AUDIO TELEX ACM250 User manual

ACM25O
250q 6 Channel
Mixer Amplifier
Desc riptio n
Tfre AC[/]250 is a 6 chqnr€, 250 wott mixer qmpl f er suitob e for table or clesk mount ng Aternotively, I con be
rqck mounted by mectns of on optionol rack kit. The ompifier js q sef contoined compoct unit of solid steel
construct on.
Inputs
The ACN,4250 hos sx unveisol inpL,t chqnnes wth seporote level controls Eoch chqnnel will qccept boonced or
unllolqnced mcrophone, llne oncl alx qry npufs. The unit flos ndustry stclndord y,LR mcrophone sockets ond dua
RCA Phono o ux liory sockets for eoch chonne Lne lnpL,t 6hos cr ower inpLrt senstV ty crrKl s suitobe fot hlgh leve
CD ployers.
Outputs
The ACM250 feolures 100 vot, 70 vot ond 4 ohm soif,ted tronsfornier oLrtputs, plus cr tope recorder oulp'Lrl by
mec]nsof duo RCA PhorD sockets A bcr onced 700mV XLR oL,tpul s olso piov ided to feed upto6poweromp f ers.
3 Band EQ
The ACM250 incudes o 3 bond equoliser (Boss, Mdd e oncl Hgh) giv ng the usero wder ronge oftone conttos for
high level music or clffcult voice opp cat ons
Tone Generator
The ACM2sO comes slondord wilh on n-bu i four lone generotor modu e. Tones inclucle Bell, Pre onnounce Ch rjre,
Aled tone (AS2220 l) qnd Evocuote Tone (AS2220 l) Any of lhese tones moy be qctN,/oied from o simple coniocl
closuTe on the reqr pqne of theomp fler.
Muting
VOX muilng s stqnclqrcl onlheACM250 Amcorlinesignol onchonnes I or2w mule chonnels 3,4 5 and 6 The
mut ng function can bed sobed f clesredvcqn ntetrlfl nk
Phantom Power
Phqntom Power (lB volts DC) is ovo oble from oll mic inputs. A rec{ pcrne plEntom power on/off swlch is qlso
prov icled.
P rotection
ntelna cuffent mit ng protects the omp fier from both overlood ond overcJrive conclrtions. An
excess tempercrture oL,to cL,'t oL,,t, s o so o fecllure of theACM250
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ACM250 Specifications
Power Oulput
250 wcliis RM S
Mqximum Loqd
40 O hms @ 100 Volts
Power Bqndwidlh
60Fz-l5kl-lz< 0 5% TFID
Frequency Response
60Hz I 5 kFlz (+/ 3.lB)
Toial H orm onic Disi?rlion
0 5% @ I KHzclt rcrted povr'er
Signol To N olse Roijo
74dB w th oll conlro s ol the r centre pos t on
Tone Conllols
Bcrss @ l00llz Boost +l2dB Cut l2dB
l',4 d @ 600N2 Boost +l2dB, aut - l2dB
Treb e @ lOkHz: Boost + 9dB Cut 9dB
npuls.
Sx r1r c/ crux unr,/erso nputs w th XLR femct e mic
sockets ond duo RCA Phono oLrx sockets
npuiSensliiviV
[4 cs
Aux I 5
Aux 6
O ulpu 1s
Speoker
lop e
L nel
Phonicrn Powel.
lBVoh DC on c l\4 c npuis
C o nlrols
6lnput chonne gcr n contros, I Bossconlro, ll\4 d
Conlrol, I Trebe conlro, I lvlostergon control,
Phoniom Powe r on/off swilch (on reor p o nel)
nd ic oto rs
Power on" o nd Proteci LED
Power Source
AC 240v-60f2, I l0v 50Nz Gpeciol) 3 p n IEC conneclor
Power consumplion
400 vrotts.
P rote clio n
C urrent Lm ier prolect or, p us AC ond DC fuses
Dim ens ions / We ght
BBmm ll x4B0mm W x330mnr D (Chosss Dmensions
on y). lskg
Rock Mounling
Optiono AClilRK Rcrck mo!ni kil
Tone Generobrs
Bu l-in four icne generotor mod u e I nc lu d e s B e lL, P re
An no unc e, A ert crnd Evcr c Jo nes
M uting
Bu t-in VOX muting Chonne s I ond 2 w I mute
chonne s 3. 4, 5 ond 6
I mV @ 200 Ohrns
75 mV @ 47K ohrns
300mV @ 47k ohms
100. 70 vo is.4 ohms
350mV @ l0k ohms
Bo onced 700rnV
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Architectural and Engineering Specifi cations
The mxeromp f ershq hovesxLrniveTso nputs eochcomprsng of o bqqnced microphone wlh XLRlemole
sockelsondonclLrxilioiyinpLriusngduo PhonoRCAsockets Abo onced XLR oltp!llodflveoddtoncr poweT
omp fers sho o so be prov ded
The omp fier [acrsler secl on sho incL-]deonemosiergonconlrol,threeEQcontrols.one\,,/rthl2dBof cuiond
boost ct l00Fz, one w th l2d B cul ond boost ot 600llzcrnd ihe olher\,,/ih 9dB of cr.rt ond boost ot lOkHz. Specrker
outputsshall belronsformersootedotl00voi,T0Votond4ohmsTheomplifer.nL.rstbecopobleofdeverng
250 wotts RlvlS nto o 40 nduciN/e ohm loqd. w th ess ihon 0.570 d sloir cn meos!red ot I kHz clnd with svstem hum
ar nd no se essthon-74d8
The omCr ler shol be on ALrd o Te ex mode ACN/ 250, mon!{ociured n AL.rstro cl
Aud o Te ex Comrnunicolions Plv Lil
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