Sansui Reverberation Equalizer The RG-707 is a versatile equalizer and mixer for instrumentalists and budding recording engineers. 7-band equalizer for sources. Dual 5-band equalizers for mikes/instruments. Electronic BBD reverb with pulsating display. Specification Input Sensitivity: 150mV Output Level: 150mV Frequency response: 20Hz to 20kHz Signal to Noise Ratio: 70dB Total harmonic distortion: 0.05% Channel separation: 50dB Control Range: ± 12dB Frequency BandsK, 2.5K, 6.3K, 16KHz Dimensions: 430 x 78 x 223mm Weight: 2.8kg Finish: black Year: 1983