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saxoftenest
 Post subject: MKC1
PostPosted: Mon Mar 19, 2012 8:39 am 
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Location: Cleveland, OH
Here's a verified and squished layout of Tonmann's MKC1. Board just BARELY fits in a 1590A for the masochists out there.

Image

Here it is mid-wiring, getting ready for the breadboard:
Image

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GrindCustoms
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 8:40 am 
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Location: Rouyn-Noranda, Qc
Yes!! Thanks for that layout! 8)

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Comfort Player wrote:
After reflowing and several attempts at signal tracing and switch testing I plugged in the power.
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saxoftenest
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 8:59 am 
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It's not the prettiest, but it gets the job done. A couple notes:

There is one shared hole :shock: under IC1 at LG.
Be careful with placement of the 1uF's in the bottom right corner, it's a bit tight.

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p_wats
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 9:01 am 
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saxoftenest wrote:

Here it is mid-wiring, getting ready for the breadboard:
Image


Wow that looks awesome! Like some sci-fi creature!

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Kunfuz
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 9:10 am 
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GrindCustoms
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 9:10 am 
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Tight spots, shared holes..........this layout is win! :lol:

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Comfort Player wrote:
After reflowing and several attempts at signal tracing and switch testing I plugged in the power.
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GrindCustoms
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 2:56 pm 
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What is the un-identified resistor/diode under R24?

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Comfort Player wrote:
After reflowing and several attempts at signal tracing and switch testing I plugged in the power.
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guitarmageddon
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 3:07 pm 
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GrindCustoms wrote:
What is the un-identified resistor/diode under R24?

D3

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mrclean77
 Post subject: Re: MKC1
PostPosted: Mon Mar 19, 2012 3:38 pm 
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:shock:

Why must you torment me?!?! You KNOW I have to try it.... :evil: :evil: :mrgreen: :mrgreen:

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DrRJE
 Post subject: Re: MKC1
PostPosted: Fri Apr 27, 2012 2:36 pm 
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anybody box one of these up yet? I just cut some vero for it and it looks like a tiiiiiight squeeze.

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saxoftenest
 Post subject: Re: MKC1
PostPosted: Fri Apr 27, 2012 3:03 pm 
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Yep. VERY tight:
Image

Here's a couple tips:

    Insulate the edges of the copper traces with tape, etc. to keep them from grounding out on the enclosure.
    Don't use one of Barry's 3pdt boards. Only idiots and masochists do that with this circuit and enclosure. :mrgreen:
    Drill through the cuts above C14 and below C18 to act as a pass through for the wires coming from the other side of the board. You can't really see it in the above pic, but it really helps. I should have done that with the other wiring that ran over the board...
    Send a small donation Barry's way.

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DrRJE
 Post subject: Re: MKC1
PostPosted: Fri Apr 27, 2012 3:25 pm 
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phew....

thanks for the tips!

I gave Barry a nice donation during his tax drive...almost put it over the top -- hope he got there ;)

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saxoftenest
 Post subject: Re: MKC1
PostPosted: Sat Jul 07, 2012 5:16 pm 
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Quick suggestion: I just dropped an OPA2134 in the IC2 position, and it is SWEET. None of the nasty TL072 clipping, all of the Kloney goodness. I tried a few others (the usual suspects: JRC4558, JRC4580, etc.), but this was my fav.

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