Warm Audio WA-2A Opto Compressor

The Warm Audio WA-2A Opto Compressor brings smooth, rich compression straight from the golden age of recording. Known for its warm, natural tone, this unit makes vocals, guitars, and bass sound polished without feeling lifeless or over-processed. Its the kind of gear that makes your recordings sound like they were done in a high-end studioeven if they werent.

Warm Audio WA-2A Opto Compressor Review

Built as a faithful recreation of one of the most famous compressors in music history, the Warm Audio WA-2A Opto Compressor combines classic tone with modern reliability. It uses top-shelf components like Cinemag transformers and premium vacuum tubes to deliver a lush, full sound with just the right amount of vintage character. Whether you’re running vocals, acoustic instruments, or bass through it, the WA-2A adds that buttery smooth compression engineers have loved for decades. The simple two-knob design makes it approachable for beginners but powerful enough for pros.

Warm Audio WA-2A Opto Compressor Features

• Adds warmth and smoothness to vocals, guitars, and bass
• Easy-to-use controls with just two main knobs
• Gives your recordings a classic, studio-polished sound
• Can work on one track or link with another WA-2A for stereo use
• Hand-tested in Texas to make sure each unit sounds great
• Uses real vacuum tubes for an old-school tone you can hear

Warm Audio WA-2A Opto Compressor Specs

• 2U 19-inch rackmount chassis, about 7 inches deep
• Works with 115V or 230V power, switchable for worldwide use
• Fitted with premium Cinemag transformers and Kenetek T4-style opto cell
• Tube configuration includes two 12AX7s, one 12BH7, and one 6AQ5 or 6P1
• Gain and compression both offer up to 40 dB of control
• Frequency response from 15 Hz to 20 kHz, with less than 0.1% distortion