APART REVAMP2120T User manual
REVAMP2120T
Instruction manual
Instruction manualREVAMP2120T 3
REVAMP2120T manual
4DIGITAL 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.
Instruction manualREVAMP2120T 5
• 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.
• 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.
6DIGITAL POWER AMPLIFIER
CAUTION
TO REDUCE THE RISK OF ELECTRIC SHOCK
DO NOT REMOVE COVER OR BACK
NO USER-SERVICEABLE PARTS INSIDE
SERVICING ONLY FOR QUALIFIED PERSONNEL
• 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, …
Instruction manualREVAMP2120T 7
Features
• 1 rack unit high
• High power class-D power amplifier module
• Toroidal 100 V output transformers
• Bridgeable 2 channel amplifier
• Output power: 2 x 120 W @ 100 V or 70 V
• Bridged output power: 1 x 240 W @ 100 V or 70 V
• Dynamic output power: 2 x 120 W @ 4 Ω
• RMS power per channel: 2 x 120 W @ 4 Ω (500 ms)
• Dynamic bridged output power: 240 W @ 8 Ω
• Bridged RMS output power: 240 W @ 8 Ω (500 ms)
• Each output can be used in either LowZ or constant voltage
mode without changing settings.
• High thermal efficiency
• Signal clip indicators on the rear for fast and easy configuration
of the input gain.
• Universal switching power supply unit
• No cooling fan – maintenance free
• Low power consumption
• Integrated APC clip limiter
• Balanced euroblock inputs
• Unbalanced inputs on RCA with pass through
• Input level attenuators on all inputs
• Switchable high pass filter on each input
• Euroblock speaker output connectors with multiple taps:
35 volt, 50 volt, 70 volt, 100 volt and 4 ohm
• Extended speaker and amp protection circuits: over current
protect, over temperature protect, input overload
• Individual channel mute buttons and versatile LED status
indicators
• Removable rack-ears
Note: the integrated APC clip limiter cannot be bypassed.
8DIGITAL POWER AMPLIFIER
1. Channel 2 overload led: when this led lights up, you are
overloading the input. Lower the input level immediately to
prevent distortion.
2. Channel 1 overload led: when this led lights up, you are
overloading the input. Lower the input level immediately to
prevent distortion.
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. Bridge/2 channel mode selector: push the selector switch to
enable bridge mode operation. The yellow led underneath the
1
8
9
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2 75
13
Connections
11
6
1210
Instruction manualREVAMP2120T 9
switch lights up when bridge mode has been activated. Always
disconnect the speaker(s) before (de-)activating bridge mode !
In bridge mode, the input signal from channel 1 is used.
For use with low impedance speakers, the minimum load
impedance in bridge mode is 8 ohms: connect – to CH2 -> 4
ohms, connect + to CH1 -> 4 ohms.
6. Channel 2 speaker output on 6 pole euroblock connector.
7. Channel 1 speaker output on 6 pole euroblock connector.
8. 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.
9. 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.
10. Channel 2 balanced input on 3 pole euroblock connector.
11. Channel 1 balanced input on 3 pole euroblock connector: this
connector is used in bridge mode.
12. HPF on/off dipswitch for channels 1 and 2: set to on position to
enable the 250Hz highpass filter (ideal for using 100 volt horn
speakers)
13. Mains inlet: connect the mains power cord here.
10 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.
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.
1 12 3 4
6
5
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