DLS Flatsub 8 User manual

Owner’s Manual
DLS Flatsub 8
The information contained in this manual is subject to
change without prior notice. The most current version of
this manual is available on our official website at:
www.dls.se
Copyright c DLS Svenska AB. All rights reserved

Introduction!
Please read this manual fully before unpacking and installing the pro-
duct. It will help you to optimise the performance of your speakers.
Unpacking and maintenance
Your speaker should be treated with the same care you would treat a
piece of furniture. Use only a piece of soft cloth to clean the loudspea-
kers. After unpacking, we suggest you retain all packing material for
future transports.
Running-in period
The performance of the speaker will change subtly during the listening
period.
Please allow your new speakers to play about 20 hours of music at
normal listening level before doing any critical listening.
System
DLS Flatsub 8 is an efficient, active subwoofer with a built-in 100 W
analoguepower amplifier. Theloudspeakerunitisaspeciallydeveloped,
8”, long-stroke woofer with a powerful magnetic system.
DLS subwoofer is designed to interact with Hi-Fi equipment, surround
installations and multi-media systems. The subwoofer allows great
freedom in placement.Withthecontrol youcan adjust phase, crossover
frequency and level, which makes it easy to adjust for the acoustics in
your listening room.
Connecting power supply
The switch "Power" is the on/off switch for the subwoofer. Normal posi-
tion isAUTO ON which makes the subwoofer start with the rest of your
system, POWER LED glows green. After a period without input signal
the amplifier atomatically reverts to standby, POWER LED glows red.
The power switch "OFF" position is used when the subwoofer should
not be used for some time.
CAUTION!
If you hear distortion when you increase the volume this is normally a
sign of overloading the subwoofer and you should immediately reduce
the level. We recommend that you use the volume control with care.
Service
Should your DLS loudspeaker system require service, or if you
have difficulty in achieving the fine performance of which your DLS
loudspeaker system is capable, consult the DLS dealer from whom
the system was purchased. Your dealer has the knowledge required
to provide expert advice and assistance. In case the DLS dealer is
unable to assist you, you are welcome to contact the DLS Technical
Department.
Warranty
This DLS loudspeaker is warranted to the original purchaser, against
fig.1
DESCRIPTION OF SUBWOOFER AMPLIFIER
Fig. 1, Rear amplifier panel.
LINE LEVEL INPUT
RCA socket for line low level input
HIGH LEVEL INPUT
For connection from the amplifier speaker outputs
POWER
Main power switch
POWER INPUT SOCKET
Power input socket with fuse holder
VOLTAGE SELECTOR SWITCH
To adjust amplifier for 115 or 230 Volt connection
Fig.2, Front panel behind the speaker grill.
POWER LED
Red for standby and Green for subwoofer active
VOLUME
Control for adjusting subwoofer level to system
FREQUENCY
factory defect in material or workmanship, for a period of one (1)
year from the date of original purchase. This warranty is valid only
in the country of purchase, to the original purchaser and is non-
transferable.
DLS loudspeakers are music listening devices and should be used for
listening purposes only
They must not be connected to any other equipment than amplifiers
Control for adjusting the x-over frequency to
the subwoofer.
PHASE
Control for phase shifting the subwoofer sound
Placing in the room
fig.2
within the specified power range.
DLS cannot be held responsible for damage or injuries caused by
improper use, or use in violation with the recommendations in this
leaflet.
IMPORTANT!
Before connecting electricity to the power supply, it is important that
the POWER switch is OFF and check that the AC switch 115V - 230 V
is set at correct voltage for your country
Connect the subwoofers input signals before you switch the POWER
switch to AUTO ON.
Marking by the ”CE” symbol indica-
tes compliance of this device with the
EMC (Electromagnetic Compatibility)
and LVD (Low Voltage Directive)
This product must be returned to
the separate collection system for
electronic products. Do not dispose
this product together with general
household waste.
The Flatsub 8 is 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.
Wall bracket Wall
bracket
300 mm
167 mm
22 mm

Left
Right
CONNECTION ALTERNATIVES:
-SPEAKER LEVEL INPUT
Connect the speaker outputs of the stereo power amplifier to ”left (L) &
right (R) "HIGH LEVEL INPUT" respectively, fig. 3
Speaker Speaker
+
+
Amplifier
- L CH + + R CH -
fig 3
Technical data for amplifier module AF-150
- SURROUND SYSTEM CONNECTIONS
Surround amplifiers provide a separate subwoofer line output, use a "Line
Cable" from this output to LINE LEVEL INPUT right (R), fig. 4. You can
also use a "Split Cable" to connect the subwoofer line output to both LINE
LEVEL INPUT, left (L) and right (R), fig.5. The sensitivity then increases
with 6 dB.
2-CHANEL 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.
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 8 can be continuously
adjusted f rom40 t o150Hz . T his frequency ist hespli t 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.
PHASE control.
This switch changes the phase of the subwoofer sound continuously from
0 to180°. Normal position is 0°, but for reasons of placement it could oc-
cur that subwoofer and front speakers are out of phase at the crossover
Output power:
Woofer unit Q-sub 8:
Cross-over frequencys:
Sensitivity, line in:
Sensitivity, high level in:
Phase:
150 Watts class AB
8" / 20 cm
40-150 Hz
200 mV / 12 kohm
4V / 15 kohm
0° to180° continuously
frequency.
Y ourecognize t hisasweakbass reproduction t ha t jus t barelycanbeadjusted
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.
Amplifier Amplifier
fig 4 fig 5

Contact:
DLS Svenska AB
P.O Box 13029
SE-402 51 Göteborg
SWEDEN Phone: +46
31 840060
Fax: [phone]
e-mail: [email protected]
www.dls.se