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Old 06-05-2011, 07:56 AM   #30
Dannii
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Join Date: Mar 2010
Location: Adelaide, South Australia (originally from Geelong)
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Quote:
Originally Posted by pixeltarian View Post
...check this out:
http://www.prodigy-pro.com/diy/index.php?topic=22828.0


...it's more like a 1290 I guess, but I'm not sure we care about the difference.
That is a very cool build! ...and yeah, I'm not fussed about the naming convention. As far as I'm concerned, the preamp is from a 1073 and that's the most important part to me.
Quote:
Originally Posted by pixeltarian View Post

mind thoughts:

- are we doing Grayhill switches and stepped attenuators? is it worth the extra cost?
I'm happy to keep things simple. I'm guessing most people here will be using these as a DAW front end and I don't really see the need for the extra attenuation options. Besides, if we remove the gain trim and keep it simple, we're keeping the audio path cleaner too.
Quote:
Originally Posted by pixeltarian View Post
- I think you should not worry about racking them to keep costs down. I don't mind racking one nicely and giving detailed instructions on how to punch holes in metal. (step drill/knockout punch. easy peasy.)
I'm happy either way. If people want a complete racked unit, I'm happy to put in the time if they cover the cost of my labour.
I'm also happy to build the PCB's and do all the biasing and setup and supply the finished boards for people to add to their own custom hardware.
I have a Sony MXP390 mixer here that I'm contemplating adding these pre's to so I probably don't need all the extra casing either.
Quote:
Originally Posted by pixeltarian View Post
- there are some front pannel express templates if we go with the madriaanse build. If not, someone can design one with this: http://www.frontpanelexpress.com/download/
Let's see who comes on board here and go from there.
Quote:
Originally Posted by pixeltarian View Post
- that VU is 100 bananas. that's a lot of money.
Agreed. In hindsight, it is a nice kit but not something I really need at this point.
Quote:
Originally Posted by pixeltarian View Post
- we could try to do a group buy for at least the input transformers, and advertise it on tapeop and prodigy pro message boards.
Sounds like a plan. Do you want to initiate that and keep us up to date here?
Quote:
Originally Posted by pixeltarian View Post

also:

"If people are looking at doing this project (1 or 2 channels) a simple and cheap way to do the power supply would be to order a JLM Zener splitter and their 48 volt power supply. It would be under $50 US"

that seems like good info for us.

also here's another good psu:
http://www.fivefishstudios.com/diy-kits/psu-2448mk2-kit
..
Either of these look like good options. I'll have to look into these in more detail.
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Last edited by Dannii; 06-05-2011 at 08:16 AM.
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