AUDIO TELEX DCM250 User manual

DCM25O
250w AC/DC
Power Amplifier
Description
The DCM250 is o high performonce 250 wotl power omp ifier designed 10 meet lhe needs ol the mosl demonding
sound reinforcemeni inslolotions ond opplicotions. The omp ilier is deslgned to operote irom bolh AC mqins power
os we I os 24 vo ls DC.
Inputs and Outputs
The DCM250 feolures o tronsformer bo onced line level XLR lnput wilh o porole output 1o feecl oddillono power
omplifiers. The DCM250 provides 100 voll ine ond 4 ohm speoker oulpuls vjo o reor ponel borrler slrip.
Controls and Metering
The fronl ponel consisls oi o moins power switch ond cr recetsed, screwdriver qcljusloble lnpLrl ollenuollon contro.
The front pqnel of the DCM250 includes o bqck ll LED disploy indlcotlng power, hlgh le.nperolure. LED VLI meier
ondmoinsfoi indlcollon. The mcrins foil lndicolor wl I on y operole in the evenl of o moins power fol ure ond when
ihe omplilier is connecled 1o o 24v DC power supply.
Protection
The DC M250 ieolures over ood q nd overdrive proieclio n. S hoLrld the q mpllfier be overdr ven, o c Ltrre nl lr.liier wl I
prolecl lhe Lrnii, ond in Q woTsl cose scenorlo the omplifier wil shui down unli lhe prob ern is reso ved. Once lhe
prob em is iixed {shorled speoker line, oI overdriven input), the omp ifie. wll oulomoilcoty reset cnd cor'tlinue op-
erolion. The qmp ifier o so feolures o built-in co..pressor/limiler designed 1o smoolh out onr' pc'dk5 ln lnpLri slgno .
The DCM250 ieotL"rres generous heotsinking ond lon coo ing. The lon wil orl y swilch on i1 the operoltng lempero
ture exceeds o ioctory presel level.
Other Features
The DCM2sO con operole trom bolh AC ond 24v DC ond inc udes o buiti in lrlckte chorge ctrcL,ri.
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COMMUNICAI I
Aodlo Ielex Communlcotlonr Pty Ltd
www.oudlotele!.con 5yd.ey 102)t6,17 l,1ll Merbolr.e 103)9890 /4rl 8isbo.e10/)3852t3t2 perlh {o8itt28 4212
Auckro.a 10tl tl5 9,42t Ade oine 108) 823,1 9,1,14 Hol)orr 103) 6??8 63r3

DCM250 Specifications
Power Outpul Controls
250 wotis RMS inlo l00v line or 4 ohms Fronl Pqne power Switch
Recessed froni pqnel input olienuolor
Moximum Lood
40 ohms @ lOOv Meiering/lndicotots
Amp iiier Slotus Disploy Window inctuding:
tlequency Response power On LED
50Hz lskHz i+/ 3dB) inio l00v l0 segmenl LED oulput meter
THD Moins foil LED
Less thon o.s% (o r KHz Hiqh lemp trip I FD
Distortion ol Mox Power 0.7% Proleclion
s/NRqtioniernolcoolingFonwithtemperoluresensor
SZdB Compressor/Limiler
Currenl Limiler with cluto proiecl ond oulo resei
lnput sensitivity Dimensioni/weighl
Mclx 300mv (sei @ Iv) BB mm H x 483 mm w x 3t0 nnm D
lnpul lmpedonce (Chossis dimensions only) 15 kg
I oK ohms power source!
lnpul Connecfion AC: 240v 50Hz or I l0v-60H2 (speclol order)
Tronsformer Bolonced input with rnole ond femo e xLR 3^ 9in^lFC conneclor'
input/oulput socket,. Dc: 24V wilh bui]i in trickle chorge cilcuii:
300mo rnoximum kick e chorge.
Outpuis l5 omp moximum currenl drow on DC
I Oo or 4 ohm speoker oulpuls vio o reor pcrnel borrier 300mo siondby {id e) curreni drow on DC
.'rip. I 1e oul lo lecd odoi io' ol powe omo itiars
ovoirob e from r of rhe porollered xrR t;r; " ' :::.:l^-c.:l:Tpti""
r'UU wolls lmo^ mrrml
,, DCMSERTES
Audlolelex communlcollont Pty tld Syclneylo2)964ll4ll Mebounelo3)98t0747t Brjbone 107)3a52 t312. perth (08)9228 a?22
Architectural and Engineering Specifications
The power omplifier sholl be of high quqlity, suitob e for the mosl demqnding PA instololions ond opplicotions. The
unil shol hove o frequency response of no less thon 50Hz-l5kHz (+/ 3dB). Disioriion ot lkHz shol nol exceed O-5%.
The Signo to Noise roiio sholl be 82dB or greoler. The ornplilier shcr I hove lwo lronsformer bolonced XLR inpuls,
one of which con be used 1o feed qddiliono power omp;flers. The omp ifier sho I be copoble ol de ivering 250
wolls RMS inlo I 00 voll or 4 ohm loods_ S peoker con neclion shol be vio o reor pone borrier slrlp.
The unit sho I operoie from bolh AC moins power or from o 24V DC botlery supp y. The omp ifier shol inc ude o
buit in lrick e chorge circuil. The omp ifler shol leolure overlood ond overdrive prolecilon ond sho I o so include
coo ing fons, which should only be oclive if lhe operoting iemperoture exceeds o foclory presel evel.
The unit shcrll be pockqged in o rugged 2 RU metol chossis suiioble lor desk or rock mounling.
The power omp ifier shol be on Audio Telex..jodel DCM250 monufoctured in Ausirolio.
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