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2. Important Safety Instructions

The following guidelines shall help minimize the risk of injury through fire or electric shock.

1.   Carefully read these safety notes before you 

use the device!

2.   Keep these safety notes in a safe place.
3.   Pay attention to all warnings, instructions and 

additional texts on the unit.

4.   This device was only designed for operation 

under normal climatic conditions (temperate 

climate).

5.   Do not install or use your amp in close proximi-

ty to water or if you are wet yourself.

6.   Do not subject your device to sudden and 

severe temperature changes. This could cause 

moisture condensation inside the unit, which 

could damage it. In the event of moisture 

condensation allow the device to dry out com-

pletely before use.

7.   Use your amp in a safe place where nobody can 

step on cables or trip over and damage them.

8.   Pay attention to an unhindered air circulation 

around the amp, never obstruct the air vents or 

grilles.

9.   Always pull the mains plug before cleaning 

your amp or when left unused for a long period 

of time. Use only a dry cloth for cleaning. Avoid 

the use of detergents and do not let any liquids 

seep into the unit.

10. Use only the right fuses with the same current 

rating and trigger characteristic as replace-

ments. Never mend fuses! Pull the mains plug 

before replacing a fuse. Should a fuse blow 

again after a short while, the device needs to 

be checked.

11. Never install your amp close to devices with 

strong electromagnetic fields such as large 

mains transformers, revolving machines, neon 

illumination etc. Do not lay signal cables paral-

lel to power current cables.

12. There are no user-serviceable components 

inside the unit. To avoid the risk of an electric 

shock, the unit must not be opened. All mainte-

nance, adjustment and repair works should be 

carried out by qualified staff only. Any unautho-
rized tampering will void the 2-year warranty.

13. In keeping with the EMV regulations screened 

cables with correctly fitted connectors must be 
used for all signal connections.

14. Always use an earthed power supply with the 

correct mains voltage. If you are in doubt about 
the power outlet ground, have it checked by a 
qualified technician.

15. Cable up your amp only when it is powered off.
16. This device should be installed near the socket 

outlet and disconnection of the device should 
be easily accessible. The mains plug of the 
power supply shall remain readily operable. 
Protect the power cord from being walked on 
or pinched particularly at plugs, convenience 
receptacles and the point where they exit from 
the apparatus.

17. This product may cause permanent hearing 

loss. Do not operate for long periods of time 
at a high volume level or at any level that is 
uncomfortable. If you experience any hearing 
loss or ringing in the ears, you should consult 
an audiologist.

18. The product should be located away from heat 

sources such as radiators, heat registers or 
other products that produce heat.

19. Do not place any open sources of fire, like  

 candles, on the device.

20. Care should be taken so that objects do not fall 

onto the device and liquids are not spilled into 
the enclosure through openings. Ensure that 
no objects filled with liquids, such as vases, are 
placed on the device.

21. Do not place this device on an unstable 

cart, stand, tripod, bracket or table. The 
device may fall, causing serious injury 
to you and serious damage to the 
device itself.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

AT T EN T I O N

RISQUE DE CHOC ELECTRIQUE

NE PAS OUVRIR

The lightning flash with 

the arrow head symbol 

within an equilateral 

triangle is intended to alert the 

user to the presence of unisolated 

´dangerous voltage´ within this 

product´s enclosure that may 

be of sufficient magnitude to 

constitute a risk of electric shock 

to persons.

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 this product.

Summary of Contents for combi-SUB 12

Page 1: ...1 combi SUB 12 15 User Manual preliminary ...

Page 2: ... manual Contents Page 1 Introduction 3 2 Important safety instructions 4 3 Controls and connections 5 4 Starting up 6 4 1 Cabling and switching on 6 4 2 Level adjustment 6 5 Technical data 7 6 Block diagram 8 ...

Page 3: ...ubwoofer low frequency extension to an AER amp no matter if Compact 60 Domino or AP1 the combi SUB 15 is additional well suitable as subwoo fers to form a sound reenforcement system with AER AS 281 Ref info sheet Rugged cabinets with heavy duty speakers power amps with high dynamic range and a control section with adjustable cross over and notch filter make the combi SUB very versatile AER quality...

Page 4: ...y 13 In keeping with the EMV regulations screened cables with correctly fitted connectors must be used for all signal connections 14 Always use an earthed power supply with the correct mains voltage If you are in doubt about the power outlet ground have it checked by a qualified technician 15 Cable up your amp only when it is powered off 16 This device should be installed near the socket outlet an...

Page 5: ...o turn the notch filter off on 5 notch freq Range from 50 300 Hz Notch filter subjects frequencies of a certain frequency range here 50 and 300Hz to severe reduction 14 dB in a very narrow bandwidth quality 2 This helps to reduce feedback and other annoying resonances 6 phase Switch to invert the phase norm normal inv inverted power section 7 power on off status indicator 8a combi SUB 12 power on ...

Page 6: ...er notch filter and phase inversion A combi SUB 12 and 15 as extension to an amp A line out signal is unfiltered and full range This is why you can adjust the range the combi SUB covers individually to adjust the amount of bass and midrange the combi SUB should add The phase switch inverts the signal phase by 180 Make sure your amp and the combi SUB are in phase than you will hear the low frequenc...

Page 7: ...em Combi Sub 12 300 mm 12 woofer Combi Sub 15 380 mm 15 woofer Bass reflex enclosure Cabinet 18 mm 0 71 birch plywood M20 thread for speaker stand on top side Finish Waterbased acrylic black spatter finish Dimensions and weight Dimensions Combi Sub 12 430 mm 16 92 high 490 mm 19 29 wide 350 mm 13 77 deep Combi Sub 15 490 mm 19 29 high 560 mm 22 05 wide 440 mm 17 32 deep Weight Combi Sub 12 19 55 k...

Page 8: ...8 6 Block diagram B130827_130827 INPUT LINK GAIN CROSSOVER FREQ NOTCH FREQ OFF ON SUBSONIC LIMITER POWER AMP SPEAKER CLIP DETECTION CLIP 1 2 3 1 2 3 T R ...

Page 9: ...9 www aer amps com 02092013 20131007 ...

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