Manley Laboratories , founded in the late 1980s, is known for high-fidelity vacuum tube amplifiers and pro audio equipment. EveAnna Manley, who joined in 1989, rose to lead the company after David Manley's departure in 1996. Notable products include the Stereo Variable Mu Limiter-Compressor, VOXBOX Channel Strip, and Massive Passive EQ. Manley continues to innovate in analog audio equipment, upholding its tradition of handcrafted, high-quality American manufacturing.