One year limited warranty for the product designated to be free of manufacturing defects in electronic parts and workmanship, subject to the conditions hereinafter set forth, for a period of one year from the date of original purchase from our authorized dealers or retailer. The vacuum tubes are not covered by this warranty, except for following models: SL-2000A, SL-2000, MC-7P, and DV-6C. We do not honor warranties to those who did not purchase products from our authorized dealers or retailers. The warranty is void if one of following occurs:
1) The bottom seal of the product is broken/removed or serial number has been modified/removed.
2) Any damage caused by accident, unreasonable use/neglect or shipping and handling, or by using wrong type/defective tubes.
3) Any damage to or deterioration of any accessory resulting from not following instructions as written in the owner's manual.
4) Shipping date of retuned item is not within one year from the date of purchase.
5) Failure to present proof of original purchase from our authorized dealers or retailers.
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