Manual

Features of the Model 581:
• Fully balanced transformer mic input which can be
upgraded to a vintage Carnhill® unit;
• Transformer balanced output;
• 300 Ohms or 1.2K Ohms mic input impedance selectable on
the front panel;
• 48VDC phantom power selector on the front panel;
• 12 position Grayhill® gold contact rotary gain switch for
Mic gain section;
• LED illuminated push buttons for visual confirmation
• Output level control functions as a fader when going straight
to D.A.W. or tape;
• API® 500 series compliant card;
• One-year warranty