SFaudio SFR-7000 Manuel utilisateur

User's Manual

Please keep this manual for future reference > > >

Professional Power Amplifier

SFR-4000+SFR-7000+SFR-9000+SFR-14000

www.sfaudio.es

Professional Audio Equipment

IMPORTANT PRECAUTIONS

1. Read all documentation before operating your equipment. Retain all documentation for further reference.

2. Mains voltage must be correct and the same as that printed on the rear of the unit. Damage caused by

connection to improper AC voltage is not covered by any warranty.

3. Always operate the unit with the AC ground wire connected to the electrical system ground. Precautions

should be taken so that the means of grounding of a piece of equipment is not defected .

4. Connecting amplifier outputs to oscilloscopes or other test equipment while the amplifier is in bridged

mode may damage both the amplifier and test equipment.

5. Do not drive the inputs with a signal level greater than that required to drive equipment to f ull output.

6. Do not run the output of any amplifier channel back into another channel 's input. Do not parallel or

series connect an amplifier output with any other amplifier output.

7. In system setup ,amplifier's output power must be greater 50%-100% than the loaded loudspeaker's

rated power.

8. Make sure the signal correctly connect to the amplifier's input channel at current input mod e.

9. Please turn off the power switch ,when pull off the power cord and signal cable or select the input mode

switch.

10. In typical use, Please set the volume to 0dB position.

11. Sometime, one signal to more than one amplifier, suggest use signal distributor.

12. Please clean the dust filter ,every 15 days.

WARRANTY CONDITIONS

Allproducts are warranted for a period of one year from all manufacturers defects.

The warranty begins when the product is sold to the end-user, and no more than 12 months after

The warranty is void if their are any signs of tampering of the unit, unless authorized by an ag ent of in writing .

If by chance the unit were to be defective, at that point the client must pre-pay the shipment back to

the warranty center with it?s original package.

The amplifiers have all protections but bad use can damaged the amplifier and is not covered by the warranty.

The amplifier have some mechanical parts that if over used abusively is not covered by theLimited Warranty.

For any further information or question regarding the SFR series amplifier please contact your di stributor

or place from which you purchased this product.

1. Air Exit

This part is the air exit. Don t obstruct it.'

2. POWER Indicator

This indicator lights when the power amplifier

is switching on.

" "

6. SIGNAL Indicator

The illumination of the LED only indicates a safe

operation.

" "

3. CLIP Indicator

Any illumination of the clip indicates a state of

over modulation (distortion at extremely high

volumes). In this case, check the output signal

of your mixer and turn down the input gain

control. Please keep in mind that the power

amplifier con not correct any distortion.

" "

7. Handles

Those handles are used for easy transportation.

4. Channel 1 Volume Control

In stereo mode, this potentiometer allows the

adjustment of the channel 1 input level. ( left

channel ). In Bridge mode, this potentiometer

allows the adjustment of the two channels at

the same time.

8. Power Switch

Use this switch to switch your power amplifier on.

Switch off the device and find out the problem.

This power amplifier is protected overheat,

overload, short circuit, DC, softstart.

9. Channel 2 Volume Control

In stereo mode, this potentiometer allows the

adjustment of the channel 2 input level. (Right

channel)

In bridge mode, this potentiometer is disabled.

Professional Audio Equipment

5. PROTECTION Indicator

When this indicator lights, that means the

power amplifier is in the protection mode.

" "

SFR SERIES DESCRIPTION FRONT PANEL:

SFR-14000

SFR SERIES DESCRIPTION REAR PANEL:

Professional Audio Equipment

11. Channel 1 XLR Input

This XLR input is a balanced input. Connect

this input to the left output of your mixer.

12. Channel 2 XLR Input

This XLR input is a balanced input.

Connect this

input to the right output of y our mixer.

13. Channel 1 Turn lock Output

Connect this turn lock output to a speaker.

14. Channel 2 Turn Lock Output

Connect this turn lock output to a speaker.

15. AC Cord

Plug this cord into the power supply socket.

(Before using the power amplifier, check if

the power supply is 220V).

16 . A ir Entra nc e

This part is the air entrance. Don t obstructit.'

17. Channel 1 Link Socket

Th is b al an ced socket i s use d to l in k an other

amp li fier.

18. Channel 2 Link Socket

Th is b al an ced socket i s use d to l in k an other

amp li fier.

1413 1718

1 6

CONNECTING FOR 2U MODEL:

Professional Audio Equipment

Ch1 OUTPUT

Ch2 OUTPUT

+: 1+

-: 1-

En modo Stereo conectar cada una de las entradas CH1 y CH2 a las salidas del mezclador.

El selector MODE debe de estar en la posición Stereo.

Conectar los altavoces a los conectores de salida.

Ajustar el volumen con los potenciómetros frontales de volumen de cada canal.

SPECIFICATIONS

SAFETY INSTRUCTIONS:

Read all safety instructions before operating amplifier.

Install equipment as follows:

-- Install in a flat place, not bending or curved.

-- Do not install near water and moisture.

-- Place power amplifier away from heat sources, such as radiators or other heat source.

Keep in mind the following when connecting amplifiers

-- Read the user manual before connecting the amplifier

-- Connect each connection of the amplifier perfectly. If not, it may cause hum, damage, electric

shock in case of disconnection.

-- To prevent electric shocks, do not open top cover.

Connect the power cord with safety after check fo AC power.

Professional Audio Equipment

Net Weight /Gross Weight 1 5 K g /1 9 .5 K g 17Kg/21Kg 1 8 K g /2 2 K g 1 8 K g /2 2 K g

20Hz-20KHz 0.5dB±

Frequency Response

< 0 .0 5 % < 0 .0 8 %< 0 .0 5 % < 0 .0 8 %

THD+N(20Hz-20KHz)

3 0 V /μs 3 0 V /μs 4 0 V /μs3 0 V /μsSlew Rate

400Damping Factor(8 20Hz-1KHz)

，Ω

3 6 d B 3 9 .7 d B3 8 .2 d B 4 0 .8 d BVoltage Gain(rated power@8 )

> 9 0 d B > 9 0 d B > 9 5 d B > 9 5 d BSignal to Noise Ratio

0.775V/1.0V/1.4VInput Sensitivity(8 )

20K balance/10K unbalance

Ω Ω

Input Impedance

Two variable speed fans, rear-to-front air flowCooling

Front : AC switch,Ch1 and Ch2 gain knobs;

Rear:

30Hz Low cut :clip limiter switch,

150Hz Low pass

Sensitivity switch,GND switch,Stereo/Parallel/Bridge switch,

switch,

switch

Controls

Indicators

>70dB >70dB>70dB >70dB

CrossTalk(20-20KHz)

Amplifier Protection

Dimensions

Packing Dimensions

Power Requirements

483mmX462mmX89mm

610mmX575mmX170mm

230V/50Hz

short circuit,t hermal,over load,clip limiter, DC voltage,soft start,

ult rasonic and RF protect ion

@8 Stereo Output Power

@4 Stereo Output Power

@ Output Power8 Bridge

SFR-4000 SFR-9000SFR-7000 SFR-14000

800W 1450W 2000W1600W

1200W 2100W 3000W2400W

2400W 4200W 6000W4800W

SFR SERIES SPECIFICATIONS

Input：X L R

Ou t p u t : S p e a ko n，connector

Front : STANDBY-orange LED,POWER-White LED,SIGNAL-Green LED ,

CLI P-Red LED ,PROT-Red LED;Rear: orange LEDBridge-

Connectors (each channel)

Ce manuel convient aux modèles suivants

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