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ATTENTION

1) Read instructions - all the safety instructions must be 

read before the usage of the device.

2) Following the instructions - the instructions must be 

a reference for all that follows.

3) Taking the signs into account - all the signs on the 

device and in the manual must be taken into account.

4) Following the instructions - all the following instructi

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ons must be followed without exception.

5) Cleaning - Disconnect the power cord before all clea

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ning. Do not use alcohol or benzene to clean the device 

nor  any  other  liquid.  Clean  the  device  with  a  lightly 

damp cloth.

6) Accessories - do not use accessories that are not 

certified by the manufacturer or that can cause injuries.

7) Water and humidity - The device may not be used 

near water, for instance near a bath, river, damp room, 

swimming pool, or any similar environment.

8) Stands - do not use an unstable stand. It can fall and 

injure someone and the equipment may be damaged. 

Do not use anything other than stands and mounting 

systems that are certified by the manufacturer or that 

are sold with the device. Make sure that the mounting of 

the device is done properly. Observe all safety instructi

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ons provided by the the manufacturer.

9) A device mounted in a mobile rack must be treated 

with care. A sudden stop or pushing it too roughly, in 

combination with a rugged surface can make the rack 

tip and so injure someone or damage the equipment 

that is in the rack.

10) Ventilation - The perforations in the casing of the 

device are there to make sure that the device can ope-

rate at the correct temperature and cooling of the inte-

rior    be  guaranteed. You  must  make  sure  that  these 

openings are not blocked in any way such as by panels 

or tissues or papers. The device should not be mounted 

in a closed case where no passive or active ventilation 

is possible.

11) Power - you must connect the device to a power line 

described in the manual or at the back of the device. If 

you are not sure that the unit as supplied is correct for 

your supply voltage, please contact a technician or your 

local reseller.

12)  Grounding  and  polarisation  -  this  device  can  be 

equipped  with  a  polarised  power  connector  that  only 

connects one way round which can provide additional 

safety features. If you are unable to put the power plug 

into the socket, try it again  the other way. If you do not 

succeed to put the power plug into the socket, ask a 

technician. Never try to modify the plug so that it will fit 

the socket.

13) Protection of the power cable - Make sure that the 

power cable is not damaged in any way, for instance 

by other machines that are mounted above or below 

the device. 

14) Usage - for extra safety and environmental rea

-

sons  we  recommend  disconnecting  the  mains  if  the 

device is not being used for a longer period.

15) Power overload - do not overload your power lines. 

Make sure that you do not exceed that maximum load 

your power cabling can handle. Doing so may pose a 

fire hazard.

16) External objects and liquids - make sure that no 

external  object  and/or  liquid  can  enter  the  device. 

There is a risk of electrical shock and the machine may 

be damaged and need servicing. Make sure that you 

never poor liquids onto the device. 

17)  Maintenance  -  There  is  no  need  to  open  the 

machine for servicing. There are no serviceable parts 

in the machine.

18) Repairs - unplug the device and refer to a qualified 

technician in the following cases:

a) The power cord is hot or damaged in any way.

b) An object or liquid has entered the device.

c) The device was exposed to rain or moisture.

d) The device does not seem to work properly accor

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ding to the manual. Do not use more and other com-

mands  than  you  will  find  in  the  manual.  Contact  a 

certified  technician  to  help  you  restore  the  standard 

commands. 

e) The device has fallen or the chassis is deformed.

f) The device performs abnormally, showing signs of 

malfunction.

19) Spare parts - if it is necessary to replace certain 

parts, make sure that only certified  parts are used or 

that the used parts have the same characteristics as 

the  originals.  Using  incorrect    parts  can  change  the 

device’s performance or even destroy it completely.

20) Verification - after repairs, make sure to test the 

device thoroughly. Not only the functionality, but also 

the safety of the device must be tested. 

21) Mounting on the ceiling or wall - the device can not 

be mounted on a wall or ceiling, because this will cover 

the ventilation perforations causing the device to over-

heat.

22) Heat - the device must be kept away from all heat 

sources,  such  as  radiators,  stoves  or  other  devices 

mounted in the same rack including amplifiers.

Содержание dB Series

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Страница 3: ...APEX NV Schoebroekstraat 62 3583 Beringen Paal BELGIUM Tel 32 0 11 28 61 91 Fax 32 0 11 25 56 38 email info apex audio be website www apex audio be...

Страница 4: ...rown away as unsorted municipal waste At the end of life dispose of this product by returning it to the point of sale or to your local municipal collection point for recycling of electric and electron...

Страница 5: ...ROWN PHASE LIVE ATTENTION This device must be grounded If these colours do not correspond with the symbols or colours you are using please follow the fol lowing instructions The GREEN YELLOW wire must...

Страница 6: ...n provide additional safety features If you are unable to put the power plug into the socket try it again the other way If you do not succeed to put the power plug into the socket ask a technician Nev...

Страница 7: ...ve tried to offer a high quality dual channel graphic equaliser with some extra filters for a very affordable price In our humble opinion this is probably the best sounding equaliser in its price rang...

Страница 8: ...ency Shelving filter 7 High Frequency Shelving filter 8 Low Frequency Notch filter frequency selection 9 Low Frequency Notch filter on off switch with LED indication 10 High Frequency Notch filter fre...

Страница 9: ...dBzero has an automatic switchable power supply which accepts a wide range of AC power from 100V to 220V Do not connect the EQ to a 380V power source Never replace the fuse in the Fuseholder 9 with a...

Страница 10: ...nd usually where the phase has been shifted 45 If a tuned circuit has a centre frequency of 1 kHz and 3 dB down points at 900Hz and 1 1kHz the bandwidth 200Hz and the Q 5 1000Hz 200Hz The greater the...

Страница 11: ...Hz this is mostly a dirty sound with some harmonics if you work from right to left you will try to get rid of all the harmonics first to finally get to the fundamental When working from left to right...

Страница 12: ...nd 250Hz With this section you can get rid of unwanted low frequency noise such as rumble or microphone handling noise Again it is better to use this filter to cut off low frequency noise than to use...

Страница 13: ...elving filter is a filter with a fixed slope and a fixed frequency at 14kHz Via the rotary control you can adjust the boost cut of the filter between 9dB This filter acts in a similar way as the trebl...

Страница 14: ...rnative is our Apex IntelliQ digital system optimiser When trying to remove unwanted feedback start with the low frequency notch filter and then move on to the high frequency notch filter Feedback mos...

Страница 15: ...hich measu res the signal on the output after all the filter sections A separate Clip LED will light when you have reached the maximum level of the dBQzero and no more headroom is left this Clip circu...

Страница 16: ...ce outputs Maximum Output Level 21dB into 600 Ohms Noise 92dB 20Hz 20kHz A weighted Crosstalk Better than 80dB THD 0 005 20Hz 20kHz Frequency Response 0 5 dB 20Hz 20kHz all controls flat Power Supply...

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