The Vintech Audio 473 features four 1073 style microphone preamplifiers with "essential eq" on every channel. With the essential high and low shelving EQ adjustments. The 473 frequency choices are 3.2k and 12k for the highs and 60hz and 220hz on the low shelving but can be special ...The Vintech Audio 473 features four 1073 style microphone preamplifiers with "essential eq" on every channel.
With the essential high and low shelving EQ adjustments. The 473 frequency choices are 3.2k and 12k for the highs and 60hz and 220hz on the low shelving but can be special ordered at other practical frequencies. Each channel also offers an input sensitivity adjustment allowing up to 70db of gain, an input impedance switch, a mic-line switch, an instrument input and switches for phantom power, phase reverse and eq on or off.