CJ said:it is not just a DI box, it is a bass boosting di box.
the jensen transformer will work if you want a generic git center pro co di,
i believe we are trying to build a di with a different sound, correct?
you should get what you are after with the LS-10, just hook it up the way the kind man has it on his pic with the red wires and stuff.
that big utc case probably has about 5 layers of steel inside it, 3 nested cans and maybe some copper in between, don't know for sure, never had the money to buy one for "experimentation"
if the large inductance of the utc ls-10 sec. does not do it, try the WE 111c,
people put there stuff thru that one for more bass, ask Soundguy, if he is still alive,
probably out rock climbing somewhere with NY Dave.
or not.
wonder what happened with the new UTC the guy ordered, Magnetica not using the same materials or winding technique?
or, maybe it is the 40 year break in period, i do not know.
if you inject a huge 60 hz signal into a new trans, a signal large enuff to saturate the core 5 times over, you will get more inductance with no break in period.
but this seems to work better on steel lams, not as great as effect as the alloy stuff.
we111c would be more for line level stuff, so i had the wrong application there,
Gus said:If I understand correctly this is a passive step down transformer box? The one picture looks like two connectors and a transformer, is there anything else besides the case?
How predictable is this circuit? Is this to add bass to a source like the output of an active gain stage or for a passive bass or is it for all of that? As note before in this thread the transformer will interact with the source(z and level) and loading
I have no concern or interest in what Mr. Swedien may or may not have done, ever. Comparing the J*nsen and any UTC DI will reveal the lack of bass in the former. I gain nothing from this, it just is what it is.pucho812 said:bockaudio said:pucho812 said:For what it's worth the best d.i. I ever heard was built right off the Jensen data sheet using a Jensen transformer. If you can't afford a Jensen then Cinemag will do you just fine.
there is no competition between the j*nsen and the old UTC. the UTC will be better. This is an admirable project.
Well sir I cannot comment on using that particular transformer as a D.I. or anything else as I never used them. More over I have never used any utc as a d.i. so I can only comment on one of my experiences which happen to be using the Jensen D.I. transformer and building the design off the data sheet. I have used utc in other applications and to be honest it did sound pleasing to my ear but then again that's all perspective, opinion and using the right tool(in this case a transformer) for the job. Reality is this thread started because someone wants to build a d.i. In fact, he/she wishes to build an exact copy of a d.i. Bruce Swedien has built and used. There are too much variables in the recorded sound to say this magic d.i. is responsible for every bass sound on thriller or any other album Mr. Swedien has done. More over we know from the data sheets that the UTC in question may be better suited in other applications. There is a part of smoke and mirrors to the story in the fact that he built one and then couldn't build a second one because it never worked the same? Sounds a little like P.T. barnum combined with actual fact and sonics.
bernbrue said:Hi,
this thread is funny! If I only knew what Bruce had eaten when he was mixing "Thriller" I would eat the same meal everyday. Seems to make the mixes somehow better. I don´t know why, but it sounds more like .......... Chilly con Carne.
Take a Bo Hansen, G9 or REDD 47/Rude Tube with good iron as DI and then there is no need to eat Chilly con Carne everyday.
bon appetit
Bernd
Well Spoken. There are many passive and active d.i. designs out there, what works for Mr. Swedien may or may not work for cocoman.
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