This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful The information contained in the manual is subject to change without notice. The most current version of this manual will be posted on our web site at 11. Although no damage is likely to result to either CD player or preamplifier, the sound will be badly distorted and the volume may be much louder than you 26. Troubleshooting. 28. Specifications minutes of no user control input or audio signal passing button to shift channel balance to the left. Page 1 Owner' s Manual Nº380S Preamplifier Madrigal Audio Laboratories Page 2 WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THISThere are no user serviceable parts inside the Nº31.5. Only qualified, authorized service personnel may open the Nº31.5 Reference CD Transport, as hazardous. If you damage or misplace the antenna, replace it with. Mark Levinson/HARMAN part number 480-18521. A NOTE ABOUT WIFI AND BLUETOOTH. CONNECTIVITY. Installation