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Like a piece of fine furniture, the Momentum preamp has a fine, highly polished finish that can
be easily damaged. Do not rub or polish the finish, and do not allow objects to come in contact
with it. To clean the preamp, spray a small amount of distilled water onto the supplied microfiber
cloth and gently wipe the preamp's surface along the direction of the metal grain, with light
pressure only. never use a circular motion or heavy pressure, as this can permanently scratch
the machined surfaces. Do not rub the surface with the cloth, and do not spray any liquid directly
onto the preamp.
if dust or other contaminants or objects collect around the vents at the top and bottom of the
preamp, remove small objects by hand and use a shop vacuum or hand vacuum to remove the
dust. Use a brush attachment on the vacuum to avoid scratching the preamp's surface.

troUBleshootING

Preamp will not power up
if the front meter is not illuminated, follow the procedure outlined below. if one step succeeds
in activating the power, stop there and ignore the other steps.
1.
if the LeD in the middle of the Standby button on the front of the preamp is lit, push
the button to turn the preamp on.
2.
if the LeD in the middle of the Standby button is not lit, check to make sure the AC
cord is plugged into the wall outlet.
3.
Check at the back of the power supply to make sure the 15-amp ieC connector is
pushed all the way into the jack on the back of the power supply.
4.
Check to make sure the power supply connector cable is firmly connected to the power
supply and the preamp.
5.
Check to see if the fuse is blown. if so, the conductor inside the fuse will be severed
and you may see burn marks on the fuse. The fuse holder is located at the back of the
power supply. To remove and replace the fuse, the fuse can be accessed by carefully
inserting a small screwdriver into the notches of the fuse holder and releasing the
latching tabs. The fuse must be replaced with an identical type and rating. The fuse is
20 mm, 1 amp slow-blow. Consult your dealer or D'Agostino LLC.
6.
Check your household electrical box to make sure the circuit breaker has not been
tripped. if it has, flip the breaker back on.
7.
if the breaker trips again, check the speaker cable connection on your amplifier and the
speaker to make sure that the terminals are not shorted, and check the entire length of the
cable to ensure there has been no damage to it.
8.
if all of these steps fail to return power to the preamp, consult your dealer for service.