User manual BEHRINGER EP4000

[. . . ] User Manual EUROPOWER EP2000/EP4000 Professional 2, 000-Watt and 4, 000-Watt Stereo Power Amplifier with ATR (Accelerated Transient Response) Technology Thank you Thank you for choosing a BEHRINGER EUROPOWER amplifier. This piece of high-end gear was developed for professional use in live applications, and its many features make it a useful and dependable part of your sound system. The EUROPOWER amps feature an input filter for each channel, enabling you to remove the low-frequency portion of the signal, if desired. Various operating modes, such as parallel or mono-bridged mode, open up various possibilities for effective implementation with the rest of your audio equipment for almost any application. [. . . ] The voltage is therefore doubled, the peak power is quadrupled, and program power is roughly three times as high as that of the individual channels. The input, output, gain, filter and limiter controls belonging to channel 1 are used when running in monobridged mode. To prevent signal cancellation due to internal phase inversion, the GAIN control belonging to channel 2 must be turned to its left-most position. Use this operating mode to route the power from both channels to a single 8-Ohm or 4-Ohm load. To use the binding posts as your output, you MUST use the two middle posts only. EUROPOWER EP2000/EP4000 User Manual Examples: · 2-channel (stereo) playback · Two independent mono signals, e. g. instrument signal and monitor mix · Bi-amp operation, whereby bass frequencies are run on channel 1, and high frequencies on channel 2 (see chapter 3. 2 "Bi-amping"). Parallel mode is identical to 2-channel mode, except for the inputs of both channels are internally connected in parallel. One input signal routes parallel both channels, while their filters etc. Examples: · A mono signal is fed into both channels, whereby amplification of each channel is controlled separately. · Parallel mode (as described above) with connection of an additional amp via the remaining free input connector. The input signal is present there and may be connected to further equipment. When connecting a balanced input signal, please make sure to exclusively use balanced cables for passing the signal further on. Otherwise, a single unbalanced cable can turn the entire signal unbalanced. Fig. 3. 2: DIP switch positions for 2-channel operation ENGLISH 7 8 EUROPOWER EP2000/EP4000 User Manual ENGLISH Fig. 3. 6: DIP switch positions for mono-bridged mode When running in mono-bridged mode, the voltage of both channels is added up and fed into a single loudspeaker system. There is one input and one output signal respectively, and only the controls of channel 1 (and not of channel 2) are used. However, should the DIP switches 4 and 5 still be in PARALLEL INPUTS position while in mono-bridged mode, the signal on the free input (input channel 2) can be forwarded to an additional amp. · Driving a single 4-Ohm loudspeaker. When the amp is overdriven for longer periods of time, the output signal may occasionally be muted for several seconds. In certain situations, excessive overdriving may trigger off the automated fuse. To avoid overdriving the amp, please continually make sure that an appropriate volume level is applied. ! 2-Ohm loads should never be applied when in mono-bridged mode. When connecting a balanced input signal, please make sure to exclusively use balanced cables for passing the signal further on. Otherwise, a single unbalanced cable can turn the entire signal unbalanced. Safety precautions for mono-bridged operation Running your amp in mono-bridged mode can quickly result in excessive overdriving and premature shutting down of the unit itself. [. . . ] The warranty regulations mentioned herein are applicable unless they constitute an infringement of national warranty law. § 2 Online registration Please do remember to register your new BEHRINGER equipment right after your purchase by visiting http://www. behringer. com and kindly read the terms and conditions of our warranty carefully. Registering your purchase and equipment with us helps us process your repair claims quicker and more efficiently. Free inspections and maintenance/repair work are expressly excluded from this warranty, in particular, if caused by improper handling of the product by the user. This also applies to defects caused by normal wear and tear, in particular, of faders, crossfaders, potentiometers, keys/buttons, tubes, guitar strings, illuminants and similar parts. [4]. [. . . ]