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When you need to install a different Boston Acoustics BA X8 digital Mixer paired with a Karaoke system 
with the same configurations (Speakers, Microphone ...) that you have set to calibrate, you just need to 
click on the saved program line in your computer and click 

Update To Equip

 to use immediately.

 

y

To set the volume level to start working as soon as the Mixer is turned on and the volume level is 
limited when the Mixer is active, just like on the computer software screen, press the 

SYSTEM

 button 

right on the Mixer, from the 6th time onwards, you will findthe following items:

 

y

Music Start:

 (

Music Star Vol

 - on the Mixer screen) Default volume level for music when using Mixer, 

turn the MIC VOL knob to adjust 0 -> 80.

 

y

Music Max:

 (

Music Limter Vol

 - on the Mixer screen) Limit the maximum volume level for music when 

using the Mixer, turn 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 Limter Vol

 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 turned on 

using Mixer, turn the MIC VOL knob to adjust 0 -> 80.

 

y

MicB Max:

 (

MicB Limter Vol

 Limit the maximum volume level for Micro A when using the Mixer, turn 

the MIC VOL knob to adjust 0 -> 80. 

 

y

Effect Start:

 (

Effect Star Vol

 - on the Mixer screen) The default volume for the effect sound when Mixer 

is turned on, turn the MIC VOL knob to adjust 0 -> 80. 

 

y

Effect Max:

 (

Effect Limter Vol

 - on the Mixer screen) Limit the maximum volume level for the effect 

sound when Mixer is turned on, turn the knob to adjust 0 -> 80.

 

y

LOCK:

 disable / unlock or allow manual adjustment of parameters directly on Mixer, except volume

 

y

MUTE:

 Mute / unmute the Mixer.

15

Содержание BA X8

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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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