Studio EQ Massive Sound White 4000 Equalizer 2 Available Price is for 1

White 4000 Series 27-band EQ

White Instruments Series 4000 is a vintage, high-end 1/3 octave pro audio graphic equalizer originally designed in the 1970s for premium live sound reinforcement and studio room tuning. Celebrated for their precision and ultra-transparent, uncolored signal path, these units feature a robust inductor-based or gyrator-based passive filter design combined with active makeup circuitry to guarantee high linearity and low noise floor. [1, 2, 3, 4]Key Specifications & Architecture

• Frequency Bands: Features 27 1/3-octave bands centered on standard ISO frequencies, typically running from 40 Hz through 16 kHz. [1]
• Filter Design: Utilizes precision inductors sealed in magnetically shielded enclosures to eliminate hum and interference. [1]
• Control Behavior: Features proportional-Q ("Equal Q") continuous rotary knobs rather than sliders, providing ±10 dB of boost or cut with smoother summation curves between adjacent bands. [1, 2]
• High-Pass Filter: Includes a variable high-pass filter adjustable from 20 Hz to 160 Hz (12 dB/octave slope). [1]
• Build Quality: Built with sealed Mil-Spec potentiometers and a fully modular design featuring field-replaceable integrated circuits
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