APART CONCEPT1 User manual
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MANUAL
CONCEPT1
CONCEPT1T
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Main features
3 basic operating modes combined in 1 device: stereo, 2Zone linked mono and 2Zone individual mono.
Paging microphone input with 2 zone programmable paging control.
Standalone and/or RS232 controlled operation.
Removable 19 inch rack ears included.
Menu driven hidden conguration accessible for installers only.
Lockable front panel controls.
Super simple no-nonsense user interface.
Multi functional stylish blue colour dot matrix gas display.
Presettable paging mic gain and separate tone control.
Integrated switchable highpass lter for use with optional subwoofers.
Separate line out and pre out.
4 stereo gain-adjustable line inputs with additional link-out on input 1.
Line 4 input also available as a mini jack in on the frontpanel for connection of personal audio devices.
Programmable maximum microphone and music levels for all zones.
Switchable automatic loudness compensation.
Low impedance (Concept 1) and 100 volt speaker line outputs (Concept 1T) available.
Powerfull dynamic power amplier circuit
Intelligent power limiter circuit.
1 or 2 zone paging microphone optionally available.
IR remote control optionally available.
IR control extender optionally available.
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Front panel
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10
91 3 4 5
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6 7 8
1) Power on/off button: push this button to turn the power on and off
2, 3, 4, 5) Source A-D selector: push this button to select line source A-D. A led above the knobs is
lit when source A-D is selected.
6) Source D mini jack input: this line input is shared with the source D connector at the rear
Only use one of the two at the same time.
7) Select button: push this button to select basic submenus
8) Multifunctional encoder knob: turn this knob to adjust the main volume and other menu parameters
9) Stand-by led: this led is lit when the unit is powered off by RS232 control or infrared remote.
The led will ash when data is transmitted or received from any remote control.
10) Infrared receiver
11) Multi functional dot matrix gas display
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Rear panel
1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18
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1) Microphone input: connect your (paging) microphone on this euroblock connector, connect the signal
on +, -, the screen on GND. Connect the eventual paging contacts between GND and Z1 (for zone 1) and
between GND and/or Z2 (for zone 2). The input gain can be adjusted with knob 2 between line and mic
level to avoid distortion.
2) Mic input gain control: mic input gain adjust
3) Mic input tone control: adjust the tone of the mic input between dark and bright
4) Ground connection: connect your safety ground lead or screens of your shielded input cables on this
screw if necessary.
5) Link output: the signal here is a copy of the line A input signal
6) Line A: stereo line RCA connector
7) Line B: stereo line RCA connector
8) Line C: stereo line RCA connector
9) Line D: stereo line RCA connector, a mini jack version of the line D input is available on the front panel.
Only use one of the two input’s at the same time.
10) Pre-amp out: these RCA connectors offer a level line out signal, before the master volume. It can be
used for recording or induction loop systems
11) Line out: these RCA connectors carry the line level signal after passing the volume control and limiter
circuit. This is an ideal way to connect to active subwoofers or extra power ampliers
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CONCEPT1T Version
Difference on Concept 1T
12 13 14 15
12) Lo-cut right channel/zone 2: when this button is pushed, the signal to the internal power amplier
reduces the sub bass frequencies for driving small sized top speakers. It works ideally in combination with
subwoofers
13) Right channel/zone 2 output: use this euroblock connector to connect your right/zone 2 speaker,
minimum load impedance is 4 ohm (167 ohm for T version)
14) Lo-cut left channel/zone 1: when this button is pushed, the signal to the internal power amplier
reduces the sub bass frequencies for driving small sized top speakers. It works ideally in combination with
subwoofers
15) Left channel/zone 1 output: use this euroblock connector to connect your left/zone 1 speaker,
minimum load impedance is 4 ohm (167 ohm for T version)
16) IR jack: connect the optionally available IR remote receiver on this minijack connector: Sleeve =
GND, ring = data, tip = +5VDC. Once this receiver is connected, the IR-receiver behind the front panel is
bypassed.
17) RS232: 9 pin sub D connector for connection of computers or other automated audio
system controllers
18) Ac input: plug in the supplied mains cable here. Check your mains voltage rst !
12) lo-cut Right channel/zone 2: switch not available
13) Right channel/zone 2 output on euroblock connector: minimum load impedance: 167 ohm or
60 watts/100 volt
14) lo-cut Left channel/zone 1: switch not available
15) Left channel/zone 1 output on euroblock connector: minimum load impedance: 167 ohm or 60
watts/100 volt
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User Operation
The table below shows the 3 possible operating modes: stereo, 2 separate mono zones with one linked
music volume control and 2 separate mono zones with individual music volume control. You can adjust
the volume by turning the large rotary control from -80 dB (lowest) to 0 dB (highest). Volume adjustment
is the default parameter assigned to the rotary control. In order to enter the menu, press the select but-
ton next to the large rotary control.
Example in stereo operating mode: press the select button once to show the rst editable parameter,
VOL appears in the display.
Push the select button a second time to adjust the microphone level, MIC appears in the display.
Push the select button a third time to adjust treble tone control, TREB appears in the display.
Push the select button a fourth time to adjust bass tone control, BASS appears in the display.
Push the select button again, EXPERT appears in the display. This menu is not allowed for the user.
Push the select button again to return to VOL or wait a few seconds, the display will jump back to VOL
automatically.
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Expert Operation
RS232 & IR Information
Blockdiagram
In order to edit the EXPERT parameters, push select repeatedly until “EXPERT” appears in the
display. Then press the ‘SELECT’ and the ‘SOURCE D’ button. A hidden menu structure is now
available and gives you the opportunity to edit several parameters, such as operating mode,
maximum music level and so on. The table shows the entire menu structure. The menu tree is also
printed on top of the Concepct1 unit and should need no further explanation.
To leave the EXPERT mode: press ‘SELECT’ and the ‘SOURCE’ button simultaniously.
In the EXPERT mode if there is no action for 1 minute, the unit will auto return to USER mode.
Please check our website for the latest information on RS232 and IR communication:
Http://www.apart-audio.com
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Accessories
CONCEPT1T-KIT
PIR-REC
CONCEPT1-RC MICPA-2
MICPA-2
Kit of 2 pcs 100V transformers to change 1 or 2 channels
of the CONCEPT1 into 100 Volt line outputs.
Infrared remote receiver with 5 meters of cable and mini jack
connector.
Infrared remotecontrol unit. 2-zone paging microphone.
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ERROR conditions
Symptom DiSplay Solution
no power no DiSplay replace main fuSe. the fuSe iS locateD inSiDe the unit near
the power Switch. for qualifieD perSonnel only.
no power, unit iS Very hot no DiSplay power off the unit, wait for cool Down anD power on again.
no SounD amp error Switch power off anD on again, if error iS not SolVeD, check
amp fuSeS on main pcb anD replace if neceSSary. for quali-
fieD perSonnel only.
oVerheateD hightemp wait for cool Down, reDuce Volume anD check Speaker
loaDS.
only for concept1t VerSion
no SounD amp error check if the enVironment temerature iS within the operating
range of the unit (0° - 40°c).
If any of these fault conditions occur, please unplug the power cord rst, check your speaker lines,
remove overloads.
Kit of 2 pcs 100V transformers to change 1 or 2 channels
of the CONCEPT1 into 100 Volt line outputs.
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CONCEPT1 & CONCEPT1T TEChNiCal sPECifiCaTiONs
concept 1
DynamicS program power, both channelS DriVen, 8 ohm 50 w + 50 w
DynamicS program power, both channelS DriVen, 4 ohm 80 w + 80 w
DynamicS capacity at 1,7 ohm DipS / ch 120 w
note ; power output controlleD by Digital limiter
lo-cut filter 75 hz / 12 Db/oct
Speaker impeDance - connection 4 - 16 ohmS / ch - euroblock SecureD Screw terminalS
Digital control
rS232 Sub-D9, galVanically iSolateD
ir (ir-remote control optional) front ir eye, rear mini-jack
inputS / outputS
Source inputS a-b-c-D input impeDance / SenSitiVity 15 kohm / 0,3V -10DbV, maX 2,7V +8,5DbV
Source inputS a-b-c-D Digital preSet gain range -20 / +14 Db
Source Digital tone control baSS 90hz, treble 15 khz, +/- 14Db
automatic louDneSS +6Db (90hz) / +4Db (15 khz) to flat 0Db
micro balanceD input impeDance / SenSitiVity 1,5 kohm / 1,5 mV -56DbV, maX 0,4V -8DbV
micro balanceD input rear panel gain trim -56 / -16 DbV mic - line
micro tone control ; rear panel lo - hi 100hz/+3Db,10khz/-6Db to 100hz/-9Db, 10khz/+4Db
pre-out impeDance / SenSitiVity 1 k ohm / 0 DbV
line-out impeDance / SenSitiVity 1 k ohm / +3 DbV
general
operation moDeS Stereo / 2 zoneS linkeD / 2 inDiViDual zoneS
micro paging 1 or 2 zone
frequency reSponSe (- 0,5 Db) 10hz-40 khz
thD < 0,05%
Technical Specifications
This manual suits for next models
1
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