ADA MP-1 Owner’s manual
8.0 RETURNING UNITS FOR SERVICE
If your unit requires service, please do the following:
1. Call our Customer Service Department toll-free at (800)241-8888 in CA (415)632-
1323for a Return Authorization (RA) number.
2. Pack unit in its original carton with packing materials and include a note explaining
the problem, your name, address, day-time phone number, and date and place of
purchase.
3. Write the RA number on the outside of the shipping container.
4. Ship via UPS. Federal Express, or U.S. Postal Service. You pay the freight. We
recommend you insure the unit.
5. If the unit is under warranty, ADA will perform the servicing and pay the return
shipping charges to you. If your Warranty Card was returned, there is a record of your
purchase on file at ADA. Otherwise, send a copy of your original purchase invoice for
proof of warranty coverage.
6. If the unit is not under warranty, ADA will bill you for the servicing and return shipping
charges. We require payment in advance or cash on delivery (COD) for these
charges.
9.0 WARRANTY
The MP-1 (excluding tubes) is warranted against defects in material and workmanship for a
period of three hundred and sixty-five (365) days from date of purchase. Original factory
installed tubes are warranted against defects in material and workmanship for a period of
ninety (90) days from the date of purchase. ADA will replace defective parts and make
necessary repairs at no charge if factory inspection reveals faulty workmanship or material.
Neither MP-1 nor tube warranties cover damage due to misuse, accident or neglect. ADA
retains the exclusive right to make such determination on the basis of factory inspection.
Products returned to the factory must first receive authorization from ADA and must be
shipped prepaid. The “return authorization number” must be printed on the outside of the
container or shipment will not be accepted by ADA. This warranty remains valid only if
repairs are performed by ADA, and provided that the serial number on the unit has not been
defaced for removed. This warranty is expressly in lieu of all other warranties either
expressed or implied.
9.1 OPTIONAL EXTENDED WARRANTY
An optional three year warranty is available on the MP-1 if the extended warranty protection
policy is purchased within the first 90 days of purchase. The policy covenants and restrictions
are the same as on our standard one year warranty. only the term is increased an additional
three years after the original factory warranty expires. Enclosed is an application for the
extended warranty protection policy.
9.2 TUBE REPLACEMENT
Your factory installed 12AX7 tubes should last approximately two years. Since these are not
power tubes, the lifespan is probably longer than you expect. When tube replacement
becomes necessary. we recommend that you use only ADA factory-tested replacement
tubes for the cleanest and quietest performance possible. These can be obtained from ADA
or an authorized ADA dealer. For more information, call ADA Customer Service.
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