Mackie SRM550 Manuale del Proprietario Scaricare il pdf (Pagina 11)

Owner’s Manual

SRM550/SRM650 Loudspeaker: Rear Panel Features continued...

Toconnectbalancedlinestotheseinputs,usea

1/4"Tip-Ring-Sleeve(TRS)plug.“TRS”standsfor

Tip-Ring-Sleeve,thethreeconnectionpoints

availableonastereo1/4"orbalancedphonejack

orplug.TRSjacksandplugsareusedforbalanced

signalsandstereoheadphonesandarewiredasfollows

accordingtostandardsspeciedbytheAES(Audio

EngineeringSociety):

Balanced 1/4" TRS Connector

Sleeve–Shield(ground)

Tip–Positive(+orhot)

Ring–Negative(–orcold)

Toconnectunbalancedlinestotheseinputs,usea

1/4"mono(TS)phoneplug,wiredasfollowsaccording

tostandardsspeciedbytheAES(AudioEngineering

Society):

Unbalanced 1/4" TS Connector

Sleeve–Shield(ground)

Tip–Positive(+orhot)

Formoreinformationontheseconnectors,see

AppendixBonpage21.

4. Gain Knobs

Thegainknobsadjusttheinputsensitivityofthe

micandmic/line/RCAinputs.Thisallowssignalsfrom

theoutsideworldtobeadjustedtorunthrougheach

channelatoptimalinternaloperatinglevels.

Thereis–

dBofgainwiththeknobfullydown

(off),rampingupto50dBofgainfullyup(max).

TheaccompanyingLEDwillilluminategreenwhen

thechannel’sinputsignalispresent,indicatingsignal.

Itwillremainlitsolongasthereissignalabove

–20dBupresentinthatchannel.

SLEEVE

TIP

SLEEVE

TIP

RING

TIP

SLEEVERING

Balanced 1/4" TRS Connector

SLEEVE

TIP

SLEEVE

TIP

SLEEVE

Unbalanced 1/4" TS Connector

TheaccompanyingLEDwillilluminateredwhenthe

amplierintheSRMloudspeakerisneartheclipping

point.ItisokayifthisLEDblinksoccasionally,because

thismeansthatthetransientpeaksarejustreaching

themaximumoutputoftheampliersandyouare

gettingthemostoutofyourloudspeaker.

Ifconnectingmixeroutputstoloudspeaker

inputs,setthegainknobto10:00[“Line”]

foroptimalsoundandperformance.

5. RCA Inputs [Channel 2 Only]

ThestereounbalancedRCAinputsallowyouto 

playaCDplayer,iPod

,orotherline-levelsource. 

TheRCAjacksacceptanunbalancedsignalusing

standardhi-[RCA]hookupcables.

NEVERconnecttheoutputofanamplier

directlytotheinputoftheloudspeaker.

Thiscoulddamagetheinputcircuitry

oftheactiveloudspeaker.

Theyarewiredasfollows,accordingtostandards

speciedbytheAES(AudioEngineeringSociety):

Unbalanced RCA Connector

Sleeve–Shield(ground)

Tip–Positive(+orhot)

 Formoreinformationontheseconnectors,see

AppendixBonpage21.

TIPSLEEVETIPSLEEVE

Unbalanced RCA Connector

SIG/OLSIG/OL

3 5 6

8 9 10

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 27 28

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Mackie SRM550 Manuale del Proprietario Pagina 11

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