Soundcraft GigRac-1000 2x500W Stereo Powered mixer with effects

Soundcraft GigRac 1000- 2x500W Stereo Powered mixer with 7 -band EQ & FX "The Box that Rocks" - 1000 watts of GigRac power Launched to much acclaim in January 2006, the very easy to use GigRac family of powered mixers for gigging bands and presentation systems has been joined by the most powerful version yet — the stereo GigRac 1000st, which delivers a massive 1000 watts of output power (500 watts per channel into 4 ohms). Dubbed "The Box that Rocks", the new family member has the same cool styling of the GigRac 300 and 600, but is a more powerful full stereo version, featuring expanded 3-band EQ on the inputs, two 7-band graphic equalisers and 10 high-quality preset digital effects. The 1000st is slightly higher than its brothers at 5U (8.75 inches/223mm) but still the GigRac 1000 makes it easy to set up your own PA, needing just speakers and cables to complete a system which delivers awesome power and performance. Get from mic or guitar to a great sound in no time at all. Everything you need is provided, in a stylish and professional package that comes in a robust case which protects your GigRac on the move, stores your cables and allows you to carry it over your shoulder. As with the GigRac 600 model, there are two output signal paths, one for the main front-of-house output and one for stage monitors. In normal stereo use, the two power amps deliver a full 500W of power (@ 4 ohms) to the Main (FOH) output, but the 1000st can be switched to provide 500 watts to the Main output and 500 watts to the Monitor outputs. Other additional features include pan controls for the inputs to the stereo bus, a stereo graphic EQ on the main output and a 7-band mono graphic EQ on the monitor output, 12-segment bar graph meters for both Main and Monitor outputs, a stereo playback input (for CD playback, for example) and a stereo submix input. In standby mode all channels are muted until the band is ready to play, while the playback input remains active for interval music. Don’t worry about the weight, however, as the 1000st features a lightweight switched-mode PSU, derived from years of successful switched-mode design at Soundcraft and BSS. FEATURES:

Amplifier Assignment Switch: The amplifier assignment switch on the GigRac 1000 allows both the main and monitor mixes to be powered through the 2 internal 500 Watt amplifiers, giving you completely flexible monitoring options for any performance situation. In small venues, it may be desirable to use one of the internal amplifiers to power a monitoring wedge for the band to hear, while the other amplifier powers a speaker for the audience. This is simple to set up on GigRac, by pressing the amplifier assignment switch in. For larger venues or outdoor use, it will be preferable to provide as much front-of-house (audience) sound as possible. In this case, both internal amplifiers can be used to power the main mix, by having the amplifier assignment switch out. To further enhance monitoring options, additional main and monitor mix outputs for the connection of additional 'powered' speaker cabinets are provided on GigRac's front panel. Soundcraft's Studio digital quality effects: GigRac 1000 has a total of 10 studio-quality digital effects built-in, adding a professional finish to your performance. You can select from 5 reverbs simulating 5 different room sizes, a chorus/reverb and 2 echo/delays, used to ‘thicken’ vocal performances. Crucially, GigRac allows the digital effects to be added individually to the Main and the Monitor mixes, so you can hear the mix ‘dry’ on headphones and via monitors, while the audience hears the Main mix complete with stunning digital effects. And by connecting a footswitch, it’s possible to turn the effects on and off during a performance. In addition to the GigRac’s own built-in digital effects, it’s also easy to connect an external effects processor via the FX outputs on the front panel. The FX send level controls on the channel strips can then be used in the usual way and the output of the external processor can be plugged into either a channel or the submix input. Tip: Digital reverb is best used in venues which don't have a big acoustic - i.e. where the sound stops immediately after the signal source is taken away. In these cases, adding reverb enriches the performance. However, if you're performing in a venue which is already quite reverberant (such as a large concert hall), don't add any more reverb. This will just make your performance sound 'muddy'. Tip: Avoid adding too much reverb to the monitor mix. While the audience may benefit from reverb, it is better for the band to hear their performance 'dry' - without too many effects added.

FX outputs and Submix input (Send and Return) In addition to the GigRac’s own built-in digital effects, it’s also easy to connect an external effects processor via the FX outputs on the front panel. The FX send level controls on the channel strips can then be used in the usual way and the output of the external processor can be plugged into either a channel or the submix input. If you want to turn the effects on and off during the performance, GigRac's FX footswitch socket makes connection easy. It accepts all standard single-throw footswitch designs. The Submix input can be used as either a return for an external effects processor or as an additional, fixed level input for equipment such as CD and MP3 players.

7- band Graphic EQ Even with the same setup, a performance can sound very different from one venue to the next. The way in which sound waves reflect and interact with surfaces and objects within a room (the acoustics) change the tonal quality of the overall sound, boosting some frequencies (sometimes to the point of feedback) and reducing others. That's why the GigRac 1000 is equipped with 2 graphic equalisers, enabling the operator to boost and cut frequencies at 7 points to 'tune' the overall sound both for the front of house and monitor outputs to suit the acoustics of the particular venue. It's a process that professional sound engineers are familiar with as they tour from venue to venue. And because GigRac's so easy to use, a little practise is all you'll need to achieve professional results too. If you've never used a graphic equaliser before, follow these guidelines: Start with all sliders on their '0' mark. Now listen to your overall mix and analyse what the sound lacks or has too much of. If it sounds too piercing, that's an indication that the high frequencies are too loud. If it sound boomy, it's an indication that the low frequencies are too loud. Next, use the faders to boost or reduce the level of the fader that most closely matches the frequency you think is a problem. The trick is to move the faders by small amounts initially. Don't push them too far or you'll end up with an unbalanced mix. To get rid of feedback, start with all sliders on their '0' mark and set the master volume to a level just below where feedback occurs. Moving only one slider at a time, slowly boost the level until feedback occurs (if at all) and then move it back to '0'. Do this for all 7 sliders. Now reduce the level of the slider which had to be boosted the least before feedback occurred. It will now be possible to increase the master volume without feedback.

Professional Equipped Input Channels Soundcraft equalisation (EQ) is a legend amongst professional sound engineers and renowned the world over for its precision and musicality. At the top of all 8 GigRac input channels you'll find a classic Soundcraft 3-band EQ section comprising of treble and bass rotary controls, allowing sophisticated tone shaping of the microphone or instrument connected. Next comes a line of 8 FX controls, used to set the signal level sent from each channel to the GigRac's digital effects processor (see Studio Quality Effects). The higher the FX send level, the more of the effect is added to the sound of that channel. For example, you may want a lot of reverb on the vocal mics plugged into channels 1 and 2, less on the vocal mics plugged into 3 and 4, and less still on the instruments plugged into the remaining channels. With GigRac, you're in control. Beneath the FX controls are the blue and red Monitor and Main channel level controls. These control the individual volume levels of all eight channels in 2 separate overall mixes: Monitor being what you and the band hear on stage via your monitor speakers and Main being what the audience hears via the main speakers. It's important to have independent Monitor and Main mixes as performers often need to hear certain elements of the mix louder (for example a piano or main instrument for reference), whereas the audience would require a balanced mix. The overall volume level of the Monitor and Main mixes is controlled via the master volume controls to the right of the channel strips. All 8 GigRac input channel have combined balanced jack/XLR input sockets to accommodate the widest possible range of microphones and instruments, and to minimise distortion and noise. The Pad switch at the bottom channels 1 to 4A is used to cut the level of particularly high output microphones which can cause distortion by overloading the input. Channels 5 and 6 of the GigRac feature alternative stereo phono inputs beneath the combined XLR/jack connector, making it easy to plug in a CD player, record deck, MP3 player of MIDI file player. Perfect for playing pre-recorded music before and after your performance, this facility also makes GigRac ideal for use in a wide variety of other applications including fitness clubs, outdoor events, etc. Channels 7 and 8 have an additional single jack input designed to be used in conjunction with the combined XLR/jack connector. This allows direct connection of stereo keyboards, samplers and other audio devices.

Precision LED Metering 10-segment precision LED metering gives a clear indication of how hard the amplifier(s) is working and helps you keep an eye on your levels. As the main and monitor master volume levels are increased, more signal is sent to the amplifier(s). For the best results, the master volume should be set so that all the white LEDs are illuminated most of the time, and one or both of the red LEDs are illuminated very occasionally. The signal level sent to the amplifier is a product of the individual channel levels and the master volume settings. There are different ways of achieving the same results on the LED metering. The master volume controls could be boosted to compensate for low individual channel levels and vice versa. The way in which these controls are balanced against each other will affect the 'signal-to-noise ratio' of the output. Signal-to-noise ratio is the amount of direct, performance sound that you can hear compared to the amount of unwanted background hiss. The following guidelines will help you configure GigRac to get the best signal-to-noise ratio (i.e. the least unwanted background hiss). Before building up a mix, position the master volume control(s) half-way between 0 and 10. Now create a mix so that the white LEDs on the metering are illuminated most of the time during performance. You now have the flexibility on the master volume control(s) to increase the level if required without overloading the amplifier. The master volume(s) can also be turned down if the performance sound is too loud, without adversely affecting the signal-to-noise ratio of the mix.   In the event of dangerously high signal levels, GigRac has failsafe protection circuitry, so you'll never have to worry about distortion in your performance. If the signal level(s) is too high, the clip/protect LED(s) will illuminate until the signal has returned to an acceptable level. While the clip/protect LED(s) is illuminated, protection circuitry prevents the audio signal from distorting.

Record, headphone and mix outputs GigRac is packed with a comprehensive and flexible range of monitoring options. You can plug in a pair of headphones for precision-listening during soundchecks and there are independent outputs for both the main and monitor mixes for the connection of additional ‘powered’ speaker cabinets. A pair of RCA/phono outputs are perfect for recording the main mix onto an external DAT or CD recorder, or for recording your performance on computer using an appropriately-equipped soundcard.

Phantom Power Just like a professional mixing console, GigRac provides the +48V phantom power required by high quality condenser microphones. Phantom power is a system of providing 48 volts of power from the mixer to the microphone. It's referred to as 'phantom' because, although it's sent along the same wiring as the audio signal, there are no audible effects to the audio. So it's effectively invisible. Phantom power is supplied to the first four channels of GigRac. Don't worry if you're using both condenser microphones and other microphones which don't need this power. Phantom power is only 'seen' by microphones which need it. It can be supplied to other microphones without any damage or audible side effects. And so you're never left in doubt, a red LED illuminates on GigRac's front panel to make it clear that phantom power is turned on.

Master volume controls GigRac lets you adjust the overall volume of the main and monitor mixes independently, for total flexibility in live performance situations. If the venue is small and the audience are close to the band, it may be wise to keep the monitor mix volume as low as possible. With the audience further away in a larger venue, you have the option to turn up the monitor mix for the band to listen to. Application Perfect for bands who need versatility and power in small and medium sized venues giving you 1000w of output power or two lots of 500w to the monitors and front of house Noise EIN 150 ohms 20 -22khz (CH1 - CH4) -123 dBu   EIN 150 ohms 20-22khz (CH5 - CH6) -123 dBu   Main out (Level control mid) -78 dBu   Mon out (Level control mid) -80 dBu   Amp out -57 dBu Crosstalk Main cutoff -80 dB   Mon  cutoff  -80 dB Frequency Response 20 - 22Khz rel 1Khz Line in to Main out +0.2/-2.6 X dB THD+N Mic i/p -20dB Pad 0dBu I/P at Main out (22Hz-22KHz) 0.15%   Mic i/p to Amp Out @ full power (22-22KHz) 0.15% Inputs Ch1 - Ch4 Mic Input Impedance 5.5 KΩ   Line Input Impedance 30 KΩ   Max Input Mic ( 20dB pad ) -3.5 dBu   Max Input Line( 20dB pad ) 10 dBu   Max Mic gain to main out 60 dBu Inputs Ch5 - Ch8 Mic Input Impedance 2.4 KΩ   Line Input Impedance 40 KΩ   Max Input Mic -18 dBu   Max Input Line 3 dBu   Max Mic gain to main out 50 dBu Outputs Max out main / mon 18 dBu   Power Output Gigrac 1000 2 X 500W ref 4 Ω Connectors Mic Balanced XLR combi connectors All Jacks are 3 - pole ¼" Line Jack / combi connectors / RCA phono   FX bus Jack   Submix in Jack   Main out Jack   Mon out Jack   Record out RCA phono   Phones Jack   Speakers Speakon Dimension Width x Height x Depth (mm) 495 x 267 x 322 Weight GigRac 1000 (kg) 12kg

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