APART REVAMP8250 Manual de usuario

REVAMP8250

Instruction manual

Instruction manualREVAMP8250

REVAMP8250 manual

DIGITAL POWER AMPLIFIER

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions

2. Keep these instructions

3. Pay attention to all warnings

4. Follow all instructions

5. This professional device needs to be installed by qualiﬁed personnel only.

6. 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.

7. Make sure to only use power outlets conform to the power requirements

listed on the back of the unit.

8. 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.

9. Do not drive the inputs with a signal level higher than that required to

drive equipment to full output.

10. Do not run the output of any ampliﬁer back into another input.

11. This unit has NOT been designed for use in mobile applications, such

as: mobile discobars, mobile PA systems, Live bands, audio rental

systems,… Using it in such application will lead to product damages and

safety risks.

12. Do not use this apparatus near water

13. Clean only with dry cloth.

14. Do not block any ventilation openings. Install in accordance with the

manufacturer instructions.

Instruction manualREVAMP8250

15. Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including ampliﬁers) that produce heat.

16. Do not defeat the safety purpose of the polarized or grounding plug.

Always use the device with a grounded mains power plug. If the

provided plug does not ﬁt into your outlet, consult an electrician for

replacement of the obsolete outlet.

17. Protect the power cord from being walked on, pinched or damaged.

Particularly at the plugs, connectors and at the point where they exit

from the apparatus.

18. Only use attachments/accessories speciﬁed by the manufacturer.

19. Unplug the apparatus during lightning storms or when unused for long

periods of time.

20. Use only with the cart, stand, tripod, bracket, or table speciﬁed by the

manufacturer, or sold with the apparatus. When a cart or rack is used,

use caution when moving the cart/apparatus combination to avoid injury

from tip-over.

21. Refer all servicing to qualiﬁed personnel. Servicing is required when the

apparatus has been damaged in any way, such as power supply cord

or plug is damaged, liquid has been spilled or objects have fallen into

the apparatus has been exposed to rain or moisture, does not operate

normally, or has been dropped.

22. WARNING: To reduce the risk of ﬁre or electric shock, do not expose this

apparatus to rain or moisture. The apparatus shall not be exposed to

dripping or splashing and that objects ﬁlled with liquids, such as vases,

shall not be placed on apparatus.

23. WARNING: The mains plug/appliance coupler is used as disconnect

device, the disconnect device shall remain readily operable.

DIGITAL POWER AMPLIFIER

24. This lightning ﬂash with arrowhead symbol within an equilateral triangle

is intended to alert the user to the presence of non-insulated “dangerous

voltage” within the product’s enclosure that may be of sufﬁcient

magnitude to constitute a risk of electric shock.

- Warning: To reduce the risk of electric shock, do not remove cover (or

back) as there are no user-serviceable parts inside. Refer servicing to

qualiﬁed personnel.

- The exclamation point within an equilateral triangle is intended to

alert the user to the presence of important operating and maintenance

instructions in the literature accompanying the appliance.

25. Protective earthing terminal. The apparatus should be connected

to a mains socket outlet with a protective earthing connection.

26. Correct Disposal of this product. This marking indicates that this

product should not be disposed with other household wastes

throughout the EU. To prevent possible harm to the environment

or human health from uncontrolled waste disposal, recycle it responsibly

to promote the sustainable reuse of material resources. To return your

used device, please use the return and collection systems or contact the

retailer where the product was purchased. They can take this product for

environmental safe recycling.

27. No naked ﬂame sources, such as lighted candles, should be placed on

the apparatus.

28. Do not install this equipment in a conﬁned or building-in space such

as a book case or similar unit, and remain a well ventilation conditions

at open site. The ventilation should not be impeded by covering the

ventilation openings with items such as newspaper, table-cloths, curtains

etc.

Instruction manualREVAMP8250

Features

• 19”, 2 rack units high.

• 8 output channels powered with class-D ampliﬁers.

• 8 x 250 watts (4 ohms) or 4 x 500 watts (8 ohms) RMS.

• Switching mode power supply.

• Intelligent thermal power limiting circuit: limits the output

power to a safe limit whenever a thermal overload occurs.

• Very high channel separation.

• Input signal clip indicators on the rear for fast and easy

conﬁguration of the input gain.

• Versatile LED status indicators on the front.

• Unbalanced RCA input and Balanced euroblock input for each

input.

• Input level attenuators on all inputs.

• Switchable high pass ﬁlter on each input (250 Hz).

• Extended speaker and amp protection circuits: over current

protect, over temperature protect and DC protect.

• Cooling fan.

• Integrated APC limiter.

• Removable rack-ears.

Note: the integrated APC limiter will automatically limit the

incoming audio signal to avoid overloads. This feature cannot be

defeated and acts as a lifesaver for your valuable speakers.

DIGITAL POWER AMPLIFIER

1. Channel 2 unbalanced input and link RCA connector: connect

the line level input signal for channel 2 here. Line level is 0 dBV.

Input and link RCA connector are internally connected 1 to 1.

2. 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.

3. Channel 1 unbalanced input and link RCA connector: connect

the line level input signal for channel 1 here. Line level is 0 dBV.

Input and link RCA connector are internally connected 1 to 1.

This connector is also used in the bridge mode.

4. 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.

146

2 5

Connections

11 12 13 14

Only channel 1 and 2 are explained. Channels 3 to 8 are

functionally identical to 1 and 2.

Instruction manualREVAMP8250

5. Channel 2 balanced input on 3 pole euroblock connector:

connect the line level input signal for channel 2 here. Line level

is 0 dBV.

6. Channel 2 input attenuator setting: Adjust the input attenuator

to the output level of your source. Make sure to avoid the clip

led lighting up at the strongest input peak level.

7. Channel 1 balanced input on 3 pole euroblock connector:

connect the line level input signal for channel 1 here. Line level

is 0 dBV. This connector is also used in the bridge mode.

8. Channel 1 input attenuator setting: Adjust the input attenuator

to the output level of your source. Make sure to avoid the clip

led lighting up at the strongest input peak level.

9. Bridge button: set to channel for normal operation. Set to

bridge mode for bridge mode operation.

10. HPF on/off dipswitch for channels 1 and 2: Set to on position to

enable the 250 Hz high pass ﬁlter.

11. Channel 2 and 1 output on euroblock: minimal load impedance

is 4 Ohms in stereo mode and 8 Ohms in bridge mode.

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

13. Mains voltage selector: set to 230 or 115VAC according to your

local mains voltage.

14. Mains inlet connecter: connect the mains cable supplied with

the unit here.

DIGITAL POWER AMPLIFIER

Operation

1. Removable rack ears for 19” rack mounting.

2. Power switch.

3. Power led

4. Channel 1 – 8 multifunctional led displays.

1 2 3 4 1

• Clip – overload led (Red) indicates

that the ampliﬁer is overloaded

or clipping: reduce the incoming

signal immediately to avoid

clipping and eventually ampliﬁer

shutdown.

• Limiter active (Orange): indicates that the internal limiter is

active.

• Signal -40 dB (Green) indicates that a signal is present at the

input.

• Bridged led (Yellow) lights up when the bridge mode is

selected via the rear panel bridge push button.

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