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Author Topic: microphone mixer???..  (Read 2591 times)

Offline quedee

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microphone mixer???..
« on: March 09, 2010, 10:43:53 AM »


ask ko lang po dun po sa schem,. pwede po bang gitara ang input nya?? imbes na mic.. tapos ung out po ba eh pwedeng sa guitar amp? o deretso na sa speaker??..  ???

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microphone mixer???..
« on: March 09, 2010, 10:43:53 AM »

Offline rei vax

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Re: microphone mixer???..
« Reply #1 on: March 09, 2010, 10:55:05 AM »
kung hindi po ako nagkakamali eh ang pick up ng gitara eh mic nga po,
elab is perfect

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Re: microphone mixer???..
« Reply #1 on: March 09, 2010, 10:55:05 AM »

Offline quedee

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Re: microphone mixer???..
« Reply #2 on: March 09, 2010, 03:41:46 PM »
ay oo nga pala.. nonsense pala tong thread ko.. moderator's paki delete na lang po nito...

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Re: microphone mixer???..
« Reply #2 on: March 09, 2010, 03:41:46 PM »

Offline john_xd

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Re: microphone mixer???..
« Reply #3 on: March 09, 2010, 04:37:25 PM »
hehhee

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Re: microphone mixer???..
« Reply #3 on: March 09, 2010, 04:37:25 PM »

Offline rei vax

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Re: microphone mixer???..
« Reply #4 on: March 10, 2010, 04:03:54 PM »
Ganun talaga tayong mga newbie,
elab is perfect

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Re: microphone mixer???..
« Reply #4 on: March 10, 2010, 04:03:54 PM »

Offline TinTopHack

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Re: microphone mixer???..
« Reply #5 on: March 10, 2010, 06:36:29 PM »


ask ko lang po dun po sa schem,. pwede po bang gitara ang input nya?? imbes na mic.. tapos ung out po ba eh pwedeng sa guitar amp? o deretso na sa speaker??..  ???

It is NOT nonsense at all.

Depende sa guitar pickup mo and the values of the resistors in the circuit - pwedeng OK or pwede OK ang resulting sound.

Regarding naman sa question mo kung pwede in connect sa guitar amp - depende sa sensitivity ng guitar amp. Kung mababa ang sensitivity you can increase the gain of the output stage if the mixer.

If your quitar pickup is magnetic mas madali because relatively low impedance yan kaya madali i-adapt and mic input sa magnetic guitar pickup - because most mic mixer are also designed for magnetic (dynamic) microphones.

If your quitar pickup is piezo type then you will need a very high imput impedance so a mic mixer will not give you good sound results. Connecting a piezo pickup to a mic input will usually result in a guitar sound na kulang sa bass.

Diretso s speaker - NO
The world, as everybody knows, is analog; unless, of course, it's digitized.

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Re: microphone mixer???..
« Reply #6 on: March 10, 2010, 07:34:38 PM »
^ thanks tiptop.
http://www.till.com/articles/GuitarPreamp/

i read a manual (makie mixer) na iba iba ang input sensitivity (db)

from phono, line, mic, and guitars. get a decent, or make a guitar to line preamp.
or guitar to balanced xlr mic connectors.

Offline quedee

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Re: microphone mixer???..
« Reply #7 on: March 11, 2010, 04:12:12 PM »
thanks sir tintop.. i-check ko kung magnetic ung ginagamit kong de-clip na pick-up..

Offline quedee

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Re: microphone mixer???..
« Reply #8 on: March 15, 2010, 05:27:54 PM »

^ ask ko lang po.. paanu ko po ico-connect ung -9v??? same ba sya ng ground?? medyo confuse po ???.. patulong naman... TIA ;D

Offline TinTopHack

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Re: microphone mixer???..
« Reply #9 on: March 16, 2010, 12:46:04 AM »

^ ask ko lang po.. paanu ko po ico-connect ung -9v??? same ba sya ng ground?? medyo confuse po ???.. patulong naman... TIA ;D

Ibig sabihin you need a bipolar power supply. Merong +9V and -9V while ground is 0V.
The world, as everybody knows, is analog; unless, of course, it's digitized.

Offline subzer0

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Re: microphone mixer???..
« Reply #10 on: March 16, 2010, 01:02:46 AM »
tama si sir tintop split power supply tawag dun,halimbawa isang 7809(+9V) at isang 7909(-9V) ang gagamitin mo at iisa yung ground nila.
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Offline quedee

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Re: microphone mixer???..
« Reply #11 on: March 16, 2010, 09:30:14 AM »
ah ganun pala un.. kala ko ground din ung -9v.. buti na lang.. so kung isang 9v batt ang gagamitin ko,, gagamit dapat ako ng 7809 at 7909??

Offline quedee

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Re: microphone mixer???..
« Reply #12 on: March 16, 2010, 10:21:31 AM »

^ eto po pwede na kaya to..  ;D

Offline subzer0

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Re: microphone mixer???..
« Reply #13 on: March 16, 2010, 10:24:12 AM »
ah ganun pala un.. kala ko ground din ung -9v.. buti na lang.. so kung isang 9v batt ang gagamitin ko,, gagamit dapat ako ng 7809 at 7909??

di kaya ng 9V batt na idrive ang 7809/7909 dapat at least 11V or more,kung gagamit ka ng battery,dalawang 9V battery gagamitin mo.pagkakabitin mo yung isang positive ng battery at isang negative ng battery yun ang common ground,yung natirang positve terminal isupply mo sa +9V dun sa op-amp, at sa natirang negative terminal dun naman sa +9V ng op-amp.

      
sa figure 18 link sa baba ang gagamitin mong reference,palitan mo lang ng 7809/7909.


http://www.genesis-microchip.com/stonline/books/pdf/docs/1707.pdf


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Offline quedee

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Re: microphone mixer???..
« Reply #14 on: March 16, 2010, 10:32:37 AM »
^ thanks sir icefire for the info... may natutunan na naman ako..

Offline ece.lourence

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Re: microphone mixer???..
« Reply #15 on: March 16, 2010, 12:51:11 PM »
zzzzzz

Offline subzer0

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Re: microphone mixer???..
« Reply #16 on: March 16, 2010, 06:06:27 PM »
whats the use of U2? thanks

buffer lang ang gamit ng U2 to strengthen the output signal from U1.
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Offline john_xd

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Re: microphone mixer???..
« Reply #17 on: March 16, 2010, 08:11:41 PM »
OT po may alam po ba dito yung mic pream with echo..yung simple lang po.TIA

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Re: microphone mixer???..
« Reply #18 on: March 16, 2010, 08:27:51 PM »
sa alexan meron nito. hingi ka lang nang zerox.
i did this a decade ago pa. gulp.
pero magandang echo circuit yun.

Offline john_xd

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Re: microphone mixer???..
« Reply #19 on: March 16, 2010, 08:41:47 PM »
wala po kasing alexan dito sa province tsaka wala na rin pong available sa mga local stores

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Re: microphone mixer???..
« Reply #19 on: March 16, 2010, 08:41:47 PM »

 

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