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MA Series Power Amplifiers
Operation Manual
Crown amplifiers are quality units that rarely
require servicing. Before returning your unit for
servicing, please contact Crown Factory Ser-
vice to verify the need for servicing.
This unit has very sophisticated circuitry which
should only be serviced by a fully trained tech-
nician. This is one reason why each unit bears
the following label:
CAUTION: To prevent electric shock, do
not remove covers. No user serviceable
parts inside. Refer servicing to a quali-
fied technician.
10.1 Worldwide Service
Service may be obtained from an authorized
service center. (Contact your local Crown/
Amcron representative or our office for a list of
authorized service centers.) To obtain service,
simply present the bill of sale as proof of pur-
chase along with the defective unit to an autho-
rized service center. They will handle the
necessary paperwork and repair.
Remember to transport your unit in the original
factory pack.
10.2 US and Canada Service
Service may be obtained in one of two ways:
from an authorized service center or from the
factory. You may choose either. It is important
that you have your copy of the bill of sale as
your proof of purchase.
10.2.1 Service at a US or Canada
Service Center
This method usually saves the most time and
effort. Simply present your bill of sale along
with the defective unit to an authorized service
center to obtain service. They will handle the
necessary paperwork and repair. Remember to
transport the unit in the original factory pack. A
list of authorized service centers in your area
can be obtained from Crown Factory Service or
the Crown website at www.crownaudio.com.
10.2.2 Factory Service
To obtain factory service, fill out the service
information page found in the back of this man-
ual and send it along with your proof of pur-
chase and the defective unit to the Crown
factory.
For warranty service, we will pay for ground
shipping both ways in the United States. Con-
tact Crown Factory Service to obtain prepaid
shipping labels prior to sending the unit. Or, if
you prefer, you may prepay the cost of ship-
ping, and Crown will reimburse you. Send cop-
ies of the shipping receipts to Crown Factory
Service to receive reimbursement.
Your repaired unit will be returned via UPS
ground. Please contact us if other arrange-
ments are required.
10.2.3 Factory Service Shipping
Instructions:
1. Before sending a Crown product to the
factory for service, first call Crown Factory
Service for a return authorization (RA)
number.
2. Be sure to fill out the service information
form that follows and enclose it with your
shipment, either inside the box or in a
packing slip envelope securely attached to
the outside of the shipping carton. Do not
send the service information form sepa-
rately.
3. To ensure the safe transportation of your
unit to the factory, ship it in an original
factory packing container. If you don’t have
the original carton, you may obtain a prod-
uct service foam-in-place shipping pack
from the Crown Factory Service Depart-
ment at the number listed below. For non-
warranty service, you may also provide
your own shipping pack. Minimum recom-
mended requirements for materials are as
follows: 275 P.S.I. burst test Double-Wall
carton that allows for 2-inch solid Styro-
foam on all six sides of unit or 3 inches of
plastic bubble wrap on all six sides of unit;
securely seal the package with an adequate
carton sealing tape. Do not use light boxes
or “peanuts.” Damage caused by poor
packing cannot be covered under warranty.
4. Do not ship the unit in any kind of cabinet
(wood or metal). Ignoring this warning
may result in extensive damage to the unit
and the cabinet. Accessories are not
needed—do not send the product docu-
mentation, cables and other hardware.
If you have any questions, please call or write
Crown Factory Service.
Crown Factory Service
1718 W. Mishawaka Rd.,
Elkhart, Indiana 46517 U.S.A.
Telephone: 574-294-8200
800-342-6939 (North America,
Puerto Rico, and Virgin Islands only)
Facsimile:
574-294-8301 (Technical Support)
574-294-8124 (Factory Service)
Internet:
http://www.crownaudio.com
10 Service