API 525A

The API 525A is a 500-series, vintage-style, discrete compressor featuring API’s proprietary transformers, 2510 and 2520 opamps, offering an expanded feature set, renowned reliability, long life, and the signature sonic characteristics of the original 525, making it ideal for modern studio applications.

The Legacy of the API 525

The API 525A builds on the legacy of the classic 525 Discrete Compressor, which has been a trusted choice in the industry since the early 1970s. The new 525A stays true to the original’s discrete audio path while introducing enhancements that cater to the evolving needs of today's audio professionals.

Advanced Features

The 525A incorporates API’s unique 2510 and 2520 opamps and transformers, which ensure superior sound quality and consistency. The expanded feature set offers more versatility for various studio tasks, while maintaining the reliability and durability that API products are known for.

Modern Studio Integration

While preserving the classic sonic warmth and character of the original, the API 525A’s modernised features and sturdy construction make it suitable for a wide range of audio processing needs in professional studio environments. Its enhanced design guarantees seamless integration into contemporary workflows.

• NEW – Variable Attack adjustable from 15 microseconds to 15 milliseconds
• NEW – 7 selectable Release Modes (.05 to 2.0 Seconds)
• Unique Ceiling Control simultaneously combines Threshold and Make-up Gain
• Classic 1970s style analog gain reduction VU meter
• Traditional API discrete audio path circuit design
• Equipped with 2520 and 2510 opamps
• Proprietary API output transformer
• Balanced Input/Output
• Hardware Bypass