Community CSX Manuel utilisateur

LOUDSPEAKER SYSTEMS

OWNER'S MANUAL

Note: All CSX products referred to in this manual

apply to both CSX products and CSX-S2 products

CSX-S2, CSX & CSV SERIES

Table of Contents

Welcome to the family of Community ...................... 1

Do a quick inspection of the carton and cabinet ..... 1

Wiring up the speaker to your amplifier .................. 1

What amplifier should you use?................................ 4

Using the CSX40, CSX50 and CSX60

subwoofer systems................................................. 6

CSX70 input panel switch.......................................... 7

Stacking or installing the loudspeaker cabinets....... 7

Loud Sound - Please be careful! ................................ 8

Return Shipping Instructions .................................... 9

Transferable Warranty (Limited) ............................. 9

CAUTIONS AND WARNINGS .............................. 13

Welcome to the family of Community!

You’vejoinedthegroupofpeoplethathavechosenhigh-quality

Community loudspeaker systems and components for over 30

years. We’re really glad you did and we’ll do our best to make

sure you are satisfied!

In order for you to get the most effective use of this product,

please take a few minutes to read this manual.

Do a quick inspection of the carton and enclosure

Community uses excellent enclosure materials, components,

assembly techniques and quality-control testing to help ensure

you’llgetthebestqualityproductforthemoney. Thepackaging

and shipping methods are chosen so the unit arrives in factory-

fresh condition to you. It is possible, however, that something

can happen to the unit on its journey from the factory to you.

Takealittletimetocarefullyinspecttheunit. Lookfordamage

tothecarton(rips,tears,punctures,crushedcorners,etc.)andto

theunititself. Ifyounoticeaproblem,immediatelycontactyour

dealer for assistance.

Wiring up the speaker to your amplifier

You need to use proper cable and good quality connectors for

speaker wiring. Using guitar cords or zip cord (used for table

lamps) may degrade the performance of your loudspeakers. If

your speaker cables will be less than 25' long, 16-gauge (1.5

mm2)strandedtwisted-paircablewillbeadequate. Ifyou need

longer cables, you should use 14- or 12-gauge (2.5 mm2 or 4

mm2) stranded cable. Rubber-jacketed cable is an excellent

choice if you wish to have reliable performance, as this type of

cablewillsurviveharduseandremainsflexibleevenifexposed

tocold. Ifyou’reitisunlikelythatpeoplewillwalkonorheavy

objectswillberolledoverthecablesyoumayalsousecablewith

a vinyl (PVC) jacket. If you decide to go with the rubber-

jacketedcable,askyoursupplier for typeS,SO,orSJ cable, all

of which will be suitable.

Theloudspeakerconnectionpanelissuppliedwithtwo1/4"

phone jacks and two NeutrikTM SpeakonTM NL4MPR

connectors. NeutrikSpeakonNL4FC(thematingconnector

for the Speakon NL4MPR), phone plugs, cable and/or pre-

assembled speaker cables are readily available at most

Communitydealers. Keepinmindthatthecontactsurfaceof

the tip of a phone plug is very small and if the jack or plug

gets dirty or the plug is accidentally kicked or hit, the

connectionmaybecomeintermittent.

Speakonconnectorsweredesignedspecificallyforhigh-power

speaker application and therefore have a large contact surface

area which is self-cleaning every time they are plugged or

unplugged. Speakon connectors also lock together making it

virtually impossible for them to accidentally come loose. For

addedprotection,properly-assembledSpeakonconnectorshave

abuilt-instrainrelieffor thecable. Youwon’tneeda soldering

irontoconnectthecabletotheconnector-juststripthecableand

twist the strands together, then insert into the copper sleeve.

Insert the copper sleeve/wire combination into the hole and

tightenthescrewwhichclampsdownonthecoppersleeve. For

an even better electrical connection you may choose to solder

each connection, but be careful as it is easy to melt the plastic

connector.

It’sveryimportanttowireyourSpeakonorphonejackconnectors

exactly the same at each end of the cable. This is necessary to

maintain proper polarity. All quality cables have either color-

codedinsulationoraveryclearwayofmarkingthewireswhich

makeupthecable. Iftheinsulationisnotcolor-coded,theremay

be a rib molded into the side of the jacket material. In the pro

sound industry, the black or darker colored insulation material

istypicallyusedasthe“low”side,whichconnectstothesideof

the Speakon connector with the lug marked “1-”. For a phone

jack,thisconductorconnectstothe“sleeve”orbodyofthejack.

Ifthecablesarewiredincorrectly,therewillbesignificantlyless

low-frequency output from your system.

Typical CSX/CSV Series Input Panel

Neutrik Speakon Connector and

2-Conductor 1/4" Phone Plug

(Note position of light colored conductor)

What amplifier should you use?

Thereareseveralthingsyoushouldkeepinmindwhenselecting

an amplifier.

First,youneedanamplifierwithenoughoutputpower. Evenif

youarenotplanning to runyoursystemveryloud, an amplifier

needstohaveenoughpowersothatthedynamicsofspeechand

music will not cause “clipping.” A solid-state amplifier that is

pushed beyond its output power capability will distort badly

(clip signals). Not only does this sound bad, but the effect on a

low frequency speaker or mid- or high-frequency driver is

similartohittingtheconeordiaphragmwithahammer. Because

ofthis,toosmallanamplifiercanbemoredamagingtospeakers

than one that seemingly has too much power. Peaks in speech

or music signals can easily exceed the average power levels by

a factor of ten. If your amplifier is not big enough, these peaks

becomeclippedanddistorted.

The impedance or speaker load the amplifier "sees" is very

important. If the amplifier is not rated for the impedance load,

the internal protection circuitry of the amplifier may prevent

full-power output. Additionally, if the amplifier is not of high-

quality or does not have good internal protection against over-

load,theamplifiermaybedamaged-orthespeakersconnected

to the amplifier may be damaged.

When you connect two speakers together so that both speakers

work off one amplifier channel, you are connecting them in

parallel. Two speakers connected in parallel do not have the

sameimpedanceasonespeaker. Knowingthecombinedimped-

anceisveryimportantwhenselectinganamplifier. Youneedto

selectanamplifierthatwilloperateatthecombinedimpedance

and produce enough power for both speakers. Check to make

sure the amplifier you wish to use will match this requirement.

To figure out how much power you need, just add the program

power of the two speakers. The drawing below shows the

combined impedance for two 4 ohm and two 8 ohm speakers

connectedinparallelandtheircombinedpowerrequirements.

Communityloudspeakersystemshavetwospecifiedinputpower

ratings given - one is called “continuous” or “RMS;” the other

“program.” Thesetworatingsaregiventohelpyouunderstand

theoperatingcapabilitiesofthesystem. Ifyouaregoingtoplay

musicwhichhasverylittledynamicrange(suchassynthesizers

orheavy-metalguitar) throughthesystem,the“RMS”ratingis

theoneyouneedtoconsider. Ontheotherhand,ifyourmaterial

is composed of lots of dynamics (such as vocals, drums, short

guitar riffs, etc.) you should use the “program” rating.

All Community CSX/CSV loudspeakers have built-in special

protectioncircuitry:PowerSenseTM DDP(DynamicDriverPro-

tection). This circuitry continuously monitors the operating

power levels of all speaker system components and provides

Two 8 ohm Speakers in Parallel per Channel

Two 4 ohm Speakers in Parallel per Channel

both over-current and thermal protection. A combination of

electroniccomponentsareused,firsttoabsorbexcesspowerand

then ultimately to switch the speaker components to a lower

powerlevel. Ifyouputtoomuchpowerintothespeakersystem,

you’llnoticewhatappearstobelampsflashingonandoffinside

thespeaker(you’llbeabletoseethisthroughthebassports). If

you continue to apply too much power, you’ll hear the sound

level reduced by a noticeable amount. You should then reduce

the signal level to the speaker system. Within a short time, the

circuitry will automatically reset and will return to normal

operating capability. Unlike many other protection circuits,

there are no fuses or other user-serviceable devices in the

crossovercircuitry,whichmakesyourCommunityloudspeaker

system one of the least-likely items to let you down.

Using CSX40, CSX50 and CSX60 subwoofer systems

WhileallCommunityfull-rangespeakersystemshaveremark-

ablebassoutput, therearesituations whereyoumayneedmore

as provided by the CSX40, CSX50 and CSX60 subwoofers.

A very special feature of these products is that they have built-

incrossoverswith high-passoutputs. Thismeans thatyoumay

use one channel of your power amplifier to power both a

subwooferandafull-rangespeaker,whilemaintainingareason-

able load on your amplifier. The amplifier only sees the

subwoofer/crossover load which is 4 ohms for CSX series

subwoofers. Without the built-in crossover, the combined

impedance of full-range and subwoofer speakers in parallel

wouldbemuchlower. Manyamplifiersarecapableofpowering

verylow-impedanceloads,butsomecannot. Thisfeatureneatly

addresses that problem. Also, the high-pass crossover output

removestheverylow bassfrequenciesfromthe signalgoingto

the full-range speaker. This prevents distortion (and possible

damage)fromexcessivelow-frequency energy gettingintothe

full-rangespeaker.

WhenconnectingaCommunitysubwoofertoafullrangesystem

using the subwoofer’s “Output for Fullrange System”, the

subwoofer/fullrangesystem’scombinedimpedanceandpower

handling is equal to the subwoofer’s. This is illustrated in the

drawingbelow.

CSX70 input panel switch

WhenusingtheCSX70 inaquietroom,this switchreducesthe

mid-frequencyoutputofthesystem. Iftheroomfillsupandgets

noisy - and you need to give the mids an extra “kick” - just flip

the switch and you’ll have more vocal impact!

Stacking or installing the loudspeaker enclosures

Common sense is a good guide. If you stack speakers, be sure

theyareonastablesurface. Ifthereisanydangerofthespeakers

beingknockedoverwhenstacked,don’tstackthem! Youneed

togetthespeakersuphighenoughsothatallofthesounddoesn’t

“blow away” the people nearest to the speakers, but piling

speakers on top of a small pedestal table is asking for trouble.

Several models of the CSX speakers have a socket for use with

tripod stands. While stands offer convenience, you must be

carefultheyarepositionedsothatnoonecantripoverthestand

or knock over the loudspeaker.

Subwoofer/Fullrange System Connection and Powering

All Community CSX/CSV loudspeaker enclosures are pro-

videdwith5/16"-18thread“T-Nuts”(captivethreadedinserts)

in the sides of the enclosures for hanging or mounting. The

accessory CSSUPKIT provides two steel straps that attach to

these inserts for connecting rigging to the enclosure. The

smallermodelsmaybemountedfromwallsorceilingsbyusing

the accessory WB-1 or WB-8 brackets.

WARNING:Foryourprotection,undernocircumstancesshould

any loudspeaker be mounted or suspended in a public place

unlessthemountingmethodhasbeenapprovedandcertifiedby

aregisteredProfessionalEngineer.

Loud Sound - Please be careful!

Communityloudspeakersarecapableofgeneratinghighsound

pressure levels. Long exposure to sustained loud sound may

causehearingimpairment. IntheU.S.therearespecificFederal

noise exposure guidelines set down by OSHA (Occupational

Health and Safety Administration). Certain local sound level

restrictionsmayalsoapply. Ifyouwillbeexposedtoexcessive

sound levels when operating your speakers, you should use

properhearingprotectiondevices. Usespecialcarewhenyouor

othersareveryclosetothespeakersystems,suchasduringsetup

or if someone has their ears right up to the speaker.

If There’s A Problem

BothCommunityandyourdealerwanttobesureyouarehappy

with your new loudspeaker systems.

Ifthereseemstobeaproblemofanytypewiththeloudspeakers,

pleasecontactthedealerwhereyoupurchasedtheseproducts. If

youfeelthesituationcannotbehandledbythedealer,pleasecall

Community at (610)876-3400 or your country’s Community

Distributor.

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