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tubelectron · December 26, 2018, 02:12:02 PM

Quote from: duck_arse on December 26, 2018, 07:49:16 AM
I want to like your post, tubelectron, but that button isn't showing - it might be punishment for such large images [I think they are trying to break my browser page].

I like the blue colours and the knobs, and the cardboard nameplate. and it's a mkIII.

Thanks duck_arse !

I should have remembered that pics appears full size on DIYstompboxes and chosen an intermediate size

A+!

duck_arse · January 03, 2019, 08:26:24 AM

wot? me first? no, not first build of 2019, my second last build of 2018.

BetterOffShred [where did he go?] sent me some low-low gain transistors - what to build? I had a spare bendy waiting, so I cast about till I ended up with "Ustinov's Theory", actually a bronx cheer, w/ darlingtoned transistors. and to use the available internal volume better [and cause Mark wanted one] I did a cordwood layout, which was never going to clear the DC jack. so I redid it w/ radials as a stacked-pair, and here it is.

I was watching a horse race recently, and one runner was named Ustinov's Theory [I think it's still running ....]. I couldn't write the name down fast enough - only, I'd misheard; horse is named Ustinov's Fury, so he's going to be pissed when he finds out.

the theory is a real thing, after all - it states that the more a pedal looks like a milk jug, the more it will make you think of a tremolo. weird, huh.

the full bukket with wired and circuit and layout, for bluebunny's approval [pending]:
https://imgur.com/a/q9UKMug

italianguy63 · January 03, 2019, 08:38:26 AM

Cool! Thanks! I love the cordwood builds!
MC

EBK · January 03, 2019, 08:44:33 AM

I like the upholstery.
I like the cordwood.
I don't like the missing Like buttons on this page though.

bluebunny · January 03, 2019, 09:33:19 AM

It is indeed most cute. (2019 resolution: try cordwood!)

Quote from: EBK on January 03, 2019, 08:44:33 AM
I don't like the missing Like buttons on this page though.

If something else is holding up the page load (e.g. hooooge picture), the Like buttons are the last thing to get rendered. Dunno why?

duck_arse · January 03, 2019, 09:44:17 AM

Quote from: bluebunny on January 03, 2019, 09:33:19 AM

It is indeed most cute. (2019 resolution: try cordwood!)

Quote from: EBK on January 03, 2019, 08:44:33 AM
I don't like the missing Like buttons on this page though.

If something else is holding up the page load (e.g. hooooge picture), the Like buttons are the last thing to get rendered. Dunno why?

I have an idea that the problem is tubelectron's profile pic, which doesn't seem to load even in it's own browser tab .....

rankot · January 03, 2019, 10:12:24 AM

Quote from: duck_arse on January 03, 2019, 08:26:24 AM
BetterOffShred [where did he go?] sent me some low-low gain transistors - what to build? I had a spare bendy waiting, so I cast about till I ended up with "Ustinov's Theory", actually a bronx cheer, w/ darlingtoned transistors. and to use the available internal volume better [and cause Mark wanted one] I did a cordwood layout, which was never going to clear the DC jack. so I redid it w/ radials as a stacked-pair, and here it is.

Never saw a pedal in cloth, really awesome!

masonsjax · January 03, 2019, 10:59:45 AM

Quote from: duck_arse on January 03, 2019, 09:44:17 AM

I have an idea that the problem is tubelectron's profile pic, which doesn't seem to load even in it's own browser tab .....

You are correct. I blocked the offending avatar path in my adblock extension and the page loads quickly with the like buttons.

Marcos - Munky · January 03, 2019, 02:41:47 PM

Not finished yet, but I tested it today and it's working great. Mesa Boogie tube preamp:

The project is the one from this video: https://www.youtube.com/watch?v=M-fVBIID6Aw

I'm using 6N2P for the tubes. Since they draw a little over 1A just for the heaters and I don't have any 6V supply with more than 1A, I used a Sony PSP charger (5V 1.5A) to power it

. Also, 555 smps powered from the same PSP charger. I'm getting about 122V from the smps. Noise level is pretty acceptable, because it isn't in a metal box yet and because of the "power suppy" I used

.

Little and crappy soundclip recordered with my cellphone:
https://soundcloud.com/marcao_cfh/boogie-pre/s-dvD8l

I'd say the results were pretty good for somebody who never got a dr boogie to work (and I tried lots of times)

bluebunny · January 03, 2019, 04:19:52 PM

Quote from: duck_arse on January 03, 2019, 09:44:17 AM
I have an idea that the problem is tubelectron's profile pic, which doesn't seem to load even in it's own browser tab .....

Indeed:

This site can't be reached

img10.hostingpics.net took too long to respond.

Anyway, great pedal, mate!

bluebunny · January 03, 2019, 04:24:45 PM

Actually, it's because the hostingpics.net service has closed down. The home page has a message (in French) with details.

@Bruno: you might want to move your avatar picture!

vigilante397 · January 03, 2019, 04:37:33 PM

Quote from: Marcos - Munky on January 03, 2019, 02:41:47 PM
Not finished yet, but I tested it today and it's working great. Mesa Boogie tube preamp:

I love it. I need one. But with subminis. And in a 1590B

bluebunny · January 03, 2019, 04:51:32 PM

Quote from: vigilante397 on January 03, 2019, 04:37:33 PM
I love it. I need one. But with subminis. And in a 1590B

Ha ha! Now, where was that Jackson/popcorn picture...

Marcos - Munky · January 03, 2019, 05:01:29 PM

Quote from: vigilante397 on January 03, 2019, 04:37:33 PM
I love it. I need one. But with subminis. And in a 1590B

Well, the most "space limiting" factor are the pots. But you don't really need the presence pot. So, with 5 pots, it's possible to build one in a 1590B.

Quote from: bluebunny on January 03, 2019, 04:51:32 PM
Ha ha! Now, where was that Jackson/popcorn picture...

vigilante397 · January 03, 2019, 07:11:38 PM

Quote from: Marcos - Munky on January 03, 2019, 05:01:29 PM
Well, the most "space limiting" factor are the pots. But you don't really need the presence pot. So, with 5 pots, it's possible to build one in a 1590B.

Well, I mean, there's also three tubes...

...I'm still going to do it though. I'll probably have a layout done this weekend or early next week.

Marcos - Munky · January 04, 2019, 01:21:29 PM

The 3 tubes doesn't limit the size as the pots does. I'm building a submini amp with 3 tubes that will (hopefully) fit a 1590B, but with 3 pots. If you use a single pot tone stack, I'm pretty sure you can do a very small build.

vigilante397 · January 04, 2019, 01:37:05 PM

Quote from: Marcos - Munky on January 04, 2019, 01:21:29 PM
The 3 tubes doesn't limit the size as the pots does.

Are you letting your tubes stick out the top of the box though? Because I like to keep them inside. Takes up more room, but a lot less chance of accidentally getting stepped on.

temol · January 04, 2019, 01:45:55 PM

Quote from: vigilante397

Is it.. DR in a 1590B?

T.

vigilante397 · January 04, 2019, 01:54:42 PM

Quote from: temol on January 04, 2019, 01:45:55 PM
Is it.. DR in a 1590B?

Right now it's just a blank board with pots, tubes, and regulators

But eventually it will be the DR preamp, yup. I always lay out the big stuff first to make sure it will fit before starting the layout. And I know I said this weekend or next week, but I've been thinking about it too much and I want to do it today

Marcos - Munky · January 04, 2019, 02:59:07 PM

Quote from: vigilante397 on January 04, 2019, 01:37:05 PM
Are you letting your tubes stick out the top of the box though? Because I like to keep them inside. Takes up more room, but a lot less chance of accidentally getting stepped on.

Didn't thought on the box yet. For the 1590B mini amp, I'll stick them out the top of the box, I like this look. But for the boogie pre, I don't have any ideas yet.

Also, your sketch is looking nice. I was thinking you're going for side mounted pots like mine, not top mounted pots like a stompbox, that's why I said about the pots being the size limiting factor. So 6 pots won't be a problem in your build.

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