APART REVAMP2250 Manuale utente
REVAMP2250
Instruction manual
Instruction manualREVAMP2250
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REVAMP2250 Manual
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DIGITAL POWER AMPLIFIER
Safety first!
• Caution! This professional device needs to be installed by
qualified personnel only.
• Please check the carton box for any kind of damage on
reception of the goods. In case of a damaged carton, please
contact your dealer before opening the carton.
• !!!! Danger !!!! Exposure to high sound levels may cause a
permanent hearing loss. Individuals vary considerably to sound
pressure level induced hearing loss but nearly everyone will
lose some hearing if exposed to high sound pressure levels for
a sufficient amount of time. Therefore it is recommended that
all persons exposed to equipment capable of producing high
sound pressure levels, such as this amplifier, be protected by
hearing protection while installing or operating this unit.
• Read all documentation before operating your equipment.
• Keep all documentation for future reference.
• Save the carton and packing material even if the equipment has
arrived in good condition.
• Should you ever need to ship the unit, use only the original
factory packing.
• Do not spill water or other liquids into or on the unit.
• Make sure power outlets conform to the power requirements
listed on the back of the unit.
• Do not use the unit if the electrical power cord is frayed or
broken.
• Always operate the unit with the AC ground wire connected to
the electrical system ground.
Instruction manualREVAMP2250
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• Set level controls on amplifiers all the way down during power-
up to prevent speaker damage if there are high signal levels at
the inputs.
• Do not connect the inputs / outputs of amplifiers or consoles
to any other voltage source, such as a battery, mains source, or
power supply, regardless of whether the amplifier or console is
turned on or off.
• Power down & disconnect units from mains voltage before
making connections.
• Do not use the unit near stoves, heat registers, radiators, or
other heat producing devices.
• Do not operate equipment on a surface or in an environment
which may distort the normal flow of air around the unit. If the
unit is used in an extremely dusty or smoky environment, the
unit should be periodically “blown free” of dust.
• Do not remove the cover. Removing the cover will expose you
to potentially dangerous volt ages.
• Do not drive the inputs with a signal level higher than that
required to drive equipment to full output.
• Do not run the output of any amplifier back into another input.
• In case of mal-function this device should be serviced by
qualified service personnel only.
• This unit has NOT been designed for use in mobile applications,
such as: mobile discobars, mobile PA systems, Live bands, audio
rental systems, …
CAUTION
TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER OR BACK
NO USER-SERVICEABLE PARTS INSIDE
SERVICING ONLY FOR QUALIFIED PERSONNEL
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DIGITAL POWER AMPLIFIER
Features
• 1 rack unit high
• High power Hypex® class-D power amplifier modules
• Bridgeable 2 channel amplifier
• Dynamic output power: 2x350W @ 4Ω
• Sine wave power per channel: 2x250W @ 4Ω (500 msec)
• Dynamic bridged output power: 700W @ 8Ω
• Bridged Sine wave output power: 500 W @ 8Ω (500 msec)
• High thermal efficiency
• Highest possible damping factor
• Soft start switching power supply unit
• No cooling fan
• Low power consumption
• Integrated Analog Devices® digital signal processor (DSP) with
easy one button operation: simply push the button to select an
operating mode, making this amplifier the ideal multi purpose
tool for your applications
• LF filter for increased stability when using 100 volt transformers
on the output, allowing you to use 100 volt speakers as top
speakers combined with a standard low impedance subwoofer
for example
• Integrated APC limiter/compressor
• Balanced euroblock inputs
Instruction manualREVAMP2250
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• Unbalanced inputs on RCA with pass through
• Input level attenuators on all inputs
• 4-pole Speakon® speaker output connectors
• Euroblock speaker output connectors
• Extended speaker and amp protection circuits: DC protect, over
current protect, over temperature protect, input overload
• Individual channel mute buttons and versatile LED status
indicators
• This unit has NOT been designed for use in mobile applications,
such as: mobile discobars, mobile PA systems, live bands, audio
rental systems, …
• Removable rack-ears
Note: the integrated APC limiter will automatically limit the
incoming audio signal to avoid overloads. This feature can not be
defeated and acts as a lifesaver for your valuable speakers.
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DIGITAL POWER AMPLIFIER
1. Channel 2 overload led: when this led lights up, you are
overloading the input. Lower the input signal immediately to
prevent the amplifier from shutting down.
2. Channel 1 overload led: when this led lights up, you are
overloading the input. Lower the input signal immediately to
prevent the amplifier from shutting down.
3. Channel 2 input gain setting. Adjust the input gain to the
output level of your source. Make sure to avoid the clip led
lighting up at the strongest input peak level.
4. Channel 1 input gain setting. Adjust the input gain to the
output level of your source. Make sure to avoid the clip led
lighting up at the strongest input peak level.
5. DSP selector switch with led indicators: push the button to
scroll between the various pre-programmed DSP settings.
There are 6 possible DSP settings and 2 available combinations.
The settings will be memorized and recalled when the unit is
Connections
Instruction manualREVAMP2250
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powered up. Full details of the available settings can be found
below.
6. Channel 2 speaker output on 2 pole euroblock connector.
7. Channel 1 speaker output on 2 pole euroblock connector.
8. Channel 2 speaker output on speakon connector. Pin 1+ =
speaker 2 +, pin 1- = speaker 2 -.
9. Channel 1 and 2 stereo speaker output on speakon connector.
Pin 1+ = speaker 1 +, pin 1- = speaker 1 -; Pin 2+ = speaker 2+,
pin 2- = speaker 2-. In bridge mode, pin 1 + = speaker +, pin
2+ = speaker-.
10. Channel 2 unbalanced input and link cinch connector: connect
the line level input signal for channel 2 here. Line level is 0 dBV.
Input and link connector are internally connected 1 on 1.
11. Channel 1 unbalanced input and link cinch connector: connect
the line level input signal for channel 1 here. Line level is 0 dBV.
Input and link connector are internally connected 1 on 1. This
connector is also used in bridge mode or when DSP mode CH1
SUB – CH2 TOP is selected.
12. Channel 2 balanced input on 3 pole euroblock connector.
13. Channel 1 balanced input on 3 pole euroblock connector. This
connector is used in bridge mode or when DSP mode CH1 SUB
– CH2 TOP is selected.
14. Mains inlet: connect the mains power cord here.
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DIGITAL POWER AMPLIFIER
Operation
1. Removable rack ears for 19” rack mounting.
2. Power switch: after switching on the power, the power led will
light up after approx 1 second. The limit-muted leds will light
up for a few seconds to avoid excessive power on pop noise.
3. Power led
4. Channel 1 status led bar and mute switch: when the mute
switch is pressed, the orange “LIMIT – MUTED” led will light
up. This led will also light up when the internal limiter is
activated to avoid the amplifier from being overloaded by high
input signals. The “CLIP – OVERLOAD” led indicates that the
power amplifier is clipping: reduce the input signal at once
whenever this occurs !!! The green “SIGNAL - -40dB” led
will light up when an input signal is present. The red “INPUT
– OVERLOAD” indicates that the input is being overloaded.
Reduce the incoming signal at once !!!
5. Channel 2 status led bar and mute switch: when the mute
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