AUDIO TELEX DCM120 User manual

DCMI2O
120w AC/DC
Power Amplifier
Description
The DCM I 20 is o high perfo.monce 120 woti power qmplifier designed lo meel the needs oi lhe mosl demonding
sound reinforcernent inslo lolions and opplicolions. The ornplifier is designed 10 operote from boih AC moins power
os we I os 24 vo ts DC.
Inputs and Outputs
The DCMl20 feotures o lronsformer bolonced line level XLR input with o porollel output to leed odditionol ompllfi
ers.TheDCMI20provides100volt,70voltond4&Bohmspeokeroulpuhviooreqrpone boffler slrip.
Controls and Metering
The fronl ponel consisls oi o moins power swilch ond o recessed, screwdriver odjusioble input oltenuoilon conlrol.
The ironl pone of the DCMl20 includes o bock lil LED disploy indicoling power, high lemperoiure, LED Vll meter
ond mqins foi indicolion. The [.oins fqil indicotor wil only operote in lhe eveni of o moins power foilure ond when
the ompllfier is connecled 10 o 24v DC power supply.
Protection
The DCM 120 feolures overlood ond overdrive proteciion. ShoL.rld the ,rmplifier be overdriven, o cufieni imiler will
prolecl the unil, ond in a worsl ccrse scenorio the omp iller wil shui ciown unii lhe problern is reso ved. Once the
prob em is fixed (shorted speoker line, or overdriven lnput), the omplilier wil outornolico ly resei ond conlinue op-
erolion. The omplifier olso feolures o buill in compressor/limiter designed io smoolh oui ony peoks in inpul signo.
The DCMl20 Jeotures generous heolsinking ond fan cooling. The fon will on y swllch on it lhe operoling iempero-
lure exceeds o foclory presei evel.
W
COMA/IUNICATI
Other Features
The DCMl20 con operole from both AC ond 24V DC ond includes o buil in trickle chorqe circuii.
Audio Telex Comfiunlcolionr Pty tld
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DCM120 Specifications
Power Outpui
120 wotls RMS inio I00 & 70 volt ine. 4 & 8 ohms
Mqximum Lood
B0 ohn s @ l00v
trequency Response
50Hz-l5kHz (+/ 3dB) inlo l00v
TII D
Lessthon05%@lKHz
Dislorlion oi Mox Powel 0./%
S/N Rotio
82dB
lnput Sensltivily
Mox 300mv (set @ lv)
lnpul lmpedonce
l0K ohms
lnpul Conneclion
Tronsiorrner Bolonced inpul wilh mole ond lemole XLR
inpul/oulpul sockels.
Outpuls
100 & /0 volts, 4 & 8 ohm speoker oulpuls vio o reor
ponel borrier strip.
Line oul lo feed odditiono power omplifiers ovoilob e
from one oi the porolleled XLR inpuis
Conirols
Froni Pone Power Swilch
Recessed fronl ponel input allenuolor
Melering/lndicotors
Amp ifier Slotus Disp oy Window inc uding:
Power On LED
l0 segmenl LED ouipul meter
Moins foil LED
High iemp trip LED
Proleclion
lnierno Coo ing Fon wilh lemperolure sensor
Compressor/Llmller
Current Limiler with oulo protect qnd oulo rerel
Dimensions/Weighl
BB mrn H x 483 rnm W x 310 mrn D
(Chossis dimensions onyl. l2 kg
Power Sources
AC: 240v 50Hz or I l0v 60Hz ispeciol order)
3 pin IEC conneclor.
DC: 24v wilh buill in lrickle chorge circuil:
300mo moximum lrick e chorge.
B o-p -o^imum, . I e lo,ow o. D
300mo slondby (idle) cLrrrenl drow on DC
Power Consumpiion
300 woth {moxirnum)
EUDIOftlrd 12gwAns
DCMSERES .,
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Architectural and Engineering Specifications
The power omplifier sholl be of high quolily, suitob e for lhe mosl demondinq PA inslollolions ond opplicolions. The
unil shol hove o frequency response of no less thon 50Hz-lskHz (+/-3dB). Disloriion ol lkHz shol not exceed 0.5%.
The Signol 1o Noise roiio sholl be B2dB or greoler. The omplifier sholl hove iwo lrqnsformer bqlonced XLR lnpuis,
one of which con be used to feed oddiiiono power crmplifiers. The qmp lller sho be copob e ol delivering 120
wolts RMSinio 100&/0voior4 &Bohm oods. Speoker conneclion sho lbe vio o reor pone borrierskip.
The unil sholl operote from bolh AC moins powet or from o 24V DC bottery supply. The omp lfier shol include o
buill in trick e chorge circuil. The omplifier shol feoture overlood ond overdrive proteclion qnd shol olso inc ude
cooling fons, which should on y be octive if the operoting temperqlure exceeds o fociory presel level.
The unif sholl be pockoged in o rugged 2 RU meio chossls sLtltoble for desk or rack mounling.
The power omplifier sho I be on Audio Telex mode DCMl20 monufociured ln Ausirolio.
Audlo Telex Communlcoflons fty Ltcl
ww*.oudlolelex.com Sydney(0219d,1/l1ll, Me bclrne il3) 9890 7t7l. Brisbone {0713e52 1312. Penh lOEl9228 4222
Alcr ond 10tlrl5 9.a2d Aoeode (08) 823.4 t1,1,4. Hobort 103) d228 6373