AUDIO TELEX ACM120 User manual

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coMt\,/tuNtca rloN s
l20q 4 Channel
Mixer Amplifier
Description
The ACMI2o is o 4 chonnel, 120 woll mixer qmplifier suiloble for ioble or desk mounting. Allernotively, it cqn be
rock mounted by meons of on optionol rock kit. The omplifier is o self contoined compoct unil of solid sieel con-
skuction.
Inputs
The ACMl20 hos four universol inpul chonnels wiih seporole level conlrols. Eqch chonnel will occepl bolonced or
unbqlonced microphone, line qnd ouxillory inpufs. The unil hos industry slondqrd XLR microphone sockets ond duol
RCA Phono ouxiliory sockels for eqch chqnnel. Line inpul 4 hos o lower inpul sensitivity ond is suiloble for high level
CD ployers.
Outputs
The ACM]2o feqtures 100 voli, 70 Volts, 4 & 8 ohm isololed tronsformer oufpuls, plus o lope recorder oulpul by
meqns of duol RCA Phono sockets. A bolonced 700mV XLR ouipui is olso provided lo feed up to 6 power omplifiers.
Speaker Zone Selector
A six posilion push buiton speoker zone selecior wiih oveniding "oll coll" is locoted on lhe froni ponel. Eoch of lhe
six zone seleclors switch the 100 Voli speoker line oulpul lo 6 seporqle speoker zones. The "oll coll" selecior over,
rides qll 6 zones regqrdless of thek on/off condition ond ploces the 100 Voli output to oll 6 zones.
Tone Generator
The ACMl20 comes stqndord wilh on in-built four ione generoior module. Tones include Bell, Pre-qnnounce Chime,
Alert tone (AS2220.1) ond Evocuole Tone (AS2220.1). Any of ihese tones moy be octivoied from q simple conlocl
closure connecled to the reor ponel of lhe omplifier. A Pre onnounce defeolswilch is locqied on ihe fronl pqnel.
Muting
VOX muling is siondord on the ACMl20. A mic or line signol on chonnels I or 2 will mule chqnnels 3 qnd 4. The mul-
lng funclion con be disobled vio on inlernol link.
Phantom Power
Phontom Power {lB volts DC) is ovoilqble from oll mic inpuls.
switch is olso provided.
Protection
A reor ponel phonlom power onloff 3
ffi
lnternol cunenl limiting proiecis ihe omplifier from bolh overlood ond overdrive
conditions.
Audlo Ielex Communlconons Ply Ltd
gvw-oudloteler.con sydney (02) 9 647 I 4l I , Melbolme {03) 9890 7477. Brisbone (07) 3852 I 31 2, Petth \Oq 922A 4222
Auck ond (09) 41 5 9426. Aderolde (08) 8234 9.{44, Hoborl 103) 6228 6373

ACM120 Specifications
Power Oulpul
I20 wotis RMS
Moximum Lood
B0 Ohrns @ 100 Volh
Power Bondwidlh
60Hz lskHz < O.5% THD
Frequency Response
60Hz-l5kHz (+/- 3dB)
Tolol Hormonic oislorlion
0.5% @ I KHz roled power
SignolTo Noise Rotio
-/4dB with ol conlro s ot lheir cenlre positio n.
Tone Conlrols
Bqss @ l00Hz: Boost +12d8 Cut -l2dB
Treble @ lokHz: Boost + 9dB Cut 9dB
Inpuls.
Four mic/oux universol inpuls with XLR femole mic
sockels ond duol RCA Phono oux sockels.
lnput Sensitivity
Mics: I mV @ 200 Ohms
Aux l-3: /5 mV @ 47K ohms
Aux 4: 300mV @ 4/K ohms
Oulpuls
Speoker: l00, 70 volts, 4 & 8 ohms
Tope:
Line: 350mV @ l0k ohms
Bolonced 700mV
Speqker Zone Seleclion
Speoker zone seleclor, switches l00V line outpui to 6
sepqroie zones. An ollcol swilch ovenides oll zones.
Conlrols
4 nput chonnel goin conirols, I Boss coniro, I Treble
coniro, I Moster goin conlrol, 6 Speoker zone seleclor
I Speqker "ollcol" selecior, Pr-onnounce defeoi
swilch, Phoniom Power on/off switch (on reor pone )
lndicolors
Power "on'LED
Power Source
AC 240\ 6OHz, ll0v-50H2 {speciol) 3 pin IEC connecior
Power consumplion
250 wotts
Proleclion
Sofl limiler ior overloqd ond overdrive protection, plus
AC ond DC fuses
Dimen3ions / weighl
BSmm H x 480mm Wx 330mm D (Chossis Dimensions
only), lzkg
Rock Mounling
Optionol ACMRK Rock mounf kit {2RU)
Tone Generolor5
Buill-in four ione generolor module. lncludes Be l, Pre-
Announce, A eri ond Evoc Tones
Muling
Buili in VOX muting. Chonnels I ond 2 will mute chon
nes3ond4
Phonlom Power.
I B Vo ls DC on oll Mic inputs (reor pone on/ofi switch]
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Architectural and Engineering Specifi cations
The mixsr omplifier sholl hove four universol inpui chqnnels, eoch comprising oi o bolqnced rnicrophone input wilh
XLR iemo e sockels ond on ouxiliory inpul using duol Phono RCA sockels. The IOO volt line speoker oulpuls should
be oble io be swilched vio o 6 posilion seleclor wiih ol co l.' A bolonced XLR outpui io drive oddilionql power
omp ifiers sholl olso be provided.
The omp ifier mosier seciion shol inc ude one moster goin conlro , two Ee confrols, one with l2dB of cul qnd boost
qt I 00Hz ond the other wiih 9dB of cui o nd boosl ol I okHz. Speoker outpuls shol be ironsformer iso oled oi 100 volt,
70 Volt, 4 & I ohms. The omplifier must be copob e of delivering l20 woiis RMS inio qn 80 inductive ohm oqd, wilh
less ihon 0.5% disioriion meosured ot I kHz ond with system hum ond ncrse iess ihon -Z4dB.
The omp ifier sho I be on Audio Telex model ACM t 20, mqnufoclured ln Austrolio.
Sydney(02)t647r.111. Meboume {03)9890 7477. Edsbone 107)345213t2, Petltl pq9228 4222
A lckrond {09) 4 r 5 9a26, Adetoide (08) 8234 r.111. Ftobod 103) 6228 63/3
Aodlo Icl6x Commlnlcctlrnr Pty Lid