Post pics of your builds.... - Page 97

You mean like this?



The chassis isn't my creation, but 95% of what you see in the picture is mine.

Looks great! how about the cabinet? What's the model?

Hammond 1455L1201

Thanks a lot

I meant something sexy, like the crossover....

I guess I shouldn't show you any pics of my M3 then. That's got some scary wiring in it from me putting the M3, crossfeed w/ rotary switch, and e12 into an enclosure barely big enough for the M3 by itself.

AV-710 "TotalCap" mod

Caps used: Illinois Capacitor AFX/AFD (os-cons), 22uF/16V dip tantalum, 22uF/6.3V NX Hi-Q Black Gate

LDO 5V regulator:
-input (C11) - AFD 120uF/20V
-output (C12, C13) - 2 x 22uF tantis
LDO 3.3V regulator :
-input (C14) - AFX 47uF/16V
-output (C15) - 22uF/16V tant

DAC powercaps:
-AVDD - AFX 33uF/16V
-DVDD - AFX 47uF/16V
-AMID - AFX 33uF/16V

Output caps:
- 2 x 22uF/6.3V NX Hi-Q

I soldered everything on the top side (except for a single BG cap) to avoid the ground plane, which is a heatsink. Desoldering of the original caps could be tricky - I used smallest 800F conical tip, and it takes 5-7 sec to melt the ground joint. Be cautious with the signal ouput caps - they have tiny bonds on both sides.

Quality-wise, "The TotalCap" mod is a only a minor improvement over the (far more rewarding) simple output caps replacement. My guess is that the bass gets lower, but the overall difference is subtle.

Went to my favorite electronics store last night and bought 2 toggle switches and 4 1/8" jacks so I could make a switchbox.

Here it is in action, sitting right next to my CMoy (the CMoy is velcroed to the side of my moniter stand, and the switch rubber banded to the amp.)



edit, hit the enter button and it submitted the post. anyway, here's the obligatory innards shot:



I might just start a whole line of Altoids audio accessories. I want a DAC in a tin now

SOCRAM passive switchbox

Here's the final product of my switchbox layout. Gave it the name SOCRAM because it switches between SOurces, CRossfeeds, and AMps. It can switch between 4 sources, 2 crossfeeds plus a bypass option, and 4 amps.

It's enclosure is hammond's largest 1455 series, with Cardas CTFA RCAs, Lorlin rotary switches, and Canare starquad internal wiring.

The layout schematic can be found here.
Enjoy

EDIT: The writeup can be found here: http://www.mb3k.com/socram.html

Modified Linkwitz Crossfeed

I made a second Linkwitz crossfeed, this time I cased it up in a standard hammond. Nothing too complicated. I made the casing match the characteristics of my Cross-1. Soon I'll reveal the entire setup together...

The rotary switch is hooked up the 'silent way' and of course the resistors are the high-z values. For now here are two pics of the linkwitz:

I love the look of those laser etched panels! Wish I could have that done!

MB3K: Very nice job on the switchbox, i like it a lot. One question though: did you really need all those separate input/outputs for the crossfeed? Since you have an off position for the crossfeed you should be able to just go input (selected by switch) -> off crossfeed (which as no effect)-> output (selected by switch). Then, if you turn it on, it will crossfeed whichever input you have selected, rather than having to loop to the crossfeed input...
Just a suggestion, i love the way it turned out anyway.

Holy guacamole, that's a lot of RCA connectors. I wanna see what it looks like on the inside!

And SOCRAM is a nice name, sounds like a missile or something.

Wow, that was confusing, I'm not sure what you mean. I have 2 sepearate crossfeed filters and the middle switch just switches between them (switching between both the R/L inputs and outputs at the same time). I know the off position on the switch is a bit redundant but I had room on the rotary switch so I just put it in.


Those RCAs are all Cardas ones, so it costed a pretty penny. The name... well it sorta sounds like SOCOM Navy Seals maybe thats where you got the idea haha. For the inside, I used the StarQuad cables.

Actually I was thinking more along the lines of the AMRAAM missile.