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Topics - gordo

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Open Discussion / WFH office just got a bit more crowded
« on: February 10, 2021, 01:30:01 PM »
I must have missed the email but apparently I have a new office mate.  I snapped this pic (and for reference he's about 2' away from my desk down here in the basement).  It's been damned cold in Chicago for the past few days so I guess this isn't a total shocker.  He sat patiently thru a 45 minute meeting this morning so he's better at this than I am.

  • Quiet as a...well you know...
  • Knows how to work a mouse

  • Hygiene leaves a lot to be desired
  • Limited verbal skills

Open Discussion / Bad news on the Smallbear 2506H NSL-7532 opto
« on: January 28, 2021, 06:53:58 AM »
I got a reply back from Steve on the NSL-7532 when I asked about a potential restock date:

Hi Gord--

I much regret, I can no longer supply these parts. The last lot that were made to my spec did not give the expected depth of phasing in customer tests. Advanced Photonix wants me to cover their engineering costs to tighten the spec, and then the selected parts would still cost me considerably more. Under the circumstances, I have decided to withdraw the items. Unfortunately, I can't offer a good work-alike.


I'd been hoping to get 4 of these for a Harbinger 1.5 build.

Open Discussion / Violenzz build
« on: December 30, 2020, 05:50:24 PM »
This doesn't really warrant a build report but just a note that I picked up a pair of the 183 trannies from and the pedal sounds killer.  This is by far my favorite FF build.  I swapped out a couple of resistors to raise the output slightly (I'll open it up to find out which ones).  I auditioned all kinds of transistors trying to match the HFE's and fell short.  I can't even tell you what these ended up being but I'm scared to touch it now  ;)

Build Reports / A 2020 MB PIF
« on: December 28, 2020, 06:48:30 PM »
Brian PIF'd me a PorkBarrel board and I was anxious to build it up.  I thought the blend control was a nice touch to dial it subtle or fun-house wobble and had a pair of XVive chips to go in it.  Other than having to shoe horn in the DC jack (should have been just a little bit lower with the drill bit) this one went together smoothly and a no-brainer to calibrate.

This was my first experience with alcohol inks, and although it's a tad lumpy and could be smoothed out with a clearcoat, I'm happy with it as is.

Open Discussion / Merry Christmas Everybody
« on: December 20, 2020, 06:18:57 PM »
Merry Christmas and Happy Holidays to all the Madbeaners out there.  Dylan the doberman got his LED collar Christmas present early and is seen here showing it off (and looking to go for a walk)...

Open Discussion / Anybody heard of using Future floor polish on pedals?
« on: November 30, 2020, 05:15:21 PM »
I used to build car models when I was a kid and I checked out a few Youtube videos recently to see if the hobby was still alive.  Very much so.  The guy in the video finished off by noting that his finished build was topped off with two brushed on coats of future.  Wait, what?  So after a bit of digging apparently this is a thing.

It's now been rebranded by Pledge.  You brush on a couple of coats over the finished pedal (I take the knobs off and avoid switches and jacks) with about an hour or two between coats.  It goes on like water, although if you get dust in it you should wipe it off and start again.  Apparently its some form of plastic that fills in small scratches and imperfections and leaves a uniform shine on the pedal.

It looks really good.  I'll do a few before and after shots because I'm obsessed with the stuff now.

Open Discussion / Happy Thanksgiving
« on: November 26, 2020, 10:31:31 AM »
Hope everyone has a nice Thanksgiving, or at least a nice day for any of the non US folks out there.  I'm waiting to get the turkey in the oven in a little bit.

I don 't know why I pick Thanksgiving but for some reason it always seems to be the day that I put in a restock order for Love My Switches.  I went thru my parts drawers and ordered restock for any pot values I'm missing, a few enclosures, jacks (Lumberg and Switchcraft), and Lumberg DC jacks.  Threw in some knobs from the clearance section and I should be all set with hardware for a while.

I hit the button about 15 minutes ago so I suspect Lawrence has it all packed up and sitting by the door waiting to go out already :-)

Open Discussion / Anyone hit with the virus out there?
« on: November 22, 2020, 01:50:34 PM »
Anyone hit with the virus out there?  I got diagnosed positive at the beginning of the week despite being ULTRA careful.  Mask, sanitizer, hand washing so much I'm surprised I have washed away my callouses. You CANNOT be too careful.

Open Discussion / MXR 6 band EQ filter calculations
« on: November 13, 2020, 08:25:30 AM »
I'm trying to change the frequency bands on an MXR 10 band EQ.  The first 9 bands make sense in terms of the math.

If each of the bands is considered a Sallen-Key high pass then tweaking, for example, the C23/C24/R26/R27 values will shift the 8k band frequency and Q-factor.  That part makes sense and I can calculate what to change to shift.  What has me totally confused is how the 10th band is calculated.  Is it just a high pass filter?  If so how do I calculate it's specs?  I'm missing how it works without it's own op amp...

Thanks if you can point me in the right direction.  I'm starting to understand how little I understand...

Build Reports / Latest builds: Rough Cut, Tone Virus, HT2, Violenzz
« on: November 05, 2020, 01:41:31 PM »
Gawd it was nice to get some fresh meat on the board.  Pics to follow.  The Headtrip2 was a no brainer.  Squeezing the last drop out of the FV-1 and some stuff here that requires a bit of exploration.  I first passed it off as cool noises but have circled back around and am really impressed with the pallet available.  The Whitehole is subtle but worth the price of the build.  I skimped on the decal and just used Brian's and it came back to bite me by lifting so a sure sign that the decal gods are not pleased with my lack of effort.

Rough Cut.  Been here but am revisiting and was hoping the opto's I had in stock would pan out.  Nope.  It sounds really nice with all the stuff I have but I think I'll look at the VTL5C3.  I thought the XVive I had was but it's flakey.  Still this thing has serious potential and has a nice bit of gain to overcome the MXR/Ross level issues.  Boring graphics but a keeper.

Tone Virus.  Damn I thought I had two 4017's.  Damn.

Violenzz.  The usual level challenge with a Fuzz Face.  Lots of goodness here but too quiet.  Don't recall what I used here in the BC family but went with a 291 and 600 so the numbers are there.  I'll keep fiddling.  Got the signature sag and decent clean up.  Of the gazillion FF's I've built I think this is about the closest I've got.  Having seen EJ on the last tour before lockdown and how excellent he was at doing this sort of thing I can't help but think "why bother....".  I'll get over it.

Open Discussion / Bugg's Chuck D Bones info
« on: November 03, 2020, 06:36:47 PM »
I'd be the last one to recommend you visit another site but is info.  Bugg's PedalPCB site has some interesting info from Chuck D Bones and seems to be a brain drain from a wealth of info.  Worth checking out.

I think the subject says it all.  I've installed a number of transformers in repair amps and these were always my favorites.

Open Discussion / Just a big shout out for Brian's new disc
« on: August 12, 2020, 06:28:48 PM »
For anyone that hasn't heard's worth a listen.

No affiliation, have just followed the band from day 1.

Open Discussion / House sold, not sure what my next move is all about
« on: August 07, 2020, 09:16:34 PM »
Dang, I've lived here for 25 years and now and it's about to be turned over to a bunch of strangers.  Probably won't affect my lurking around this place (well, unless I move to a cardboard condo out in a field somewhere) but my shop is getting dismantled and most of my workbench stuff will get sold off.  Keeping all my parts and "wish I'd finish these" boards but I'll be offering up a ton of finished boards, finished pedals, and guitars as I enter my certified "golden years".  I was in my 20's a few minutes ago.

Will post some sales here as I get to them.  In the meantime I sold the house and have 40 days to get the f*** out so stay tuned...

Open Discussion / Tap Tempo that displays ms/bpm?
« on: August 04, 2020, 07:49:55 AM »
Does anyone make a PCB for a tap tempo box that displays either the time or the bpm?  I've seen some higher end pedals on the market but was wondering if anyone in the DIY world does anything like it.

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