Audio output and power transformers include a six-month non transferable limited warranty, you must be the original owner/purchaser. Printed circuit boards, wiring, tubes, tube sockets, capacitors, resistors and diodes are not covered under any warranty, however all functionality is confirmed during assembly, testing and the 24hr break-in, before the unit ships. Shipping and labor costs to repair or replace items which are covered under warranty is the responsibility of the buyer.

Warranty Authorization Policy: You will need to obtain a Warranty Authorization number before sending anything for warranty services. Contact us with your name and address, a description of the problem, the date of sale, the invoice number, and the serial number if applicable.

Shipping for Warranty Service: Remove and package the tubes adequately for shipping along with the properly and securely boxed amplifier or preamplifier. Shipping and labor costs to repair or replace items which are covered under warranty is the responsibility of the buyer. The risks associated with shipping include loss and damage and are the responsibility of the owner/purchaser. Insured shipping is recommended.

Inspection and Evaluation: Upon receipt, we will evaluate the warranty claim and will contact you via email or phone with the results. Signs of abuse, misuse or neglect, alterations, modifications or non authorized repairs void the warranty.