Sunfire Subrosa SRS-210R Manuel d'utilisateur télécharger pdf (Page 12)

User's Manual

12

Subwoofer performance is greatly af-

fected by the room in which it is situated,

and the positioning within the room. The

room effects will boost and cut the output

levels reaching your listening position.

This gives a "room EQ" effect which can

often be far from wonderful.

The SubRosa EQ system can auto-

matically adjust for the effects of room

EQ. It measures the actual frequency

response using the supplied measure-

ment microphone. Then it automati-

cally compensates for peaks or dips and

smooths out the response.

For best results it is recommended that

the subwoofer crossover in your receiver

or processor be set to its maximum set-

ting (or “bypass”). This ensures that the

subwoofer will be properly matched to the

rest of the speakers in your system.

The following procedure will help you

start the automatic equalization:

Automatic EQ Mode

1. Install the subwoofer in the best location

you can nd, using the procedure on the

previous page.

2. The calibration must be done while the

listening room is quiet. Please turn off

any noisy machinery, including heating

or cooling systems during this process.

Room Equalization Procedure

Have the kids play in the backyard and

give the dog a treat to stop him barking.

A small amount of noise, such as quiet

talking or whispering, is OK.

3. Place the microphone in the listening

position (on the couch, for example),

pointing in the direction you’ll normally

be facing while listening to your system.

Only use the microphone supplied.

4. Plug the microphone into the subwoofer

amplier's microphone jack.

5. Set these controls:

• Volume to 0 dB.

• Crossover to "Bypass."

• Phase to "Normal."

• Equalizer Authority to "Normal"

6. Turn on the amplier's power switch

and press the Start button to go from

standby to play mode. Press Start again

to start the calibration.

7. The subwoofer will generate a test tone

sweep, slowly increasing up the fre-

quency scale; the microphone will take

measurements of the sound arriving at

your listening position. The LEDs will

ash randomly for a while, then the pairs

will gradually glow constantly as each

band is measured (from left to right).

This sequence will repeat twice until the

measurements are complete. The LEDs

will all blink once and stay on, and the

test tones will stop.

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