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SUB 250
Operating Guide / Bedienungsanleitung
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Contents Safety........................................................................................................................ 2 Before operation...................................................................................................... 4 About this operating manual................................................................................ 4 Unpacking ........................................................................................................... 5 Controls an
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Englisch Dear Music Lover, Thank you for purchasing this Dynaudio subwoofer. With it, you have chosen for the latest in audio technology and engineering, culminating into the finest in audio reproduction. Dynaudio is one of very few companies who can realize such loudspeaker concepts through it's own in-house development and production facilities. These facilities are so advanced and the quality control is so strict that Dynaudio is likely the only specialty audio company to have exceede
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Safety Safety Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9. Do not defeat the safety pu
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Safety WARNING RISK OF ELECTRIC SHOCK! DO NOT OPEN! To reduce the risk of electric shock, do not remove the rear panel and do not expose the apparatus to rain or moisture. No user serviceable parts inside. Refer servicing to qualified personnel. Safety signs The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. The lightning flash with arr
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Before operation Before operation About this operating manual Used signs and symbols In this operating manual following signs and symbols are used: Note Additional information is provided, which is important to fully understand the SUB 250 and how to operate it. The arrow will identify steps to be performed. Please follow the instructions carefully. 1. Multiple steps that should be performed consecutively are numbered. Please follow 2. these instructions carefully. 3. italics The result of a
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Before operation Unpacking To find the suitable position for the SUB 250 in your listening room, please read the chapter “Positioning the subwoofer” on page 12. Unpacking the subwoofer 1. Unpack the subwoofer on a clean, even and soft area; floor carpeting is very suitable. 1 2. The packaging should be opened from the top. Remove all accessories that come packed with the subwoofer (such as AC power cord and grille). Do not remove the top part of the protective material. 3. With the protectiv
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Before operation Controls and connections POWER ON/OFF ➊ Main power switch (to switch the subwoofer manually on and off). LED: shows operation mode: ➊ • red = subwoofer switched on and in mute mode • green = subwoofer is activated AC IN ➋ Mains power input. GAIN ➌ Subwoofer volume level. ➋ SUB Lowpass ➍ Subwoofer lowpass frequency: continuously variable from 50 to 150 Hz. PHASE ➎ Phase setting: phase can be set to 0° or 180°. MODE ➏ Subwoofer operation mode LFE or Slave. ➌ • LFE: setting if just
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Before operation Connecting the subwoofer CAUTION DAMAGE OF DEVICE DUE TO IMPROPER CONNECTION! Set the mains power switch to OFF before connecting the SUB 250. Only switch the subwoofer on (mains power switch to ON) after all connections and set up steps have been properly completed. Note: • The Dynaudio SUB 250 can be controlled by any source provided with a LFE or preamplifier output. In the operating manual the expression “processor/receiver” will be used for all these sources. SUB I/O L
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Before operation Connecting a single subwoofer ➊ Connecting the SAT/SUB input From the preamplifier output of your processor/receiver (often marked as Pre Out or Front Out) connect a stereo RCA cable to the subwoofer SAT/SUB Input. This signal should not be already processed by the processor/receiver. Please pay Front Out/ LFE/SUB Out ➊ ➋ attention to the settings of your processor/receiver. Pre Out ➋ Connecting the LFE channel From the processor or receiver’s low-level (not a speaker outpu
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Operation Connecting loudspeakers In Home Cinema systems the bass management - meaning the distribution of the low frequencies to the subwoofer and the speakers - is handled by the settings of the processor/receiver. If your equipment does not provide bass management, or if you want to use the SUB 250 together with a common stereo, the low frequency adjustment of the connected speakers can be managed by the SUB 250. This not Front Out/ LFE/SUB Out Pre Out only improves the sound by matchin
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Operation Adjusting the volume (GAIN) CAUTION HIGH SOUND LEVELS! To avoid auditory defects do not listen to high sound levels over a longer period of time. The correct volume setting is an important aspect in achieving a well balanced speaker combination. Please also refer to “Specific tips” on page 16 for further information or ask your local Dynaudio dealer for assistance. Adjust the GAIN control, until correct setting is reached. Note: • You can not adjust the volume, when subwoofer is
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Operation Setting the phase (PHASE) With the phase settings you can adjust the timing relationship between the subwoofer Combined frequency response Subwoofer and main speakers. If either subwoofer or main speaker are slightly delayed in Main speakers response in relation to the other, it can result in decreased bass output in the frequency response area where they overlap each other. The phase relationship between subwoofer and satellite speakers is very dependent on relative distance, cons
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Operation Positioning the subwoofer Although it is often said that the location of a subwoofer in a listening room is not critical (as the human ear can not locate direction at very low frequencies), we recommend that you choose its position carefully. Thus the subwoofer can integrate seamlessly with the other speakers in the system and interact correctly with the room acoustics. All of the following should be taken as rough guidelines; bass response in general is very dependent on the acou
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Operation Positioning possibilities Moving the subwoofer closer to walls and corners in particular will generally increase the amount of bass. Although the extra amount of bass can be compensated for by reducing the volume level of the subwoofer relative to the rest of the system, this can result in uneven bass response at the listening position. You can try starting with placement in a corner and experiment by gradually moving it out of the corner or further away from the wall. Try to loca
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Optimizing settings/Troubleshooting Optimizing settings/Troubleshooting General tips Check it out Try different subwoofer positions and settings, before you finally choose a setup Note down settings When looking for the best subwoofer position in the room, note down the ideal setting you found for a position. When moving the subwoofer between two positions you will be able to set the subwoofer to the same configuration as found before. Vary the listening music When experimenting to find the o
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Optimizing settings/Troubleshooting Cut-off frequencies Matching the frequency responses of subwoofer and speakers has an important 60 Hz 50 Hz 80 Hz 100 Hz impact on the overall sound quality, when integrating a subwoofer into a audio-video- 100 Hz 150 Hz system. In general a large, floor-standing speaker still has significant output in the Flat deeper bass range, whereas a very small speaker will not be able to reproduce deep bass at all. In the first case a bump in the overlapping area wil
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Optimizing settings/Troubleshooting Control possibilities The Dynaudio SUB 250 provides two controls to match the frequency response of the subwoofer and the main speakers perfectly: • SUB Lowpass: the upper cut-off frequency of the subwoofer, which can be continuously adjusted between 50 and 150 Hz. Above the selected cut-off frequency the sound pressure level decreases rapidly. • SAT Highpass: the lower cut-off frequency of the main speakers; 60 Hz, 80 Hz or Flat (neutral) can be selected.
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Optimizing settings/Troubleshooting CAUTION DAMAGE OF SMALL SATELLITE SPEAKERS! Selecting the correct frequency depends to a large extend on the main speakers. Sometimes main speakers are specifically intended to work with a subwoofer. In such cases, the main speakers can get damaged by a full-range amplifier signal. If in doubt, check the instruction manual for the main speakers for any restrictions. The table below offers some setting tips for different speaker and amplifier combinations.
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Optimizing settings/Troubleshooting 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: Check if all signal cables are connected properly. Check settings in bass management menu of the connected processor/receiver Carefully and gradually increase the subwoofer volume level o
