If you need service or have warranty questions in the USA Marshall is now using US Music Corp. Their contact information is below.
U.S MUSIC CORP
Address
444 E. COURTLAND STREET
MUNDELEIN
IL 60060
Phone
877 459 0170
Fax
847 388 4745
Sales
marshall.sales@marshallamps.us
Service
marshall.service@marshallamps.us