Hi, I found someone to do a little of the soldering for me and my basic Question is what Mods should I consider first? I've read the FAQover at the Asylum and...
here's a start: -Replace the power supply diodes with Schottky type -Replace the stock op-amp with a LT1362CN in a gold plated socket. -Remove the A/D op-amp...
It's very nice to have a chance at getting a better Digital front end for far less money. How is Joule affiliated with the ART? I should be getting mine soon...
hi jud, does this mean yure now gonna send me a gnu fully-optioned, 150 mklll preamp, gratis? ;~) that list is basically what i've done to my di/o, except...
glad to be able to help. i forgot one - biasing the op-amp to operate in class-a, but this is actually a bit more difficult... afaik, jud barbour of joule, is...
Could you elaborate on the transformer upgrade? Thanks for the other link. Thanks again this is great. ... operate ... up ... end ... controll ... socket. ...
search for gary's posts regarding the jensen transformers (gbronn); & recently, edcor, which is a much cheaper transformer awailable (~$8, vs the ~$70 for the...
Doug and Nathan, I added details of the output transformer mod to the files section so that people won't need to search through old messages to find details. ...
To All, Joule Electra is not affiliated with ART. I am working with a tubed output stage for the DIO and want to compare it with the op amps and transformer ...
All, Is there any interest or past efforts in using the existing tube input stage as an output stage? I reviewed the schematics and it looks pretty straight...
Thanks Jud, This site is great! I can't wait to hear about the tube output stage, this type of mod has the potential to vault this 120 plus piece into the...
thanks, gary - this will certainly be helpful for us electronics know-nothings! ;~) would it be easy to substitute those cheap edcors w/the jensens - ie:...
thanks, gary - this will certainly be helpful for us electronics know-nothings! ;~) would it be easy to substitute those cheap edcors w/the jensens - ie:...
I've read a similar thread "Eliminating I/O Board," but there are couple of questions I couldn't resolve, being a newbie I am, so here they are: (1) Ric at EVS...
Dear Rich, I am working with pencil size military tubes (4) and am using a Mu follower design. This probably can be done inside the box, but right now it is...
Nate. The ones I am working with are very similar to 12AX7's. I hate to say this but I do not like the sound of 6SN7's - at least in my circuits! Jud...
Jud, Great - Thanks. Have you tried the existing tube circuit as it stands? As I mentioned, it would be fairly easy to implement as a I/V output stage with a...
When, if ever, would you prefer soft/fast-recovery diodes over Schottky? When, if ever, would Hexfreds or FREDs be preferred? I got some hexfreds a while ago...
I can believe that. I think I'll wait untill your done to do any work on mine. Do you plan to offer this to the Public or just members of the board? Thanks...
Marcel, The short but not very useful answer, is that you use Schottky diodes, Hexfreds, or FREDs where each one sounds best. As we have seen in the case of op...
In a message dated 3/5/02 10:11:10 PM Eastern Standard Time, ELECTROSTAT@... writes: << I can believe that. I think I'll wait untill your done to do any...
I've just finished the initial mod of my new DI/O. replacing about a dozen PS caps and op-amp. I checked it after the ps cap replacement. Everything was fine....
Check all of the traces, top and bottom, for all of the components that you replaced. Also check the connection cable. These are the fragile spots where you...
I have an Esoteric P-10 transport. I have trouble getting the Art Audio DI/O to lock with it. For example, using the around $10 Radio Shack digital cable, it...
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