Opto-3A

Opto-3A is a high-quality optical compressor from Apogee Electronics Corp. that provides smooth and transparent compression for audio signals. Its optical design allows it to deliver a warm, natural sound that is suitable for a wide range of applications such as vocals, drums, guitars, and more.

The Opto-3A utilizes a class A JFET amplifier and an optical attenuator for gain reduction, which ensures that the audio signal remains clean and clear while compressed. It also features a fixed 2:1 compression ratio with adjustable threshold and makeup gain controls that make it easy to dial in the desired amount of compression.

This compressor also includes a side chain input that allows users to apply compression triggered by an external source. Additionally, its link feature enables users to connect multiple units together for stereo operation.

The Opto-3A comes in a compact design that makes it easy to integrate into any studio setup. Whether you're a professional audio engineer or a home studio enthusiast, the Opto-3A is sure to deliver excellent performance and exceptional sound quality for all of your audio needs.