Version 1.1 January 2001 EURORACK ® www.behringer.
EURORACK MX2642A SAFETY INSTRUCTIONS CAUTION: To reduce the risk of electrical shock, do not remove the cover (or back). No user serviceable parts inside; refer servicing to qualified personnel. WARNING: To reduce the risk of fire or electrical shock, do not expose this appliance to rain or moisture. This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock.
EURORACK MX2642A FOREWORD Dear Customer, Welcome to the team of EURORACK users and thank you very much for expressing your confidence in BEHRINGER products by purchasing the MX2642A. It is one of my most pleasant tasks to write this letter to you, because it is the culmination of many months of hard work delivered by our engineering team to reach a very ambitious goal: making an outstanding device that will become a standard tool used by studios and P.A. companies.
EURORACK MX2642A EURORACK ® Professional 26-Input 4-Bus Mixing Console s Extremely high headroom offering more dynamic range s 4 assignable subgroups for multitracking / mixing s 8 mono input channels with insert points and direct outputs s Ultra low-noise discrete mic preamps with +48 V phantom power s 4 stereo input channels s 4 additional multifunctional stereo line inputs with aux sends s 6 aux sends, with aux 1 & 2 switchable pre-/post fader s Ultra-musical 4-band EQ on stereo channels s Parametr
EURORACK MX2642A TABLE OF CONTENT 1. THE MANUAL ........................................................................................................................................ 6 1.1 Nomenclature .................................................................................................................................. 6 1.2 Keys ............................................................................................................................................... 6 2.
EURORACK MX2642A 1. THE MANUAL Congratulations! In purchasing our EURORACK MX2642A you have acquired a mixer whose small size belies its incredible versatility and superlative audio performance. Your EURORACK is built to the same outstanding quality as our top-of-the range console, the BEHRINGER EURODESK MX9000. The MX2642A offers you a choice of mono and stereo input channels, four assignable subgroups, and four stereo line inputs.
EURORACK MX2642A 2. EURORACK OVERVIEW The configuration is 26 into 4 into 2. This means that there are 26 inputs in total (8 mono and 4 stereo channels, 4 stereo line inputs, and an extra 2-track stereo input which can also be routed to the main mix. 2 stereo (or 4 mono) subgroups are provided for connecting to multitrack tape recorders, or for use as an aid during mixdown or a live concert mix. 2.1 Architecture Mono Input Channels Channels 1 - 8 are mono, with a choice of balanced mic or line inputs.
EURORACK MX2642A 2.3 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. 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.
EURORACK MX2642A There is +15 dB of gain on every aux send. Such a high boost is usually only appropriate where the channel fader is set around -15 dB or lower. Here, an almost exclusively wet signal will be heard. In most consoles, such a wet mix requires the use of a pre-setting for the channel aux send, losing fader control. With the EURORACK you can have a virtually wet mix with fader control. 3.4 Routing, Fading and Muting Routing means selecting which bus you want a channel to address.
EURORACK MX2642A 4.3 Aux Sends These are the same as for mono channels (see 3.3). Note that a mono sum is taken from the stereo input. 4.4 Routing The only difference here from the mono channel described in 3.4 is in the implementation of the BALANCE control. When a channel is run in stereo, this control functions as a BALANCE control, determining the relative balance of the left and right channel signals being sent to the left and right main mix buses (or maybe odd and even group buses).
EURORACK MX2642A 5.4 Inserts Insert points are useful for adding dynamic processing or equalization to a channel, the main mix or a group. Unlike reverbs etc., which are usually added to the dry signal, dynamic processing is normally applied across an entire signal. Here an aux send would be inappropriate. Instead the signal is intercepted somewhere along the channel, fed through the dynamics processor and/or EQ, then returned to the console at the same point where it left.
EURORACK MX2642A Instrument Inputs The stereo line inputs may be used as extra instrument inputs, especially if your MIDI keyboard or rack supplies a pre-mixed stereo signal. When using the stereo line inputs as extra instrument inputs, you have access to the aux buses for effects processing. Effects (Aux) Returns The stereo line inputs may be used for returning the outputs of effects units. Often it is useful to be able to send an effect into another effect.
EURORACK MX2642A 6.5 2-Track Input and Output Input The 2-track input is on balanced 1/4" TRS jacks at +4 dBu, and is primarily for auditioning mix playback from tape. S46 routes this signal to the monitors. However, it can also be routed to the main mix via S44.
EURORACK MX2642A 7. CONNECTIONS 7.1 Relocating the Connector Panel A moveable panel houses all connection sockets to the EURORACK, except that to headphones. The EURORACK comes supplied with this panel fixed to the rear of the unit, ready for flat-mounting the console. If you want to rack mount your EURORACK, you will probably want to re-locate the connector panel to a more convenient site on the underside of the chassis. s Lay the EURORACK on a soft surface, face down.
EURORACK MX2642A Fig. 7.1: Different plug types Fig. 7.2: Headphones connector / insert send & return connector 7.
EURORACK MX2642A 8. SETTING UP 8.1 Selecting Inputs 1) Mono channels accept mic or line inputs. If you are using the mic input, make sure nothing is connected to the line input (and vice-versa). + The mic inputs are more sensitive than the line inputs. Do not connect mics with phantom power switched on. NEVER use unbalanced mic cables with the phantom power switched on ever! Shorting +48 V to earth can cause serious damage. 2) Stereo channels accept -10 dBV or +4 dBu line level signals.
EURORACK MX2642A 8.6 Recording Levels When recording to digital, its a good idea to keep the recorders peak meters below 0 dB. Most (not all, esp. samplers) read 0 dB with some headroom left. This is because, unlike with analogue, the onset of digital distortion is as sudden as it is horrible. If you really want to take your recording level to the limit (and fully exploit 16-bit digitals 96 dB dynamic range), youll have to do some calibrating.
EURORACK MX2642A 9. APPENDIX Fig. 9.1: MX2642A front view 18 9.
EURORACK MX2642A Fig. 9.2: MX2642A rear panel 9.
EURORACK MX2642A Fig. 9.3: MX2642A block diagram 20 9.
EURORACK MX2642A 10. SPECIFICATIONS Input Channels Mic Input Mic E.I.N. (22 Hz - 22 kHz) Distortion (THD & N) Gain Range Max Input (Mic) Line Input Gain Range Max Input (Line) Channel Fader Range Aux Send Gain Range Electronically balanced, discrete input configuration -129.0 dBu, 150 Ohm source -117.3 dBqp, 150 Ohm source -132.0 dBu, input shorted -122.0 dBqp, input shorted 0.
EURORACK MX2642A 11. WARRANTY § 1 WARRANTY CARD/ONLINE REGISTRATION To be protected by the extended warranty, the buyer must complete and return the enclosed warranty card within 14 days of the date of purchase to BEHRINGER Spezielle Studiotechnik GmbH, in accordance with the conditions stipulated in § 3. Failure to return the card in due time (date as per postmark) will void any extended warranty claims.
