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Boston Acoustics BA X8

Karaoke Mixer

User Manual

bostonacousticspro.com

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Summary of Contents for BA X8

Page 1: ...Boston Acoustics BA X8 Karaoke Mixer User Manual bostonacousticspro com ...

Page 2: ...al processing The Boston Acoustics BA X8 features excellent howling and hissing reduction diverse audio input ports and an intuitive vivid interface that is easily adjusted by hand right on the Mixer and by computer INTRODUCTION 1 1 Please keep this document for future reference 2 Please keep all packaging and documentation for easy transport to warranty repair center when needed 3 The power sourc...

Page 3: ...or the subwoofer adding bass 9 SC Press to adjust settings for Surround speakers sub speakers additionally support creating surround sound placed behind the stand out position and Center speaker sub speaker supporting vocals placed in the middle 2 main speakers 10 SYSTEM Press to adjust the audio source connection port and set parameters for the system control 11 SAVE Press to save the calibration...

Page 4: ...t for connecting subwoofer y SR SL Audio output for Left Right 2 channel Surround speaker for better karaoke sound with surround sound set 4 REC OUT Left Right 2 channel Analog audio output terminal using RCA jack lotus jack This port can be used to connect the Subwoofer AUDIO INPUT 5 IN1 IN2 Left Right 2 channel Analog audio input port uses RCA jack lotus jack to connect traditional Karaoke DVD p...

Page 5: ... 2 times navigate to the 15 band Equalizer for MUSIC press the UP ESC and DOWN buttons turn the Control knob to change setting y EQ 1 EQ 5 for tuning Bass frequency from 20 5Hz 125Hz y EQ 5 EQ 11 for tuning frequency 125Hz 1920Hz y EQ 11 EQ 15 for tuning high frequency 1920Hz 12000Hz y For Dance music you can increase the bass 63Hz 125Hz about 2 3 dB to give the Bass more power reduce the Midrange...

Page 6: ... click open to run the software On interface software in the Music section you will find the following options In addition to choosing the HPF Freq to cut the Bass band frequency there is also a LPF Freq setting to cut the High band frequency a crossover filter with 3 types of crossover Bessel Butterworth Link Riley Linkwitz Riley with a 24 48dB oct option The Music section calibrates depending on...

Page 7: ...ency 1500Hz 7850Hz Press the MAIN UP ESC and DOWN buttons turn the Control knob to adjust theCompressorfunction to process the compression to audio passing threshold to balance the volume and soften the sound y AT Attack the amount of time it takes to switch from the original signal to a fully compressed form after the signal exceeds the threshold of sound intensity y LU Threshold Sound intensity ...

Page 8: ...te the Control knob to cut HPF and LPF frequencies Crossover settings have 3 types of frequency cuts Bessel Butterworth Link Riley Linkwitz Riley and an option for 24 48dB oct y Click the SUB button press the UP ESC and DOWN buttons rotate the Control knob to change the 8 band EQ calibration parameters from 20 9Hz 227Hz y Click the SUB button press the UP ESC and DOWN buttons rotate the Control kn...

Page 9: ...OWN button rotate the Control knob to turn on the anti howling mode anti Feedback with 3 optional levels choose the active microphone port as MicA port front port or MicB back port Hold the MIC button press the DOWN button to select HPF to cut the Bass band frequency for the microphone on the software select LPF to cut the High band frequency Crossover filter with 3 cutting formats Bessel Butterwo...

Page 10: ...frequency 125Hz 1920Hz y EQ 11 EQ 15 high frequency 1920Hz 12000Hz Depending on the voice quality of each person and depending on the type of microphone you can make basic adjustments as follows y For people with a rich bass heavy voice the sound intensity should be reduced between 125Hz and 250Hz to avoid humming y For people with a thin voice it is recommended to increase the sound intensity bet...

Page 11: ...f vocals Depending on the space and the specific genre of music you can make adjustments as follows y For lyrical Bolero music slow tempo ballads decrease the repeat speed 185ms 195ms so that the banding is in harmony with the rhythm and accompaniment y For Remix music Dance music Rock fast tempo push the repetition speed up 157ms to reduce the level of Delay y Repeat Echo Repeat Ratio is the degr...

Page 12: ...o of the voice usually left between 1500ms and 3120ms depending on the speakers and space y Reverb Pre Delay is the time delay before the echo starts normally left at O because Reverb will not need Delay y HPF cut the Bass band frequency for Reverb usually cut in the range from 75Hz to 110Hz to help the Reverb sound thick and reduce humming and howling when singing y LPF to cut the High band frequ...

Page 13: ... to mode press the UP ESC button choose to save into one of the 16 pre programmed modes then press SAVE DOWN select Yes On Mixer after manually adjusting and saving to a mode please press the RECALL button press the UP ESC button to select the mode you want to use then press the RECALL button The screen will show Recall Mode Press the DOWN button select Yes On the software go to Num click Factory ...

Page 14: ...Then click on Name to rename for easy use Then click Save After clicking Save press Use to load using the newly adjusted program settings 13 ...

Page 15: ...gram you have set up on your computer copy the newly created Mode name line in Name and Past Paste into the Local Mode Name as shown then click the Save Mode Local box the installation program will be saved in your computer 14 ...

Page 16: ...urn the MIC VOL knob to adjust 0 80 y MicA Start MicA Star Vol on the Mixer screen Default volume level for Microphone A when Mixer is turned on turn the MIC VOL knob to adjust 0 80 y MicA Max MicA LimterVol Limit the maximum volume level for Microphone A when using the Mixer turn the MIC VOL knob to adjust 0 80 y MicB Start MicB Star Vol on the Mixer screen Default volume level for Micro A when t...

Page 17: ...help keep the sound from howling Customize Mixer s anti howling mode The MIC_FBE entry in the Mic section of the computer software Use computer software to turn on off Lock mode which does not allow or allows manual adjustment on the Mixer except for volume y On the computer software screen click Enable Lock mode not allow click Disable UnLock mode allow 16 ...

Page 18: ...et Lock press DOWN to switch to Mode ON Mixer is still in Lock mode turn the Control button select OFF press SAVE press DOWN select Yes Mixer is completely unlocked by now you can adjust all features y System Reset select if you want to switch the Mixer back to the factory default settings TECHNICAL SPECIFICATIONS 17 Model BA X8 Wireless connection Bluetooth Input 6 3mm jack for microphone RCA and...

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