The MO2020 Provides A Sine and Square Wave Output On Two 1/4" Jacks. The Frequency Range Is Variable From 20Hz to 24kHz, It Accepts A 1.2 To 5 Volt DC Input On A 1/4" Jack For External Frequency Control, and A 10 dB Output Pad Is Included To Provide A-10 dB Reference Signal. Other Optional Frequencies Are Made Available - Contact The Factory.
<br />The 351 is a single-channel, 31-band, 1/3-octave graphic equalizer with many features: constant Q circuitry with a 3% center frequency accuracy, 20mm center detent sliders, selectable boost/cut range of 6dB or 12dB, active balanced and unbalanced input and output connections, adjustable high-pass filter, adjustable low-pass filter, variable input level control, clip level indicators, ground lift switch, internal power supply, and selectable line voltage switch. Rugged, all-steel chassis. Single rackspace.<br />