Suncoast Analog warrants its products to be free of defects in material and workmanship for the period of one year from the date of original purchase. Vacuum tubes are warranted for 90 days from the date of purchase. This warranty is only applicable to the original retail purchaser. During the warranty period Suncoast Analog shall, at its sole discretion, either repair or replace, free of charge, any product that it deems to be defective upon inspection by Suncoast Analog or its authorized service representative. To obtain warranty service, the purchaser must first obtain a Return Authorization Number from our service department and shipping address where to return the unit for service. All authorized returns must be sent to our service department postage prepaid, insured for full replacement value, properly packaged and accompanied with a description of the problem. Suncoast Analog reserves the right to update any unit returned for repair and the right to change or improve the design of the product at any time without prior notice. This warranty does not cover claims for damage due to abuse, neglect, alteration or attempted repair by unauthorized personnel, and is limited to failures arising during normal use that are due to defects in material or workmanship in the product only. Any warranties, including implied warranties of merchantability and fitness for a particular purpose, are limited in duration to the length of this original warranty. In no event will Suncoast Analog be liable for incidental or consequential damages resulting from the breach of any express or implied warranty including damage to property, damage based on inconvenience or loss of use of the product, and personal injury to the extent permitted by law. This warranty gives you specific legal rights, which may vary from state to state. This warranty applies only to products sold in the United States of America. For warranty information in all other countries please refer to your local distributor.