The API Select T25 is a classic 2-channel, FET feedback-style compressor/limiter with a Class-A tube output stage that utilizes a custom API transformer. Built with 12AT7WC and 12BH7 dual-triode vacuum tube, the T25 represents a new direction in API's line of compressors. It offers the user a powerful and flexible feature set, including the ability for use in either dual mono or stereo mode, and is carefully engineered to deliver classic tube performance. The T25 excels at delivering the unmistakable sound of API and features our industry-exclusive Five Year Warranty.