CARE OF YOUR MIXER

 

 

 

 

Genera l Preca utions

Avoid storing or u sing the m ixer in cond itions of excessive

 

heat or cold , or in p ositions w here it is likely to be su bject to

 

vibration, d u st or m oistu re.

 

Keep the m ixer clean u sing a soft d ry bru sh, and an

 

occasional w ip e w ith a d am p cloth or ethyl alcohol. Do not

 

u se any other solvents w hich m ay cau se d am age to p aint or

 

p lastic p arts.

 

Avoid p lacing d rinks or sm oking m aterials on or near the

 

m ixer. Sticky d rinks and cigarette ash are frequ ent cau ses of

 

d am age to fad ers and sw itches.

 

Regu lar care and insp ection w ill be rew ard ed by a long life

 

and m axim u m reliability.

 

 

 

Glossary

auxiliary send

 

an ou tp u t from the console com p rising a m ix of signals from

 

channels and grou p s d erived ind ep end ently of the m ain

 

stereo/ grou p m ixes. Typ ically the feed s to the m ix are

 

im p lem ented on rotary level controls.

balance

the relative levels of the left and right channels of a

 

stereo signal.

clipping

the onset of severe d istortion in the signal p ath, u su ally

 

cau sed by the p eak signal voltage being lim ited by the

 

circu it’s p ow er su p p ly voltage.

dB (decibel)

a ratio of tw o voltages or signal levels, exp ressed by the

 

equ ation d B=20Log10 (V1/ V2). Ad d ing the su ffix ’u ’ d enotes

 

the ratio is relative to 0.775V RMS.

D I(direct injection)

the p ractice of connecting an electric m u sical instru m ent

 

d irectly to the inp u t of the m ixing console, rather than to an

 

am p lifier and lou d sp eaker w hich is covered by a m icrop hone

 

feed ing the console.

direct output

a p ost fad e line level ou tp u t from the inp u t channel, byp assing

 

the su m m ing am p lifiers, typ ically for send ing to ind ivid u al

 

tap e tracks d u ring record ing.

equaliser

a d evice that allow s the boosting or cu tting of selected

 

band s of frequ encies in the signal p ath .

Pa ge 25

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SoundCraft Spirit Live 4 manual Care of Your Mixer, Genera l Preca utions