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eCOMPACT4BT

ANALOGUE PREAMPS AND MIXERS

4-channel Bluetooth

mixer

USER MANUAL

Содержание eCOMPACT4BT

Страница 1: ...eCOMPACT4BT ANALOGUE PREAMPS AND MIXERS 4 channel Bluetooth mixer USER MANUAL ...

Страница 2: ...ONNECTIONS 11 8 1 Audio Input Connections 12 8 2 Bluetooth connection 15 8 3 Audio output connections 16 8 4 Other connections 19 9 OPERATION AND USE 19 9 1 Start up 19 9 2 Monitoring 20 9 3 Channel gain and equalization 20 9 4 Channel indicators 21 9 5 Talkover function 21 9 6 Outputs 21 10 CONSIDERATIONS 22 10 1 Ground loops 22 10 2 Background noise 22 11 BLOCK DIAGRAM 23 12 TECHNICAL SPECIFICAT...

Страница 3: ... presence of important operating and maintenance servicing instructions in the literature accompanying the appliance WARNING if applicable terminals marked with the symbol may be of sufficient magnitude to constitute a risk of electric shock The external cables connected to the terminals require installation by qualified personnel or the use of pre assembled cables WARNING to prevent fire or shock...

Страница 4: ...ghtning storms or when unused for long periods of time 13 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 14 Mains disco...

Страница 5: ... users Features 4 microphone inputs 6 stereo line inputs USB charging port Bluetooth wireless connection and a mini jack input for external devices All microphone inputs have a switchable high pass filter 3 band tone control and ALT Send sub mix channel on all channels Balanced main output XLR connector SUB OUT output for sub bass XLR connector and alternative ALT output RCA connector Stereo mono ...

Страница 6: ...table high pass filter fc 100 Hz All channels have a 3 band tone control treble midrange and bass Input signal presence and overload indicators on all channels 45 mm faders ALT OUT alternative output send per channel Sub mix available USB port for charging mobile devices Balanced main output MAIN OUT XLR connector Stereo mono switch for main output Signal indicators LED with measured output signal...

Страница 7: ...k If multiple products are installed in the same rack or in a cabinet with closed doors it is highly recommended to install fans in their upper and lower ends for a forced airflow from the bottom up This upward air flow will help to dissipate heat generated inside 5 2 AC connection and powering on The eCOMPACT4BT is powered by alternating current AC through its external power supply 100 240 VAC 50...

Страница 8: ...6 FRONT PANEL ...

Страница 9: ...e on all 4 mixing channels 10 VOLUME channel volume Available on all 4 mixing channels 11 LINE A MIC LINE B audio source selector for channels 2 and 3 LINE A input LINE B input or MIC input 12 HPF high pass filter for MIC input with fixed 100 Hz cut off frequency 13 LINE MIC audio source selector for channel 4 MIC input or LINE input The MIC input features a combo connector XLR TRS jack on front p...

Страница 10: ...7 BACK PANEL ...

Страница 11: ...r MIC inputs and unbalanced RCA connection for LINE inputs 8 RS 232 serial communication port for troubleshooting technical service department 8 CONNECTIONS We recommend turning off all devices or putting them into standby mode before making audio connections whether they are input devices such as audio sources or devices connected to mixer outputs such as power amplifiers When connecting a new au...

Страница 12: ...see chapter 8 2 for more information on how to connect a Bluetooth device Use one of the line input connectors to connect the audio source 1 Channel 1 audio source selector and mini jack connector on front panel o Dual RCA connector connect your stereo sound source CD player smartphone radio tuner streaming player etc directly using a cable that delivers the left L and right R channels to the unit...

Страница 13: ...CA connectors Mono and balanced microphone inputs with 3 pin XLR connector All of them on the rear panel 3 INPUT 2 and 3 connections on rear panel o 3 pin XLR connector Hot or direct signal Pin 2 Cold or inverted signal Pin 3 Ground Pin 1 4 3 pin XLR connector ...

Страница 14: ... input with RCA connectors on rear panel o COMBO connector XLR TRS jack Hot or direct signal Pin 2 Tip Cold or inverted signal Pin 3 Ring Ground Pin 1 Sleeve 5 TRS jack connector On the rear panel of the unit a PHANTOM ON OFF switch allows supplying inputs 2 to 4 with phantom power 48 VDC for microphones that require it usually condenser mics ...

Страница 15: ...ncia The PAIR LED will start flashing 2 On your mobile device go to the Bluetooth settings and select the eCOMPACT4BT device No PIN required to pair 3 Once paired the PAIR LED will stay on To unpair a device press and hold the PAIR button for 2 sec The Bluetooth connection will be available again to pair another device If you select the line input with the switch on channel 1 when a Bluetooth conn...

Страница 16: ...or on rear panel 6 MAIN OUT connectors o 3 pin XLR connector Hot or direct signal Pin 2 Cold or inverted signal Pin 3 Ground Pin 1 7 MAIN OUT 3 pin XLR connector Note the circuit emulates a balancing transformer so if you want to use the MAIN OUT in unbalanced mode the unused output pin must be short circuited to ground Otherwise the output signal will not have the right level or quality ...

Страница 17: ...so if you want to use the SUB OUT in unbalanced mode the unused output pin must be short circuited to ground Otherwise the output signal will not have the right level or quality PHONES OUT headphone output marked with headphone symbol Unbalanced stereo output with 3 5 mm stereo mini jack connector and volume control for headphone listening It is especially useful for listening to the MAIN OUT sign...

Страница 18: ...a balanced output channel is connected to an amplifier or audio device with balanced input the Pin 2 Pin 3 and Pin 1 terminals must be connected point to point between the two devices If you connect a balanced output channel to an amplifier or device with unbalanced audio input leave the terminal Pin 3 unconnected 11 Balanced and unbalanced connections ...

Страница 19: ... for troubleshooting by the authorized technical service It has no use for the user 9 OPERATION AND USE 9 1 Start up Once all connections have been made turn on the eCOMPACT4BT by pressing the power switch located on the rear panel The POWER LED will light green In a complete audio installation it is important to power on the equipment according to the following sequence sound sources microphones ...

Страница 20: ...various audio inputs the GAIN controls of each input should be used to obtain an optimal signal strength and maximum signal to noise ratio so that they can be used properly as sound sources in the installation To do this try to maximize the volume controls of the audio players before adjusting the gain on the eCOMPACT4BT Use the level indicators on the front of the unit VU meters for correct gain ...

Страница 21: ...evice is paired The PAIR LED is off but the eCOMPACT4BT device is on CH1 s line input is selected 9 5 Talkover function When the Talkover function is activated the input signal selected for channel 4 has priority over the main mix bus i e when a signal is detected at the priority input signal level above threshold the mix bus signal is attenuated at the MAIN OUT and SUB OUT ALT OUT is not affected...

Страница 22: ...sign the background noise will directly depend on the correct use and installation of the unit Setting for example a channel FADER to 2 and the MAIN OUT VOL to 10 is not the same as the opposite In the first case the signal entering the mixing amplifier is weak but even so it contains a background noise so the signal noise ratio is low low signal When the output amplifier equally amplifies both pa...

Страница 23: ...11 BLOCK DIAGRAM ...

Страница 24: ... INPUT 1 Connected to INPUT1 LINE Gain Control GAIN 15dB Tone Control BASS MID TREBLE 100Hz 15dB 2kHz 15dB 10kHz 15dB THD N LINE MICRO AUX BLUETOOTH INPUT 0 03 0 06 0 03 0 05 Signal Noise Ratio LINE MICRO AUX BLUETOOTH INPUT 100dB 90dB 100Db 100dB CMRR BAL INPUTS 75dB 1kHz Micro 2 4 High Pass Filter 100Hz 3dB 2nd order OUTPUTS Output Level MAIN OUT SUB OUT ALT OUT HEADPHONES 0dBV 0dBV 0dBV 200mV O...

Страница 25: ...25 13 PACKAGE CONTENTS eCOMPACT4BT 3URMKIT included rack mount accessory External power supply Adhesive feet for table top installation Quick User Guide and Warranty Card ...

Страница 26: ...riation due to production tolerances NEEC AUDIO BARCELONA S L reserves the right to make design or manufacturing changes that may affect these product specifications Motors 166 168 08038 Barcelona Spain 34 932238403 information ecler es www ecler com ...

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