Wow  !API's first tube mic preamp unit and they did it right !

The API Select T12 is a classic 2-channel, all-tube, Class-A microphone preamplifier designed with API's proprietary AP2516 transformer in the input stage and a custom API transformer on the output stage. Built with 12AT7WC and 12BH7 dual-triode vacuum tubes, the T12 represents a new and exciting variation in API's preamplifier technology and provides the user with unique tonal options. The T12 can handle a wide range of production applications including stereo operation. Carefully engineered to deliver classic tube performance and sound, the T12 delivers API's famous warmth, punch and clarity in an all-new way and features our industry-exclusive Five Year Warranty.

• All-tube, Class-A microphone preamplifier
• Proprietary AP2516 input transformer
• Audio circuit uses 12AT7WC and 12BH7, dual-triode vacuum tubes
• Custom API output transformer
• Variable microphone input impedance
• Switchable 48-volt phantom power
• High-impedance, unbalanced 1/4" instrument input
• MIC/HI-Z input switch
• -20dB input pad
• 11-step detented preamp gain control
• Low-cut filter with 3 fixed frequencies
• 11-step detented output trim with 0.5dB steps for precise control
• Detented controls for accurate recall and channel matching
• LED peak indicator
• Classic analog VU meters for output
• XLR and 1/4" TRS output connections