DLS AF100 Owner's Manual - Page 3

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SOUND ADJUSTMENTS

VOLUME control

This control is used to adjust the balance between subwoofer and front or

satellite speakers. Once you have found a pleasant balance there should

be little need for further adjustments. Trust your ears and your personal

taste to find the correct setting.

LOW-PASS FREQUENCY control.

The active crossover network of the DLS Flatsub can be continuously ad-

justed from 40 to 200 Hz. This frequency is the split frequency between the

subwoofer and the front or satellite speakers. A higher crossover frequency

eases the load of the front speakers while a lower crossover improves the

stereo image. As with the level control you need to try out what suits your

equipment, room and ears the best.

This control changes the phase of the subwoofer sound continuously from 0

to180°. Normal position is 0°, but for reasons of placement it could occur that

subwoofer and front speakers are out of phase at the crossover frequency.

You recognize this as weak bass reproduction that just barely can be ad-

justed with the level control. Instead you adjust the phase. Turn the control

slowly clockwise while playing music until you here the bass sound improve,

your ears are the proper instrument to decide when the sound is correct.

CONNECTION ALTERNATIVES:

- SURROUND SYSTEM CONNECTIONS

Surround amplifiers provide a separate subwoofer line output, use a "Line

Cable" from this output to LINE IN left (L), fig. 1. You can also use a "Split

Cable" to connect the subwoofer line output to both LINE IN, left (L) and

right (R), fig.2. The sensitivity then increases with 6 dB. This way to con-

nect is to be preferred.

2-CHANNEL STEREO CONNECTIONS

-Line level input

Should your amplifier have separate pre-amplifier outputs, you should

connect those to LINE LEVEL INPUT, left (L) and right (R). Use a "Stereo

Line Cable". Your front speakers remain connected to the loudspeaker

outputs of the stereo amplifier.

fig 1

Amplifier

Placing in the room

The Flatsub subwoofers are designed for hanging on a wall, down near

the floor as in the photo, or any other position on the wall. A wall bracket

is included with the speaker. The wall bracket is attached on the wall

as in the drawing below.

Another way is to place it lying under a furniture, for example a sofa.

fig 2

Wall

bracket

Amplifier