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Headphone Jack
The headphone jack on the front panel accepts a 1/8" (3.5 mm) plug. The high current
headphone circuit will easily drive headphones with an impedance of 8 Ω or higher. The
output to the speakers is muted when you plug headphones into the Zamp v.2.
Maintaining Your Parasound Amplifier
Your Parasound Zamp v.2 power amplifier requires no periodic maintenance except an
occasional flattering remark. It has no user-serviceable parts inside. To avoid the risk of
electric shock, do not remove the top cover. The amplifier's exterior can easily be cleaned
with a soft cloth pre-moistened only with a few drops of water or glass cleaner.
Main Power Fuse
There is an external fuse mounted on the rear panel. This fuse protects the unit from
possible damage to internal parts.
Never replace this fuse with a higher value than originally installed. Substitution of a
larger fuse may seriously damage internal parts and will void your warranty.
In Case of Trouble
If you suspect a problem with your Zamp v.2, first turn the unit off and check all your
connections. Another component or even a defective hookup cable may be causing the
trouble. If you hear hum, turn off the amplifier and disconnect the inputs to it. If the hum
is gone when you turn the amplifier back on, it was probably caused by your preamplifier,
system controller, or other source component connected to it.
Also, make sure that the AC cords of all components are connected to the same AC
outlet. In rack mounted systems, ground loops and hum will often develop via ground
loops caused by redundant grounding of the metal rack rails of the equipment rack. This
problem is usually solved with front and back nylon insulating shoulder washers (refer to
the Rack Mounting section in this owner's manual).
If All Else Fails
Call your Parasound dealer or Parasound Technical Service Department. We can usually
suggest other diagnostic tests you can easily perform. Should we determine that your
Zamp needs further inspection or service, Parasound can recommend the location of a
warranty center near you or shipping instructions for return to Parasound Technical
Services.