SFaudio SFR-7000, SFR-4000, SFR-9000, SFR-14000 User Manual

Professional Power Amplifier

User's Manual

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

Please keep this manual for future reference > > >

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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 electric

al 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 equipme

nt 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

Allproduct s are warranted for a period of one year from all manufact urers def ects.

The warrant y begins when the product is sold to the end-user, and no more than 12 months aft er
The warrant y is void if their are any signs of ta mpering of the unit , unless aut horized by an ag ent of in writing .

If by chance the unit were to be defect ive, at that point the client must pre-pay the shipment b
the warranty center with it?s original package.

The amplif iers have all prot ections but bad use can damaged the amplif ier and is not covered by the warranty.
The amplif ier have some mechanical parts t h a t if over used abusively is not covered

For any further informa t ion or question regarding the SFR series amplifier please contact your di st ributor
or place from which

you purchased this product.

by theLimit ed Wa rranty.

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