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API Select T25 Tube Compressor Used  From API

API Select Series 2-Channel, Tube Compressor


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API Audio


Retail:  $2,195.00

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Manufacturer's Description from API

The API Select T25 Tube Compressor


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. 



  • Field Effect Transistor (FET) based gain reduction circuit

  • Audio circuit uses 12AT7WC and 12BH7, dual-triode vacuum tubes

  • Custom proprietary API output transformer

  • 11-step attack time switch

  • 11-step release time switch

  • 4 fixed ratios

  • 31-step input/threshold control

  • 31-step output/make-up gain control

  • Detented controls for accurate recall

  • Patented THRUST® switch for frequency-dependent side chain control

  • D-S feature provides high-frequency dependent side-chain control for de-essing

  • Link Switch for stereo operation

  • 10-segment LED gain reduction meter

  • LED peak indicator

  • Classic analog VU meters for output

  • IN/OUT switch

  • Full hard-wired relay bypass

  • XLR and ¼” TRS input and output connections

API Audio

About Manufacturer

API (Automated Processes, Inc.) is world famous for its all-discrete audio products: studio and broadcast mixing consoles, and a full line of rack mount mic preamps, equalizers and processors. It all began with a dream. It was 1968. The company: Automated Processes Inc., formed by men with a vision. Best known for their now legendary "2520 amplifier", this unique amp has been and will continue to be the heart of all API discrete products. It continues to provide reliability and sonic purity unmatched by the competition. The resulting console met the needs of the music, commercial and broadcast industry. API became the leading audio broadcast console manufacturer for radio and television networks and high profile stations. In addition, recording studios, large and small, began using API.....and receiving rave reviews from engineers and producers. There are over 700 API consoles across the nation and around the world, including the three major networks. Over thirty years later, many of these consoles are still in daily use in some of the most prestigious recording and broadcast facilities in the world because, to date, there are few, if any consoles of equal sound quality at a cost-effective price.






T25 Tech Specs

User Manual

API T25 User Manual

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