Radio Design Labs ST-EQ3 3 Band Audio Equalizer USEd

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Brand New - Normally Sells for around $100 Each3-Band Audio Equalization Custom Tailored Audio Bandwidth Adjust To Pass Voice-Band Audio Adjust To Produce Smile-Curve for Music Low Noise and Low Distortion Equalization APPLICATION: The ST-EQ3 features a balanced bridging input, which may be connected unbalanced if desired. The output driver is 150 Ω balanced, and is intended to drive unbalanced or balanced lines of 150 Ω or higher impedance. Equalization is accomplished by three active circuits, each controlling a separate audio band. These bands were carefully selected to yield a module that works effectively in a wide variety of systems. Setup of the ST-EQ3 is assisted by a peak overload LED which indicates excessive pre or post EQ levels.Typical Performance: Input:100 kΩ balanced or unbalanced bridging; line-levelGain:OFF to unity (adjustable, +/- EQ adjustment)THD+N:< 0.030%; 0.010% typical (1 kHz flat response)CMRR:> 60 dB (100 Hz)Frequency Response:Into 600 Ω:20 Hz to 22 kHz (EQ set flat; +/- 0.5 dB)Into bridging load:10 Hz to 22 kHz (EQ set flat; +/- 0.5 dB)Noise:< -80 dB (below +4 dBu)Center Frequencies:LOW Band: 80 HzMID Band: 1 kHzHIGH Band: 30 kHzBandwidth at 3dB EQ:LOW Band: 20 Hz to 300 HzMID Band: 200 Hz to 7 kHzHIGH Band: 3 kHz to 30 kHzPower Requirement:GROUND-REFERENCED, 24 to 33 Vdc @ 25 mA The free listing tool. read more

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