinemag Transformers and the discrete opamps. Great for guitars, bass, keyboards and other instruments that have a 1/4″ output jackOutput attenuation allows for saturation flexibility of both opamps and transformersCapacitor selection between Tantalum and Electrolytic for different charactersSpecificationsPOWER and CONTROL:71db of gain80hz hipass filterPolarity Reverse20db PadPremium grade CineMag USA Transformers+48V phantom powerSwitchable 115/230 volt IEC power inletCapacitor selection: Tantalum and ElectrolyticCONNECTIVITY:¼" insert for the use of inline compressors, eq's etcBalanced XLR mic (front and back), balanced TRS line, and ¼" UNBALANCED instrument inputsBalanced XLR and TRS outputsSwitchable 115/230 volt IEC power inletINTERFACE:LED VU Meter19" rackmountable Warm Audio TB12-Black Tone Beast Toneshaping Discrete Mic Preamplifier with User Swappable Opamps for Customization.