Warm Audio WA-2A Optical Tube Limiter

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  • Model: WA2A
  • Manufactured by: Warm Audio
True to its inspiration; the WA-2A boasts an all tube, completely discrete signal path with through-hole component topology. It also features custom, large-core Cinemag input and output transformers, four premium vacuum tubes, and the legendary Kenetek opto-cell, considered by many to be the world’s finest.

No plug-in or other compressor type quite compares to the warm, forgiving, fluid qualities of this classic optical tube compressor. For decades, the renowned ‘2A type circuit has become the go-to device for seamlessly handling vocals, bass, and a wide variety of other instruments and program material in an effortlessly smooth way.

Releasing the WA-2A would be for nothing if we couldn’t make it affordable. Since the start of Warm Audio we have strived to give an unprecedented value to our customers, by putting high end audio within the reach of more people than ever before. This philosophy drives everything we do, and every product we offer. That’s why the WA-2A's street price will be just $899 USD.
Welcome to the future of vintage!

LA2A Style, Transformer balanced, high voltage, opto (Light controlled) tube compressor
Fully discrete signal path
Utilizes custom USA made CineMag input and output transformers
Utilizes USA made Kenetek opto attenuator. Socketed to allow for retro-fitting with other opto-cells
Premium Tung-Sol and Electro-Harmonix tubes. 2x 12ax7, 1x 12bh7, 1x 6aq5 (or 6p1 - interchangeable)
Variable Pre-emphasis, allows for compression hipass filtering
Stereo-link capability
XLR and TRS balanced line level inputs - 600 ohms impedance
XLR and TRS balanced line level outputs - 600 ohms impedance
Frequency Response +/- 1 dB, 15 Hz to 20kHz
Gain 40 dB +/- 1dB
Input Level +16 dB maximum
Output Level +10 dB nominal, +16 dB maximum
Distortion Less than 0.1% THD at +/- 10 dBm
Noise = -74dB
Attack Time - 10 milliseconds
Release Time - 0:06 seconds for 50% release; 0.5 to 5 seconds for complete release
Meter shows both dB gain reduction and dB output
Power - 115/230 volts (switchable), 50/60 Hz
Dimensions - 19in Rackmount chassis, 2U. 19in x 7in x 3.5in
Weight - 12 lbs