Dynaudio Troubleshooting and Care for Your Sub 250 Subwoofer
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Technical Information/Warranty

Troubleshooting

There may be various reasons why the subwoofer doesn’t function properly in a system without it being faulty. The checklist below will help solve problems you may encounter. Before consulting your Dynaudio dealer, check this list first.

Check this first:

XCheck if all signal cables are connected properly.

XCheck settings in bass management menu of the connected processor/receiver.

XCarefully and gradually increase the subwoofer volume level on the processor/ receiver.

XCarefully and gradually increase the subwoofer volume level on the subwoofer GAIN control.

Problem

Cause

Solution

 

 

 

The subwoofer switches itself off

There is hardly any low-frequency signal available. This

X The subwoofer will switch on automatically as

although music is being played.

can happen if the music or movie itself does not contain

soon as low frequent signals are detected.

 

very low frequencies (e.g. long dialogues).

 

 

 

 

The subwoofer will not switch on at all.

• AC mains cable has become disconnected

Make sure to switch the system off first

 

(LED does not lit).

before making any changes!

 

• Mains switch on the rear is switched to OFF

X Reconnect mains cable.

 

(LED does not lit).

 

X Switch mains back on.

 

 

 

 

X Check if all signal cables are connected properly.

 

 

 

The subwoofer will not switch on

• No signal is present on either of the subwoofer’s inputs

Make sure to switch the system off first

automatically.

(LED lights red).

before making any changes!

 

 

X Check if all signal cables are connected properly.

 

 

X Check if the subwoofer output on the source is

 

 

engaged.

 

 

 

Subwoofer is switched on but no sound

• No signal is present on either of the subwoofer’s inputs.

Make sure to switch the system off first

from the subwoofer.

• In the processor or receiver’s bass-management set-up,

before making any changes!

 

subwoofer has been disabled.

X Check if all signal cables are connected properly.

 

• Subwoofer volume level has been turned down all the

 

X Check settings in Bass Management menu of the

 

way on the processor/receiver.

 

connected amplifier or receiver.

 

• Subwoofer volume level has been turned down all the

 

X Carefully and gradually increase the subwoofer

 

way with the subwoofer’s control.

 

volume level on the amplifier or receiver.

 

 

 

 

X Carefully and gradually increase the subwoofer

 

 

volume level on the subwoofer GAIN control.

Care and Maintenance

Components of the highest quality are used in your Sub 250. This assures years of trouble free operation. Following precautions should still be made though.

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Dynaudio Sub 250

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Contents Dynaudio Sub Home Systems Professional Automotive MultimediaAdjusting the volume Gain Setting the phase PhaseGeneral tips Volume Gain Care and MaintenanceDynaudio Sub Servicing to qualified personnel Important Safety InstructionsRisk of Electric Shock. Do Not Open Used signs and symbols About this operating manualHow this operating manual is structured Check that the contents are complete UnpackingTo unpack the subwoofer GrilleControls and connections Connecting the subwoofer Subwoofer inputsDamage of device due to improper connection SUB I/O LFE/SlaveConnecting a single subwoofer Multiple subwoofer connectionsSwitching the subwoofer on/off Power ON/OFF Connecting loudspeakersAutomatic mode To connect speakersAdjusting the volume Gain Selecting the subwoofer cut-off frequency SUB LowpassHigh Sound Levels Over a longer period of timeSetting the phase Phase Setting the satellite cut-off frequency SAT HighpassTo find the correct phase setting Switch SAT Highpass control to needed positionPositioning the subwoofer Choose adequate music materialImpact of room-modes Listening RoomUsing multiple subwoofers Corner placementPositioning possibilities Next to wall, away from cornerCut-off frequencies Volume GainGeneral tips Subwoofer too high, main speakers too low Cross-over frequencies set correctlySubwoofer too low, main speakers too high Specific tips Control possibilitiesGeneral tips Damage of Small Satellite Speakers Just be found by experimentingCheck this first TroubleshootingCare and Maintenance Warranty Cleaning the cabinetChanging the fuse Recycling used productsTechnical specifications Parameter Sub Sub 250 MC Sub 250 SAT Sub 250 CompactSehr geehrter Musikliebhaber Bestimmungsgemäßer Gebrauch ServiceSicherheitshinweise Verwendete Zeichen und Symbole Zu dieser AnleitungAuspacken Zum Aufbau dieser AnleitungDen Subwoofer auspacken StoffabdeckungAnschluss- und Bedienelemente NetzanschlussLautstärkeregler des Subwoofers ➐ ➑ SAT/SUB InputDen Subwoofer anschließen Subwoofer EingängeVerbindungen und Einstellungen vorgenommen haben Die über einen LFE- und/oder Vorverstärker-Ausgang verfügenEinen einzelnen Subwoofer anschließen Mehrere Subwoofer anschließen➊ Um den SAT/SUB Input anzuschließen ➋ Um den LFE-Kanal anzuschließenDen Subwoofer ein-/ausschalten Power ON/OFF Lautsprecher anschließenAutomatischer Modus Um Lautsprecher anzuschließenDie Lautstärke einstellen Gain Die Subwoofer-Grenzfrequenz wählen SUB LowpassBeschädigung des Gehörs durch zu hohe Schallpegel Um lauter und leiser zu stellenDie Phase einstellen Phase Um die richtige Phasen-Einstellung zu findenDie Satelliten-Grenzfrequenz anpassen SAT Highpass Um die Satelliten-Grenzfrequenz anzupassenDen Subwoofer aufstellen Verwenden Sie geeignetes MusikmaterialEinfluss von Raum-Moden HörraumMöglichkeiten der Aufstellung Mehrere Subwoofer verwendenEckaufstellung Wandaufstellung mit Abstand zur RaumeckeGenerelle Tipps Lautstärke GainGrenzfrequenzen Übergangsfrequenzen optimal eingestelltSubwoofer zu niedrig, Lautsprecher zu hoch eingestellt Subwoofer zu hoch, Lautsprecher zu niedrig eingestelltEinstellmöglichkeiten Generelle EinstelltippsSpezielle Einstelltipps Schwache Verstärker und kleine Lautsprecher entlastenJedem Fall nur durch eigenes Ausprobieren finden Beschädigung der Satelliten-LautsprecherDen Lautsprecher beschädigen Fehlersuche Prüfen Sie zuerst folgende PunktePflege und Wartung Den Subwoofer reinigenDie Sicherung ersetzen Beschädigung der LautsprechermembranGarantie Das Produkt entsorgenTechnische Daten Technische Informationen/Garantie Dynaudio Sub

SUB 250 COMPACT, SUB 250 MC, SUB 250 SAT specifications

Dynaudio is renowned for its exceptional audio equipment, and their SUB 250 series exemplifies this commitment to quality with three impressive models: the SUB 250 MC, SUB 250 SAT, and SUB 250 COMPACT. Each subwoofer is crafted to deliver unparalleled sound performance, making them ideal additions to home theater systems or professional audio setups.

The Dynaudio SUB 250 MC is designed for versatility and power. It features a robust 10-inch driver that delivers deep, accurate bass, enhancing the overall sound experience whether you're watching movies or listening to music. With a built-in amplifier that provides substantial power, the SUB 250 MC ensures that bass frequencies are rich and dynamic. Its advanced DSP control allows users to fine-tune their listening experience, adjusting settings to accommodate room acoustics and personal preferences.

Next in the lineup, the SUB 250 SAT offers impressive performance in a more compact format. It’s engineered for satellite speakers, providing powerful low-frequency support while maintaining a small footprint that is perfect for tight spaces. The SAT model integrates seamlessly with other Dynaudio speakers, ensuring a cohesive soundstage. The easy-to-use connectivity options make it a suitable choice for both casual listeners and audiophiles alike, making it a staple in modern audio setups.

Lastly, the SUB 250 COMPACT is tailored for those who demand high-performance bass without sacrificing space. Despite its smaller size, this model packs a punch, delivering deep bass that belies its compact design. Ideal for smaller rooms or minimalist aesthetics, the SUB 250 COMPACT can easily integrate into any home or studio environment. Like its counterparts, it features advanced control technologies to optimize sound performance, ensuring that even in limited spaces, users experience a full-bodied audio performance.

All three models benefit from Dynaudio’s expertise in sound technology, featuring high-quality materials and innovative engineering. Built with durability in mind, these subwoofers are not only powerful but also designed to last, providing listeners with dependable performance for years to come. Whether you’re adding to a home theater setup or looking for professional audio equipment, the Dynaudio SUB 250 series stands out as an excellent choice for achieving superior sound quality.
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