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Messages - madbean

#4036
Global Annoucements / Re: Coming up soon - Fall Contest
October 01, 2014, 09:11:58 PM
Quote from: GermanCdn on October 01, 2014, 09:04:33 PM
That's all right, I got a Yamaha Ty Tabor...

I am quite jelly right now.
#4037
Global Annoucements / Re: Dirtbag Deluxe 3?
October 01, 2014, 09:08:58 PM
Quote from: Scruffie on October 01, 2014, 05:39:25 AM
Hmm, well I don't know exactly what you're doing so this may be moot but power filtering wise, you may find that it's better to run the clock/lfo directly off the regulator and then use r/c filters for everything else to separate them. Anyway, only mentioned the clock/bbd voltage cause of your distortion but seems that it's not the issue :)

The only reason I mention the inverters is when it came to that 1 in to 2 set up, reason was that 3 in parallel over buffered basically but as that was for a single MN3007 being clocked to extremes and here we're going for maximum load with the 4 x 3005, might work better.

Thanks for the insight, Scruffie. The way the proto was designed I have a master regulator for audio and LFO. The clock and BBD are two separate R/C filtered supplies derived from the regulator. It was only after I thought about trying the BL3208 12v or 15v on audio and 10v on BBD. So, on that one I have two 5.1v Zeners in series on each 10v supply line to the clock and bbd. It seems very stable voltage wise, but it's worth considering two separate regulators perhaps. I mean, you could run the DMM on 18v audio / 15v BBD, too AFAIK. Never tried it.

The distortion issue may just be the chip itself. I'll know more tomorrow when I work on this again.
#4038
Global Annoucements / Re: Coming up soon - Fall Contest
October 01, 2014, 06:39:44 PM
Quote from: pickdropper on October 01, 2014, 05:50:51 PM
Is this pick cryogenically treated like the last one or was that not cost effective?

Sadly, it proved to be cost prohibitive this time. However, I will place each pick on a part of my body for 15 seconds before shipping.
#4039
Global Annoucements / Coming up soon - Fall Contest
October 01, 2014, 05:21:32 PM
The Fall Contest is a thing. It will start up soon. It is being sponsored by a person who is offering a terrific first place prize. Other people will also be sponsoring prizes. I do not know the exact date it will start or end, but it will start "soon". "Soon" is the word I use when I do not know something. Basically, the answer to all questions regarding "when will 'x' happen" is "soon...probably". For instance, "when will the sun let out the Big One, thereby throwing the world into a unstoppable chaos of collapsed economies and food shortages?"; Soon, but probably not today. Unlike the Fall Contest, the Big One will have no prizes at the end unless you like cannibalism. In that case, both events are equally good for you. Maybe not for the other guy, though.


Also, it's been quite a while we've had any little swag here. This is also a thing that will be here in a couple of weeks for cheaps.
#4040
Global Annoucements / Re: Pork Barrel Restock?
October 01, 2014, 01:34:12 AM
Probably not until November.
#4041
Global Annoucements / Re: Dirtbag Deluxe 3?
September 30, 2014, 08:13:06 PM
I actually have a separate delay design based around the MV-64. I considered it for the Dirt bag but decided against it because of the already high part count.
#4042
Global Annoucements / Re: Dirtbag Deluxe 3?
September 30, 2014, 06:43:17 PM
Quote from: Scruffie on September 30, 2014, 02:42:30 PM
When you run at 12V with 10V on the BBDs, what voltage do you have the clock at? It should be the same voltage as the BBDs. Also, regards the clock buffer, how do you have the inverters set up? In this case I would think all 3 in parallel would be the better choice over the standard flanger 1 in to 2.

The BBD and clock are on separate but identical power rails (10v). So, they are isolated from the audio power and from each other. I considered doing a separate regulator for the two but the routing is proving to be a bit too much for it. I may even try a 15v audio and 10v BBD (like the Echoczar) for giggles. The inverters are set up like the flanger type, but I can always try it the other wire with the breadboard.
#4043
Global Annoucements / Re: Dirtbag Deluxe 3?
September 30, 2014, 02:38:20 PM
Here is the status update:
4xMN3008 tested and confirmed. Sounds great. I did do a couple of mods to mess with the companding to improve the attack/release response.
4xBL3208 tested but not confirmed. Having an issue with distortion coming out of the output of the third BBD. Not sure of the problem yet. Everything else about it seems to sound good...running it at 12v with 10v on the BBDs for a little extra headroom.
MN3008/MN3005 mix not yet tested.

I'll be finishing it up this week I think. Lastly, I will compare the builds to my 4xSAD1024 vintage unit and the modern Memory Boy to get some benchmarks.
#4044
General Questions / Re: Pearl OC-7 Octaver low rider
September 29, 2014, 09:47:07 PM
There is no etchable layout for the Lowrider, sorry.
#4045
Open Discussion / Re: Honorary Bean?
September 29, 2014, 09:36:25 PM
Quote from: eldanko on September 29, 2014, 08:56:30 PM
or a Dishonorable Bean.

Considering all the snark in this thread I may have to hand out some dishonorables!

(i keed i keed)
#4046
Open Discussion / Re: Honorary Bean?
September 29, 2014, 04:44:33 PM
So, a Lovebone Expert and PieMan? Sure. I got nuttin else to do.
#4047
Open Discussion / Re: Trade-up stories?
September 29, 2014, 04:43:47 PM
TIL that I need to get rid of 30-40 pedals for stuff.
#4048
Tech Help - Projects Page / Re: Green bean help?
September 24, 2014, 02:43:26 AM
Thanks everyone for pitching in to solve the problem. I don;t say that enough.
#4049
Open Discussion / this stuff is magic - total off topic
September 23, 2014, 03:52:23 PM
Seriously. It will stop a runny nose dead in less than 10 minutes. It's making me a bit tingly up in here.

#4050
Global Annoucements / Re: Dirtbag Deluxe 3?
September 23, 2014, 03:47:33 PM
Yes, there will be some difference. The MN3008 version will have a bit more headroom. I can't say more yet, but I will provide a detailed description of the differences once I have completed the BL3208 build.