q-p
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Posts posted by q-p
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@Johey, The PCB's are revision 3. I think the batch is #27/#28.
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I forgot to insert 6N138 into IC2.
Happened to me more times than I'd care to admit :rolleyes:
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Ah very nice! Encoder is now gravy. Thanks!
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Q-P by any chance did you take pictures of your completed PCB's? Or anyone else.
Would you mind posting them if you did? Honestly, I would like to see if I'm doing things right. Especially the bits with the LCD.
:-D
As a matter of fact, yes I did :)
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Hi Midiboxers.
Total novice question here. Is there any way to add more knobs to the Sammitch? Instead of having to step through menus to get to the control parameters, I would like to have knobs set up ready to twiddle. Can I buy a midi keyboard like Oxygen 25 and link the knobs that it has to my Sammitch? Would this require a change to the Sammitch firmware ? Thanks.
Yep. You can assign specific CC's to the knobs/buttons on a MIDI keyboard. The manual has all of the CC implementation
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q-p: Nice, glad you like it. Once you get a bit more into it you'll see just how awesome it really is. Regarding the vca bleedthrough - yes that's just the way it is. :console:
Johey: It's worth it :)
nILS, thanks for the quick response! thats what I thought on the bleedthrough. Not a biggie. one thing I did forget to mention. The encoder seems a bit flaky. When I am browsing patches, it will occasionally jump back or forward. Sometimes its only a couple patches, sometimes it could be as far as 50. I can change patches no problem with the up and down buttons. I double checked the solder joints and they look solid. The solder has nice flow on both sides of the pads. I suspect the encoder is bad. Would you know the Mouser part number so I can order a replacement? This is, of course, making tweaking a pain. But, I am rockin the ctrlr panel, so not all is lost :)
Johey: bummer, but yeah, so friggin worth it!
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Just want to say thanks for this! The build was pretty easy, other than putting the LED 595 sockets in backwards and finding out after I noticed the heatsinks were almost glowing red. No harm done though. Caught it in time. The 595's still work. Anyway, the Optrex LCD is amazing! I have one on my Ambika and aside from OLED, those are the best displays I've seen. The only bummer is one of my 6581's I lifted from a C64 I found for $5 at a thrift store about 8 years ago is bad. OSC 1 is not outputting. I've swapped the two chips around and the problem follows the chip. The other 6581 I got on eBay and it works just fine. Oh well, time to hunt down a couple 8580's.
One thing I've noticed is there is a lot of envelope bleed. I read in a post on here somewhere that this is how it is and not much can be done about it. Is this true? Is there a noticeable difference between the 6581's & the 8580/6582's? Nothing that a little gating cant fix I guess.
Can't wait to really dig into this thing. So far the sound is way better than I had anticipated. First time using an actual SID chip.
-Adam
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First time caller, long time listener...
Has the sammichSID reached the end? I have put in an order for one and have not heard any word. Got a couple of SID's sittin, looking for a good home! Thanks for any info!
sammichSID V3 Received & Built!
in MIDIbox SID
Posted
yessir. Shipped out just before christmas.