12• All inquiries must be accompanied by a description of theproblem. Jet City Amplification will then issue a ReturnAuthorization Number (RA Number).• Once the RA Number has been obtained, the product mustbe returned in its original shipping carton. The returnAuthorization Number must be printed clearly on theshipping label on the outside of the box, and included withthe returned product. Both the product in its originalpackage and the Return Authorization Number must beshipped to the address indicated by Jet City Amplification atthe time the call is made.• Shipments without prepaid freight will not be accepted.4 Warranty Regulation / Exclusions• Warranty services will not be furnished if the product is notreturned with the original sales receipt.• Tubes and loudspeaker drivers are considered maintenanceitems and are excluded from all warranty claims.• If the product needs to be modified or adapted in order tocomply with technical or safety standards on a national orlocal level, in any country which is not the country for whichthe product was not originally developed and manufactured,this modification/adaptation shall not be considered a defectin materials or workmanship. This warranty does not coverany such modification/adaptation, irrespective of whether itwas executed properly or not. Under the terms of thiswarranty Jet City Amplification shall not be held responsiblefor any cost resulting from such a modification/adaptation.• Free inspections and maintenance/ repair work are expresslyexcluded from this warranty, in particular, if caused byimproper handling of the product by the user. This applies todefects caused by normal wear and tear of items such asknobs, tolex and similar parts.• Damages caused by the following conditions are not coveredby warranty:JJEETT CCIITTYY AAMMPPLLIIFFIICCAATTIIOONNJJCCAA55221122RRCCOOWWNNEERR’’SS MMAANNUUAALL