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Protection circuits

overcurrent, overtemperature, DC offset, AC and
DC over- and undervoltage

Channel separation

>80dB @ 1kHz

Damping factor

> 400 all channels

APC sytem

internal compressor and clip limiter, auto gain
circuit

Power amp topology

class D

Cooling

convectional

External interface

RS232 and external volume control 0-10V (1 mA
closed loop circuit)

RS232 settings

19200 baudrate, 8 databits, no parity, no
handshake

Max power consumption

1500W

Standby power consumption

<1.5W

Mains operating voltage

230VAC/50-60Hz

Dimensions

48.3 x 8.9 x 38 (without rubber feet, including rack
ears)

Net weight

16 kg

Gross weight

18 kg

Содержание CHAMP-3D

Страница 1: ...MANUAL CHAMP 3D Audiophile Digital Power Amplifier INFO APART AUDIO COM ...

Страница 2: ... power requirements listed on the back of the unit Do not use the unit if the electrical power cord is damaged Always operate the unit with the AC ground wire connected to the electrical system ground Turn the level controls on the amplifiers all the way down during power up to prevent speaker damage if there are high signal levels at the inputs Do not connect the inputs outputs of amplifiers or c...

Страница 3: ...ier protection circuits DC protection over current protection over temperature protection Real time mains voltage monitoring system disables the amplifiers and main power supply in case the mains voltage is out of range Real time power supply monitoring system disables the amplifiers when the internal DC supply is out of range Lockable front controls password protected parameter access remote oper...

Страница 4: ...olume control has been disabled in the settings menu 2 RS232 port on DB9 connector Standard serial port connector for programming external control and firmware updates using our firmware update program available online Port settings are fixed at 19200 baudrate 8 databits no parity no handshake LF line feed BS backspace and ECHO are not enabled but can be enabled using an RS232 command string More ...

Страница 5: ... parallel Always make use of the 4 connection pins 1 and 2 1 and 2 to avoid contact burn in caused by the extreme currents flowing through these connectors 13 Left speaker output 4 pole Speakon connector 1 and 2 as well as 1 and 2 are connected in parallel Always make use of the 4 connection pins 1 and 2 1 and 2 to avoid contact burn in caused by the extreme currents flowing through these connecto...

Страница 6: ...els 4 Right channel mute select switch during normal operation push once to mute the right channel During parameter editing this button can be used to select the left channel Some parameters are linked for left and right channels 5 Dot matrix LCD display with blue background light The standard text displayed on the normal screen can be edited using RS232 commands The display shows the actual maste...

Страница 7: ...en the 0 dB LED lights up red the amplifier is clipping Always avoid clipping LCD Display When in use the display will show the user definable text Default text is CHAMP 3D large font This text and the font type can be changed via RS232 instructions The actual master level is also shown in this case 72 dB Pushing the push button next to the arrow will allow you to enter the main menu The next scre...

Страница 8: ... push the buttons underneath the LED VU meters to select the channels and if necessary you can push these buttons simultaneously to edit the level of all channels simultaneously Some parameters are linked for left and right channels The menu structure looks like this LEVELS MAX LEVELS SPEAKER WIZARD CROSS OVER EQUALIZER DELAY SETTINGS EXIT SAVE AND EXIT SUB LEFT RIGHT MASTER LEVELS SUB LEFT RIGHT ...

Страница 9: ...er and crossover menu the left and right channel parameters are automatically linked The green channel LED s will automatically light up strong for both channels The speaker wizard menu offers you an easy way to automatically adjust all audio related parameters for optimum compatibility with our most popular speaker sets Enter the speaker wizard menu and follow the on screen instructions choose th...

Страница 10: ...to the ON position sub phase is 180 also called phase reverse If the low frequency response of your system is insufficient experiment with the phase setting first Fine tuning can be done via the DELAY menu EQUALIZER ON or OFF BAND select band 1 to 4 TYPE select equalizer type HPF LO SHELF PEAK HI SHELF LPF FREQ select equalizer frequency GAIN set equalizer gain Q set Q factor All equalizer frequen...

Страница 11: ...mid tone control found on most audio equipment Red line shows a peaking equalizer with a rather high Q factor or low bandwidth Cut level is 6dB Center frequency is 100 Hz The line at the top shows a high shelf equalizer the red line shows a low shelf equalizer These types of equalizer correspond to the typical bass and treble tone controls found on most audio equipment Lo and Hi shelf equalizer Pe...

Страница 12: ... speed of sound equals 343 2m s CONTRAST set the contrast of the LCD display AUTO LD set automatic loudness ON or OFF EXT VOL enable or disable external volume control using a standard 10 k linear potentiometer or a 0 to 10V source LOCK MODE choose lock mode UNLOCKED VOL ONLY or LOCKED When you change the lock mode from UNLOCKED to LOCKED or VOL ONLY you will be asked to change the password Defaul...

Страница 13: ... pages we will explain the possibilities of remote control via RS232 In case you might experience RS232 communication problems consult an experienced system engineer to get you started Port settings are fixed at 19200 baudrate 8 databits no parity no handshake LF line feed BS backspace and ECHO parameters are not enabled by default They can be enabled using an RS232 command string We strongly advi...

Страница 14: ... The lowest possible Master level is 80 so 99 means that the master is lower than the lowest 80 value The master will be muted When a command that does not require value feedback has been executed the unit will reply Instruction Executed for example when the user definable display text or font type has been altered When the instruction is invalid the reply will be ERROR Invalid Instruction When th...

Страница 15: ... will set the master level to the OFF mute position From here commands will be shown between and the CR or carriage return is omitted in the text for clarity Below is a list with all possible commands and attributes Possible commands are SET GET INC DEC When SET is used a value needs to be specified This can be a numeric value or a binary value ON or OFF When INC or DEC is used and no value is spe...

Страница 16: ...he crossover type for the left and right channel also called top or satellite channel The parameter is linked for left and right channel L R means Linkwitz Riley BUT means Butterworth and the numeric value is the filter slope in dB octave XTOPFREQ possible commands GET SET All values between 10 and 20 000 are possible however practical values are between 80 to 200 Hz This instruction specifies the...

Страница 17: ...ands GET SET You have to specify the channel LEFT RIGHT or ALL for both and also the value between 0 0 and 6 0 in 0 1 meter steps An instruction could look like this SET DELAY RIGHT 2 The unit will reply DELAY RIGHT 2 0 AUTOLD possible commands GET SET Binary values are ON OFF When AUTOLD is ON a gentle boost of low and high frequencies will be applied to the audio signal on low volume settings At...

Страница 18: ...e 1 2 3 and character width The maximum is 16 ASCII characters The text will be automatically stored in memory The user string is case sensitive INFO possible command GET Use this instruction to get status information via RS232 SERIAL possible command GET Use this instruction to get the serial number from the unit HWVRSN possible command GET Use this instruction to get the hardware version SWVRSN ...

Страница 19: ...nd a command via RS232 SET RESTORE ON The unit will restart automatically and default settings will be written to the internal memory during power up It is not possible to restore the factory default settings via the front panel controls After a firmware upgrade all user defined settings will be maintained however it is recommended to check and adjust the settings after a firmware upgrade The newe...

Страница 20: ...guration or a severe ground loop SUB AMP OVERLOAD the subwoofer amplifier is being overloaded due to extremely low load impedance or a short circuit LEFT AMP OVERLOAD the left channel amplifier is being overloaded due to extremely low load impedance or a short circuit RIGHT AMP OVERLOAD the right channel amplifier is being overloaded due to extremely low load impedance or a short circuit When one ...

Страница 21: ...he rubber feet in case the amplifier is not built into a rack Make sure the ambient temperature is between 0 and 40 C Operating the unit beyond its normal limits will result in excessive internal temperature Power amplifiers are hard workers and their behavior is similar to human beings In extreme conditions human beings are not able to perform efficiently This also applies to amplifiers It is gen...

Страница 22: ...io 90dB A weighted THD L R amp 0 1 100W 4Ω 1kHz A weighted THD Sub amp 0 1 500W 2Ω 80Hz A weighted Frequency response 10 24 kHz 0 3dB Analog digital volume control analog via external volume control digital internal control Built in DSP yes featuring compressor limiter crossover subwoofer phase control 4 band fully parametric eq automatic loudness speaker delay Apart speaker configuration wizard C...

Страница 23: ...iter auto gain circuit Power amp topology class D Cooling convectional External interface RS232 and external volume control 0 10V 1 mA closed loop circuit RS232 settings 19200 baudrate 8 databits no parity no handshake Max power consumption 1500W Standby power consumption 1 5W Mains operating voltage 230VAC 50 60Hz Dimensions 48 3 x 8 9 x 38 without rubber feet including rack ears Net weight 16 kg...

Страница 24: ...s to suggestions apart audio com CHAMP 3D is developed by Audioprof nv Industriepark Brechtsebaan 8 bus 1 BE 2900 Schoten BELGIUM Company names product names and names of formats etc are the trademarks or registered trademarks of their respective owners 2011 APart Audio specifications subject to change without notice ...

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