SoundCraft Spirit Monitor User Manual

Page 1

Avoid running audio cables or placing audio equipment,close to thyristor dimmer units or power cables.Noise immunity is improved significantly by the

The Block Diagram is a representative sketch of all the com-ponents of the console, showing how they connect togetherand how the signal flows through

GETTING TO KNOW YOUR CONSOLEFACILITIESRefer to the fold-out front panel diagram at the rear of thismanual, which shows the control functions on the SP

The insert point allows limiters, compressors and other signalprocessing units to be added as required to particular inputchannels and because it is l

8. EQUALISERThe Equaliser(EQ) comprises three sections. The upper con-trol provides H.F.(treble) boost and cut of +/-15dB. Thelower two pairs of kno

suppressed very precisely.9. MONITOR SENDSThese controls route the input channel signal to any one ormore Monitor busses and the associated Monitor Ou

can be made or problems traced.When the PFL switch is released the LED on the channelserves as a PEAK indicator, to warn when an excessively highsigna

switch is pressed (LED illuminated).4. HI-PASS FILTERA variable frequency filter is provided covering a range of20Hz to 200Hz., and this is always

small screwdriver, taking care not to damage the trimmer.9. FADERA linear fader controls the overall level of each output. Unitygain is at the to

or plugged in via a cable.6. BARGRAPH METERA sixteen segment, three colour bargraph meter provides vis-ual monitoring of WEDGE/PFL level. Normally th

© Soundcraft Electronics Ltd. 1991 All rights reservedIssue 1 Part No. ZZ2727Information in this manual is subject to change without notice and doe

the bargraph reading.13. HEADPHONE VOLUMEThe master volume control for the wedge or PFL signal beingfed to the headphone socket (4).14. WEDGE FADER

• Adjust the input gain until the meter is just reaching theamber section (0dB) at a typical maximum source level.This allows sufficient headroom to

cessful sound mixing. The aim should be to place the microphone as close as physi-cally possible to the source, to cut out unwanted surroundingsounds

CARE OF YOUR MIXERGeneral Precautions Avoid storing or using the mixer in conditions of excessiveheat or cold, or in positions where it is likely to b

(sub) group an output into which a group of signals can be mixed.headroom the available signal range above the nominal level before clipping occurs.

Selectable OptionsThe eight channel Monitor Sends are factory set as POSTFADE, but may be altered to PRE FADE in blocks of four (1-4and 5-8) by reposi

SPECIFICATIONSTypical Figures for a 24 Channel ConsoleMeasured RMS, 22Hz to 22kHz BandwidthE.I.N.Microphone Input, -128.5dBumax gain, 150ROUTPUT

Outputs 75ΩINPUT & OUTPUT LEVELSMic Input Maximum Level +10dBuLine Input Maximum Level +30dBuAny Output Maximum Level +21dBuMETERING

312312331122SSYYSSTTEEMM BBLLOOCCKK DDIIAAGGRRAAMM▲▲▲▲Page 28

User Guide ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Basic Principles of Monitor Mixing

INTRODUCTIONCongratulations on your purchase of a SPIRIT Monitor mixer.Owning a Soundcraft console brings you the expertise andsupport of one of the i

Above all, remember that your SPIRIT mixer is designed toextend your creativity. The more you explore the controlsand the effect they have on the sou

The mixer is split into two sections. The Inputs receive, matchand process individual source signals, and distributes them atprecise mix levels to a c

The Wedge output refers to the engineer’s own monitoringoutput, which will typically feed a floor-mounted ‘wedge-shaped’ speaker via a suitable power

GETTING STARTEDCONNECTIONS AND CONNECTORSAlthough this may seem a simple subject, faulty connectors andcabling are the source of most sound system pro

Balanced and UnbalancedAll channel inputs are balanced, i.e. there are separate+ve(hot) and -ve (cold) wires for each signal plus a ground.The design