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EURORACK MX2004A
1.2 Before you begin
1.2.1 PSU (power supply unit)
Any amplifier circuit is limited in its transient response by the available current. Every mixer has numerous line level
operational amplifiers (op-amps) inside. When being driven hard, many desks begin to show signs of stress due to
power supply limitations. Not so with the EURORACK MX2004A. The sound will always stay clean and crisp right
up to the operating limits of the op-amps themselves, thanks to our generous 40 W external power supply unit.
Please connect the PSU with the EURORACK MX2004A PSU connector on the rear panel of your mixer
and switch on your MX2004A with the POWER switch .
+ Do not connect the PSU to the EURORACK while the PSU is connected to the mains supply.
Connect switched-off desk and PSU first before you connect the PSU to the mains supply.
Lastly switch on desk.
1.2.2 Warranty
Please take the time to have the warranty card filled out completely by your specialized dealer, and return it
within 14 days after the date of purchase, so as to be entitled to benefit from our extended warranty. You may
also use our online registration option available on the Internet at www.behringer.com. You will find the serial
number of your MX2004A on the rear panel.
1.2.3 Packing
Your BEHRINGER EURORACK was carefully packed in the factory and the packaging was designed to
protect the unit from rough handling. Nevertheless, we recommend that you carefully examine the packaging
and its contents for any signs of physical damage, which may have occurred in transit.
+ If the unit is damaged, please do NOT return it to us, but notify your dealer and the shipping
company immediately, otherwise claims for damage or replacement may not be granted.
Shipping claims must be made by the consignee.
1.2.4 Rack mounting the MX2004A
Enclosed in the shipping box you will find a 19" rackmount kit. If you want to make your MX2004A a rack mixer,
loosen the screws from the side panels and use them to fix the rack ears (note, that there is a left and a right one).
+ Be sure that there is enough space around the unit for cooling and please do not place the
MX2004A on high temperature devices such as power amplifiers etc. to avoid overheating.
+ When switched on, parts of the desk and the power supply unit will become very warm, which
is normal during operation.
2. MONO INPUT CHANNEL
Each channel is equipped with a balanced line input 1/4" TRS connector , and an XLR microphone input
. Phantom powering is switchable from the back panel .
+ When using the microphone input please make sure nothing is connected to the same channel’s
line input, and vice versa.
The gain circuit has an unusually wide range, obviating the need for mic/line switching. The crucial operating
levels +4 dBu and -10 dBV are clearly and accurately marked .
2.1 Input level setting
Channel input level is determined by the GAIN control . Use the PFL/SOLO switch to bring the
channel input onto the left and right bargraph meters respectively. This also sends the PFL/solo-ed signal
to the left and right speakers.
2. MONO INPUT CHANNEL