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mixer mods (adding a mute to each channel)

 
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ocoughi



Joined: 26 Feb 2009
Posts: 118
Location: lyon/france

PostPosted: Sat Jan 09, 2010 11:49 am    Post subject: mixer mods (adding a mute to each channel) Reply with quote

greetings,
so i have a new desk, yammy mc 1202, as i said in previous post...
good sound and all fonctionnal! i have to learn a new way of mixing cause it's diferent from my past mackie lm3204 (rackmounted).
i need to clean the inside cause there are some scratchy and hard pots; i was wondering if it was a good thing to add some mutes on some channels when i'll open her? i see two way of doing this: unsoldering the (+) of the input jack of each channel and add a simple switch on/off? it may work? or add this on/off switch directly at the fader output (middle pin)?
anyone did this before? i'm totally crazy or it is so simple as i wrote it?
Peace & bending

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ocoughi



Joined: 26 Feb 2009
Posts: 118
Location: lyon/france

PostPosted: Sat Jan 09, 2010 12:14 pm    Post subject: Reply with quote

or like this ,maybe it's better, it's like wiring insert out to nowere, so no sound?

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leitmo



Joined: 21 Oct 2009
Posts: 25

PostPosted: Wed Jan 13, 2010 3:32 pm    Post subject: Reply with quote

Hi ocoughi!

i would solder it AFTER-FADER but keep in mind that all your AUX SENDS will keep sending signal while channel is MUTED

maybe 2 switches, first one for muting channel and second one for muting aux sends

hope it helps!

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ocoughi



Joined: 26 Feb 2009
Posts: 118
Location: lyon/france

PostPosted: Fri Jan 15, 2010 1:37 pm    Post subject: Reply with quote

Yep! i think it's better in pre-aux cause the mute i imagined was here to send signal to delay in a more brutal way than the faders. Anyway i'll see clearly the better way to implant this switch when i'll open the mixer; i don't want to make fatal mistakes while soldering the thing so it must be easy to do...if not i prefer abandon this add mute and work with the faders, afterall it works too!
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leitmo



Joined: 21 Oct 2009
Posts: 25

PostPosted: Fri Jan 15, 2010 4:17 pm    Post subject: Reply with quote

hi again ocoughi!

totally agree with you, have to be certain sure you won't destroy anything, although it's an easy fix have to keep in mind you'll have to make a hole for MUTE switch...12 perfect holes on thick steel or iron...it's not easy as it seems

if you're not sure just keep it as it is

Hope it helps!

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rufus13



Joined: 13 Feb 2010
Posts: 4
Location: I-5, Oregon/Washington

PostPosted: Sat Feb 13, 2010 6:41 am    Post subject: where to drop in a switch? Reply with quote

I would open a piece of PCB trace and solder in place a pair of jumper pins that a push-on connector could lead up to a switch. If you decided to delete this "feature", push a jumper over the pins on the PCB and tape over the hole in the panel. Add a note to the user manual about this PCB "feature".

Where? Between the clip indicator and the channel fader. The clip indicator might continue to work (?) which could be useful. I'd try this mod before drilling the panel to see if it is going to good/useful.

To control the Aux pre-post-open(mute) status, do the same thing with a push-on connector using the pins already on the board.

Most channel strips are pretty packed with controls already. If the mixer is short-loaded, a blank panel might be used to hold these kind of switches.

The usual cautions apply. Mod's are best accomplished while unplugged from mains voltage. Good holes in sheet metal are made by drilling a small hole with a sharp bit and using a 2-sided punch, like those made by Greenlee. Not cheap! Be careful to not let metal get near any electronic circuits or remain inside the chassis.

Value of the mixer/channel will be negatively affected by modification unless you make a platinum record with it.

Best wishes.
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rufus13



Joined: 13 Feb 2010
Posts: 4
Location: I-5, Oregon/Washington

PostPosted: Sat Feb 13, 2010 6:49 am    Post subject: duh... Reply with quote

This is an INSERT line! Just build an insert jack with a switch on it to open the tip and short the ring to the sleeve.

Everything quiet, including Auxes, unless you can get your EQ's to oscillate (joke only!).
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JahNice



Joined: 17 Jan 2008
Posts: 256
Location: Dortmund City

PostPosted: Sat Feb 13, 2010 12:19 pm    Post subject: Thanks & Welcome Rufus13 Reply with quote

Very interesting information, thank you Rufus13. Sounds like you got some
valuable professional knowledge, hope you stick around to share some of
that with us (mostly) non-professional enthusiasts!!

The insert line solution would not be ideal, because when dubbing u want the
signal to reach the auxes even when channel is muted, at least i prefer it
that way. So one can go "fishing" some sound bits from the original (Muted)
signal and send it to, lets say, a reverb-->delay-->phaser chain, to get
interresting sound massacre Cool stupid

Also for dub you want to use the inserts for other things (phasers, delays,
reverbs,anything) than a mute button, right?

If one can put a mute button between the clip indicator and the channel
fader like rufus13 initially proposed- it would be the best in my opinion.

Salutation Peace Yiannis
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rufus13



Joined: 13 Feb 2010
Posts: 4
Location: I-5, Oregon/Washington

PostPosted: Sun Feb 14, 2010 10:23 pm    Post subject: Reply with quote

Assuming no automation, and a completely manual analog board....

Yes, the channel insert jack is a useful thing for adding effects if you have lots of them. If you don't have many effects, use the Aux inserts and the buss inserts. Even pretty basic 8x4x2 mixers (like Soundcraft 200-series) have 4 real-fully-functional Aux's, and some give the option of almost 6 (3&4 are switchable to 5&6). For dub and high-effect count styles, several small mixers can be more useful than the same number of raw inputs in one mixer because of the immense routeability inside each desk. For location events, an 8-input mixer (or 3) is front-seat portable where a 24-input mixer is too big/heavy.

Tape and popsicle sticks can "group" adjacent mute buttons if they are the push kind.

Are any of you using 1U quad gates as channel mutes controlled by sidechain? Used gates are cheap and fun.

Cheers.
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JahNice



Joined: 17 Jan 2008
Posts: 256
Location: Dortmund City

PostPosted: Mon Feb 15, 2010 12:58 am    Post subject: Studio trickery / Voodoo Reply with quote

Surprised ^^droppin' Science.....


yes i also operate two mixers at home (10 & 6 channel)because i cant
afford a big basic one yet..And it would be to early to get one, have to get
decent monitor & Mic first! And i got no mute buttons also, but i love the
fadin & slidin for now Smile


+yes analog is the path scattered with lots of fx..


thanks for the tricks Beer

I.
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