DJ Mixer

Samuel Jayaraj · 31st January 2002, 02:03 PM

Around where I live, in DJ performances, the Denon DJ CD player is used along with a Gemini DJ Mixer. While the Denon is about the best in the industry, the sound of the Gemini is quite harsh.

Does anybody have schematics of DJ mixers? How do they manage to get -32db cut and +12db boost on the tone controls?

I am interested in building one with better quality active devices.

Thanks in advance.

richt · 31st January 2002, 02:27 PM

hi

basically the gain pot is not balanced in resistance from the center
in some designs !

if you want a better sound !! buy a new mixer ! or
elliminate from the gemini, all the china electrolitic capacitors &
replace it with panasonic fc series & if the output of the mixer
have some transistor mute circuit , please rip it out completly ~!

questions let me know.

richt

you wont be dissapointed !!!

Samuel Jayaraj · 1st February 2002, 11:32 AM

richt,

Thanks for the input. I do not own a Gemini DJ Mixer but do get it from others whenever required in a show. What I do have is a StudioMaster Club2000 - 142 Mixer which is a Multichannel mixer. I am interested in constructing the DJ Mixer from scratch. Hence, the quest for available schematics.

hugobross · 2nd February 2002, 01:15 PM

Hi check this out:

http://sound.westhost.com/misclink.htm#mixers
http://www.epanorama.net/links/audiocircuits.html#mixer

http://www.mitedu.freeserve.co.uk/Ci...dio/6ipmix.htm
http://radio.about.com/gi/dynamic/of...tt%2Fmay20.htm
http://www.hut.fi/Misc/Electronics/c...linemixer.html

Indeed, as DJ, I hate those cheap names.
In Belgium we use RODEC mixers, very nice brand!!!

Best regards,

HB.

ftorres · 2nd February 2002, 10:07 PM

Hi,

Take a look at

http://www.rane.com/procat.html#djmixers

You can download schematics of these devices. BTW, all the Rane site is worth the visit, almost all the schematics and user manuals are here.

Hope this helps

31st January 2002, 02:03 PM	#1
Samuel Jayaraj diyAudio Member Join Date: May 2001 Location: Bangalore, India	DJ Mixer Around where I live, in DJ performances, the Denon DJ CD player is used along with a Gemini DJ Mixer. While the Denon is about the best in the industry, the sound of the Gemini is quite harsh. Does anybody have schematics of DJ mixers? How do they manage to get -32db cut and +12db boost on the tone controls? I am interested in building one with better quality active devices. Thanks in advance. __________________ Sam

1st February 2002, 11:32 AM	#3
Samuel Jayaraj diyAudio Member Join Date: May 2001 Location: Bangalore, India	richt, Thanks for the input. I do not own a Gemini DJ Mixer but do get it from others whenever required in a show. What I do have is a StudioMaster Club2000 - 142 Mixer which is a Multichannel mixer. I am interested in constructing the DJ Mixer from scratch. Hence, the quest for available schematics. __________________ Sam

2nd February 2002, 10:07 PM	#5
ftorres diyAudio Member Join Date: Apr 2001 Location: Limoges, France	Hi, Take a look at http://www.rane.com/procat.html#djmixers You can download schematics of these devices. BTW, all the Rane site is worth the visit, almost all the schematics and user manuals are here. Hope this helps __________________ François "Learning French is trivial: the word for horse is cheval, and everything else follows in the same way."

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31st January 2002, 02:27 PM	#2
richt diyAudio Member Join Date: Nov 2001 Location: puerto rico	hi basically the gain pot is not balanced in resistance from the center in some designs ! if you want a better sound !! buy a new mixer ! or elliminate from the gemini, all the china electrolitic capacitors & replace it with panasonic fc series & if the output of the mixer have some transistor mute circuit , please rip it out completly ~! questions let me know. richt you wont be dissapointed !!!

2nd February 2002, 01:15 PM	#4
hugobross diyAudio Member Join Date: Jun 2001 Location: Flanders, Belgium	Hi check this out: http://sound.westhost.com/misclink.htm#mixers http://www.epanorama.net/links/audiocircuits.html#mixer http://www.mitedu.freeserve.co.uk/Ci...dio/6ipmix.htm http://radio.about.com/gi/dynamic/of...tt%2Fmay20.htm http://www.hut.fi/Misc/Electronics/c...linemixer.html Indeed, as DJ, I hate those cheap names. In Belgium we use RODEC mixers, very nice brand!!! Best regards, HB.

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