▶ Dual 31-band electronic graphic equalizer

(with voltage limit and Class III Dolby noise reduction)

▶ The GEQ-312E is an equalizer that adds compression limiting and
    Class III Dolby noise reduction to the 1231. The introduction of
    Class III Dolby noise reduction is conducive to further reducing the
    system

▶ Makes the system appear very quiet. The compression limiting
    function is produced using the best voltage limiting ICs available
    (THAT2181 and THAT2522).

▶ The dynamic range is greater than 120dB and the distortion is less
    than 0.0025%, which is completely comparable to professional-
    grade compression limiters.

▶ Input impedance : balanced 40KΩ, unbalanced 20KΩ

▶ Output impedance : balanced 200Ω, unbalanced 100Ω

▶ Maximum input level : >+21dBu, balanced or unbalanced

▶ Bandwidth width : 20HZ-20KHZ (+0.5dB/-1dB)

▶ Dynamic range : 109dB 115dB

▶ Signal-to-noise ratio : 95dB to 100dB

▶ Total harmonic distortion : <0.005%

▶ Channel isolation : >90dB

▶ Power supply : 220V 24W