APART REVAMP4240T Manuale utente

REVAMP4240T

Instruction manual

Instruction manualREVAMP4240T 3

REVAMP4240T Manual

4PROFESSIONAL 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 manualREVAMP4240T 5

• 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, …

• Before using the ampliﬁer for the ﬁrst time, check the

impedance of your 100 volt speaker lines using the Apart

IMPMET.

6PROFESSIONAL POWER AMPLIFIER

Features

• 2 rack units high

• High power Hypex® class-D power ampliﬁer modules

• Bridgeable 4 channel class-D ampliﬁer

• Output power: 4x220W@100V

• Bridged output power: 2x480W@100V

• High thermal efﬁciency

• Convectional cooling with temperature controlled cooling fan

(normally off)

• Integrated APC limiter

• Soft start switching power supply unit

• Toroidal 100 volt transformers

• Switching mode power supply

• Balanced euroblock inputs

• Unbalanced inputs on RCA with pass through

• Input level attenuators on all inputs

CAUTION

TO REDUCE THE RISK OF ELECTRIC SHOCK

DO NOT REMOVE COVER OR BACK

NO USER-SERVICEABLE PARTS INSIDE

SERVICING ONLY FOR QUALIFIED PERSONNEL

Instruction manualREVAMP4240T 7

• Euroblock speaker 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

• 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.

8PROFESSIONAL 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 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.

3. 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.

Connections

Only channel 1 and 2 are explained. Channel 3 and 4 are functionally

identical to 1 and 2.

2 6 8

3 9

3 7

10 11 12 13

Instruction manualREVAMP4240T 9

4. 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.

5. 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.

6. Channel 2 balanced input on 3 pole euroblock connector.

7. 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.

8. Channel 1 balanced input on 3 pole euroblock connector. This

connector is used in bridge mode.

9. 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)

10. Channel 2 output on euroblock: use the com (negative) in

combination with one of the output options: low impedance (4

ohms), 35 volt, 50 volt, 70 volt or 100 volt (positive). Never use

more than one output simultaneously.

11. Bridge button: set to 2 channel for normal operation. Set to

bridge mode for bridge mode operation.

12. Channel 1 output on euroblock: use the com (negative) in

combination with one of the output options: low impedance (4

ohms), 35 volt, 50 volt, 70 volt or 100 volt (positive). Never use

more than one output simultaneously.

13. Fan area: keep free from dust and obstructions.

10 PROFESSIONAL POWER AMPLIFIER

Operation

1. Removable rack ears for 19 rack mounting.

2. Power switch.

3. Power led.

4. Channel 1 and 2 mute buttons and multifunctional led display.

5. Channel 3 and 4 mute buttons and multifunctional led display.

14. Mains voltage inlet: connect the mains power cord here.

1 2 3 4 5 1

Indice

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