e-licktronic Forum

bmaximus

Ok, could you suggest where connect the switch in the PCB?

bmaximus

Ok. i want this box, but as i wrote in PM, i don't want the IEC socket, but I would the power switch (something like this) http://www.mouser.com/ds/2/71/Rocker_PR_PPR-469559.pdf . The problem for me is how implement this. IMHO the simplest thing is desolder the jack socket from PCB and put one of pa...

bmaximus

deejayraoul wrote:The clap missing full decay on the first couple of hits is a known issue and probably a design mistake somewhere in rolands history. My 808 and DR110 show exactly the same behaviour.

Oh, it's a great thing to know! It means the Yocto is a perfect clone!
Thank you deejayraoul!

bmaximus

Hi Odyssey, I've finished the project and remains me four of this capacitors. I hope they are not for spare in case of explosion! :) If the circuit works at the 5V DC, tolerance should be enough i think ... If you haven't yet ordered from Mouser, also check the non-polarized capacitors, some will co...

bmaximus

Oh yes, it is the vibration caused by the powerful bass! ;) The background noise is unfortunately what i hear at my home. I live very close to a thoroughfare. However i re-edited the video, so I will not have to feel guilty about any headaches... Actually the Yocto is fairly quiet. I replaced the op...

bmaximus

4teenth wrote:Other than that, I've noticed a couple of weird things - i seems that the reverb part of my clap does not sound for the first couple of times.

I've the same issue. Have you solved this?

bmaximus

Ok, i've partially solved the problem. I was not focused and i had forgotten the capacitor of 22pF added in parallel on R130! :) It worked like low-pass filter, cutting the noise. The snare drum seems good now, but the toms no more. They have a sort of granular noisy tail now... https://soundcloud.c...

bmaximus

Hi everybody! I've finally finished the assembly of my Yocto! I've only a problem with the noise generator, so the snare drum don't sound perfectly, almost without noise (snappy). Massimo --------------------------------------------------------- Problem solved! I've forgotten to remove a capacitor i...

bmaximus

Hi, There was a modification on the original TR-808 which has not been respected in the Yocto. Have you tried it? It worked for me. Replace R129 (330k) by a jumper (0) and replace R311 (330k) by a 100k. Also replace R127 (47k) by a 10u capacitor. Have a look page 15 of the TR-808 service manual. R3...

bmaximus

Maybe it's because your 2SC828 need an hFE of at least 300. Hi gihaume! Thank you for the answer! I haven't studied electronics at school unfortunately. In fact i'm quite surprised that i have completed this project, although I think that the assembly requires only a good manual dexterity. I did no...

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