301 & 601 Mic/Line Mixers Operation Manual Biamp Systems | 9300 S.W. Gemini Drive | Beaverton, OR | 97008 | USA | +1.503.641.7287 | www.biamp.
301 & 601 TABLE OF CONTENTS Introduction pg. 1 Front Panel pg. 2 Rear Panel pg. 3 Remote Control pg. 4 Specifications & Block Diagram pg. 5 Warranty pg.
01 & 601 INTRODUCTION The 301 & 601 are single rack space, three input & six input mic/line mixers. Each input channel uses a differentially balanced, discrete transistor mic/line preamplifier for low noise and low distortion performance. Inputs are provided to accept signals from microphones and/or line level devices. Special features, including limiters and remote level control, make the 301 & 601 extremely versatile.
FRONT PANEL Trim: These screwdriver adjustable controls provide 40dB of gain adjustment to compensate for different input signal levels. For best performance, adjust Trim so the +10 Indicator flashes only on occasional peaks in signal level (see +10 Indicator below). +10 Indicator (Peak): These red LEDs indicate signal level in the channel has reached +10dB (8dB below clipping). For best performance, adjust Trim so the Peak Indicator flashes only on occasional peaks in signal level (see Pad on next page).
REAR PANEL DC Power Supply: The included power supply module provides 24 Volt DC power to the mixer. It is connected to the DC Power Jack on the rear side of the mixer. To ensure compatibility, only use a Biamp Systems’ supplied power supply. Main Out: These three terminals provide the electronically balanced Main Out from the mixer, wired with high to (+), low to (-), and ground to (d). For unbalanced output, connect high to (+) and ground to (d), leaving low (-) unconnected.
REMOTE CONTROL Remote Control: When using a slide potentiometer as a remote control, wire with High (T) to the voltage terminal (‘V’), Wiper (W) to the control terminal ("C"), and Low (B) to the ground terminal (‘d’). When using a rotary potentiometer, wire with High (CW) to the voltage terminal ("V"), Wiper (W) to the control terminal ("C"), and Low (CCW) to the ground terminal ("d").
SPECIFICATIONS & BLOCK DIAGRAM 5
WARRANTY BIAMP SYSTEMS IS PLEASED TO EXTEND THE FOLLOWING 5-YEAR LIMITED WARRANTY TO THE ORIGINAL PURCHASER OF THE PROFESSIONAL SOUND EQUIPMENT DESCRIBED IN THIS MANUAL 1. BIAMP Systems warrants to the original purchaser of new products that the product will be free from defects in material and workmanship for a period of 5 YEARS from the date of purchase from an authorized BIAMP Systems dealer, subject to the terms and conditions set forth below. 2.
DoC MLM201003 EC Declaration of Conformity Biamp Systems Corporation, as manufacturer having sole responsibility, hereby declares that the following described product complies with the applicable provisions of the DIRECTIVES below except as noted herein. Any alterations to the product not agreed upon and directed by Biamp Systems Corporation will invalidate this declaration.
