AUDIO TELEX IC30 Bedienungsanleitung
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c o M M u N I C AT I O N S P'rY LrD
www.audaotelex.com
lc30
Mixer Amplifier
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Audio Telex Communications Pty Ltd
ACN 001345482 lncrporatad in NSW
NSW & ACT QLD & NT
'149 Beaconsfield Str€et
Private Bag 149
Silverwater NSW 2'128
Australia
Ph02964T 14,t.1
Fax 02 9648 3698
42 Commercial Road
PO Box 871
Fortitude Valley QLD rt006
PhoT 3A52't312
Fax 07 3252 1237
22127 7 lllddleborough Road
Box Hill VIC 3128
PO Box 151
Blackburn South VIC 3'130
Ph 03 9890 7477
Fax 03 9890 7977
299 Fitzgerald Street
West Perth WA 6005
PO Box 404
North Perth WA 6906
Phoa92284222
Fax 08 9228 4233
Electronic Concepts Pty Ltd
76 George Street
Thebarton SA 5031
PO Box 7034 Hutt Street
Adelaide SA 5000
Ph 08 8234 9444
Fax 08 8234 9441
K W itcculloch Pty Ltd
54e Albert Road
Moonah TAS 7009
Ph 03 6228 6373
Fax 03 6278 '1063
Unit B, 11 Piermark Drive
PO Box 512
Albany NZ 1331
Ph 09 415 9426
Fax 09 415 9864
lC30 Mixer Amplifier
Product Description
The IC30 is a 30 watt mixer amplifier which operates on 240 VAC, 50 Hz (or I l0 VAC with factory modification) or 12 VDC via
an externa.l DC power supply source. The amplilier comes standard as desk mounted with rubber feet but can be rack mounted via
an optional rack mou-nt kit (IC3ORMK). The IC30 will deliver 30 \yatts into a load of .l ohms.7o or lO0 volt line. The IC30 may be
stacked to a ma\imum of four units high. An IEC 6'pe mains cord and receptacle is provided, the recepucle also houses the mains
fuse in a drawer which pulls open to expose the fuse. A single spare fuse is also located in this drawcr.
Front Pane! Controls
l. Dual Microphone/Line Gain Controlt The dual mic/line input conrrols are labelled Ch I through ro Ch 3 and
should be adjusted lo govide the required mix level for each individual channel. Start wilh the controls set to lcvel 0 and tum
the controls clockwise until the desired mix level for each channel is reached.
Bass Tonal Control: Setting this control in the centre position will give an overall flat bass response to the output of
the amplifier. Mjusting the bass control in a clockwise direction will provide up to l0 dB of bass boost @ IOO IIz. Adjusting
the bass control in a counter-clockwise direction will provide up to -10 dB ofbass cut @ 100 Hz.
Treble Tonal Control: Setting this control in the centre position will give an overall flat treble reslnnse to the output
of the amplifier. Adjusting the teble control in a clockwise direction will provide up to 9 dB of treble boost @ l}kJlz.
Adjusting the treble control in a counter-clockwise direction will provide up to -9 dB of treble cut @ lO kHz.
Power Button: This su/itch controls the switching of AC power to the amplifier. Rocking this switch upwards turns on
AC power to the amplifier while rocking the switch downwards tums porv.:r of to the amplilier. When in the upward position.
the red neon in the bodv of the witch will glow.
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Rear Panel Connections
t. 3 Pin IEC llains Power lnlet: the operaring volrage is 240 vAC @50Hzot ll0 vAC @ 60 Hz. The AC power
voltage lcvel is not cxlemally user adjustable but is facrory pre-set at 240VAC. The inlct is equipped with an inbuilt AC fusc
holder fitted wilh a I amp fuse plus a s;nre. found within the holder. pou€r consumption is 50VA.
t Please ensure that the mains power cord is disconnected before attempting to ch€ck or r€place this fuse.
2. Direct Output Terminal Strip: rnese screw terminals allow access to rhe direct outpurs of the amplifier. Spnre
screw terminals allow for the conncction ofvarious tone module accessories. Reading from left to right the rerminals are-
o 12 Volts DC Positive (+) Power Connection
I 12 Volts DC Negative G) power Connection
' Spare
o Low Impedance Comrnon
o 4 Ohms
. Constant Voltage Common
. 70 Volts
o 100 Volts
o SPare
o Spare
. Remote Muting On/Off Connection *
. Remote Muting On/Off Connection *
+Charutels 2 and 3 are muted when these two terminals are shorted together onlv when the TX30l0 mute module is fitted.
Note: The minimum impedance at any lime on maximum load for 100 Volt line should be no less than 330 Ohms for the IC30.
3 Tape O utput: RCA style phono output connector for tine level output. Provides a maximum of 350mv into loK Ohms,
ideal for a connection to most standard ape recorden. This output is sourced before the master gain control and as such, the
tape output level is not inlluenced by the operation of the master gain control.
4 Univergal Microphone/Line lnputs: with an input sensirivity of l.5mv@ 200 ohms, pin connections for XLR
balanced microphone input connectors are: pin #l -earth; pin #2-active (high, +): pin #3-active (low, -). The RCA socket line
level input connectors havc an input sensitivit-y of 80mV @ 47K ohms. Reading from left to right actoss the rear lnnel- the
connection are for the inputs 3, 2, & I respectively. All three inputs can be used for microphone and autliary input sources. It
is also possible to connect both microphone and au\iliary inputs to one channel simultaneously. however their relative levels to
one another will be fixed, as there is one gain control for each channel on the front panel.
Optional Accessories
E The installation of sone of the following optional accessories involves access to the inside of the amplilier. Installrtion
should only be attempted by a qualified technician. Always turn off the AC power and remove the AC power cord before
dtempting to access the inside of the amplilier. Please contact your nearest Audio Telex ofFrce for details of your nearest
qualified technician,
Tone Generatorg: Four sepaftfe tones are available as an option via the ATC5488 tone generator board. This internally
mounted PCB is easily fitted and plugs directly into a socket provided on the internal circuit board PCB6I89. Please follow the
instructions supplied with the tone generator- When any tone from the ATC5488 is activated all inputs will automatically mute
except for input one.
Tones available on the ATC5488 tone genemtor board are:
Evacnation Tone (to Australian Slandard A52220.1.2)
Alen Tone (to Australian Standard AS2220.1.2)
Bell Tone
Pre Annoulce Chime
TX30l0 Vox iluting todule: When installed (as per the comprehensive instructions supplied with the Tx301o),
channel I ofthe amplifier will mute channels 2 & 3 ofthe amplifier.
lC30Rl{K: t9" rack mount kir
Fuse Sizes
llains 240 VAC: t Ampere Slow Blow
Notes
The DC ftse is locat€d on the circuit board. This is a feature of the IC series amplifren, which is equipped with a current Umiting
circuit prwenting excessive DC c'urrents, thus eliminaring the risk of blowing high tension fixes. In the unlikely event that the DC
fuse actuat€s, the outtrrt IC's should be checked, as it is probable that the amplifier has been subjected to very extreme conditions.
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