Mr. Black Boost Tiger [traced]
- mmolteratx
- Degoop Doctor
Traced from prototype #1/9. Jack has said that there are a few changes with the production model, but they're mostly with the PCB itself.
- Attachments
-
- Boost Tiger.png (8.58 KiB) Viewed 5047 times
- Jack Deville
- Resistor Ronker
Information
- Ice-9
- Degoop Doctor
Information
After reading Jack's excellent article on True Bypass I am surprised to see a pull down resistor in there as well as the current limiting resistor. For any one interested in the article its over on his Mr Black site under the "Straight Jive" menu. A great read for anyone that has not yet read it.
It's fairly straight forward, if you want to start it , press start. You can work out the rest of the controls for yourself !
No silicon heaven ? preposterous ! Where would all the calculators go ?
No silicon heaven ? preposterous ! Where would all the calculators go ?
- Jack Deville
- Resistor Ronker
Information
Maybe you should think about why it might be there.
- D-Day
- Mojo Book Buster
Played this one at the guitar show down in Kent. Fantastic boost!
- marshmellow
- Cap Cooler
- Jack Deville
- Resistor Ronker
Information
Boost Tiger is a fantastic clean booster / pre-amp.
Currently in production: Rev B1.
Now you have a clean, complete schematic. Build one for yourself and rock.
Currently in production: Rev B1.
Now you have a clean, complete schematic. Build one for yourself and rock.
- Jack Deville
- Resistor Ronker
Information
Quite a different circuit, although kudos! There are opamps in both.marshmellow wrote:Ole Jack sure has come a long way since then .
- Jack Deville
- Resistor Ronker
Information
My tribute to a great band.D-Day wrote:Hay Jack! What's with that Devo hat lookin 123 gnd thingy?
- mmolteratx
- Degoop Doctor
It's the little grounding tab. Love those things. Keystone 629, IIRC. Got a bunch of them to use in my pedals.D-Day wrote:Hay Jack! What's with that Devo hat lookin 123 gnd thingy?
- marshmellow
- Cap Cooler
I see, you now vary the feedback resistor, those three years of research have been well spent. And you finally did take my advice regarding the bias buffering, my hat's off to you . Or does the ingenuity lie in the split resistor arrangement on the input and output?Jack Deville wrote:Quite a different circuit, although kudos! There are opamps in both.marshmellow wrote:Ole Jack sure has come a long way since then .
- Jack Deville
- Resistor Ronker
Information
You got a bone to pick? Go buy a roast chicken.
Upset for some reason? Perhaps you should take some time to reflect on your life. I don't have time for you.
Upset for some reason? Perhaps you should take some time to reflect on your life. I don't have time for you.
- Ice-9
- Degoop Doctor
Information
I can't see how the 3PDT is wired up in the picture so maybe you not using that bypass system on this pedal ? or switch bounce is still causing a little pop without s pulldown resistor there ? I need enlightened.Jack Deville wrote:Maybe you should think about why it might be there.
Edited after noticing the post above , I just seen you posted the official schem with the switch in so it is that input grounding type series current resistor bypass typo thing. Thanks for showing us all that.
Extra - I managed to get a tunnelworm imported from USA last week. sounds great.
It's fairly straight forward, if you want to start it , press start. You can work out the rest of the controls for yourself !
No silicon heaven ? preposterous ! Where would all the calculators go ?
No silicon heaven ? preposterous ! Where would all the calculators go ?
- Ice-9
- Degoop Doctor
Information
I did consider that it was about input impedance, but I would have thought the 470K resistor going to VBias does that job anyway.skywise wrote:To keep input impedance lower than the max possible from the op amp?Jack Deville wrote:Maybe you should think about why it might be there.
It's fairly straight forward, if you want to start it , press start. You can work out the rest of the controls for yourself !
No silicon heaven ? preposterous ! Where would all the calculators go ?
No silicon heaven ? preposterous ! Where would all the calculators go ?
- marshmellow
- Cap Cooler
Yeah, maybe better spend your time studying a book on electronics every once in a while instead, because what I had to read on your tech blog (or whatever you want to call it) today is rather alarming. For naming yourself the "effects wizard" you seem to be remarkably ignorant concerning some basic principles. Like the distinction between current and voltage, for instance. You use the terms practically synonymously and throw them around like there is no tomorrow. And so on...Jack Deville wrote:You got a bone to pick? Go buy a roast chicken.
Upset for some reason? Perhaps you should take some time to reflect on your life. I don't have time for you.
Can someone help explain the reason for the 1k resistors at the input and output, just seems unique to me and would like to learn.
Also, I do not have any 56k resistors, can someone explain what they are doing in this circuit, are they just voltage dividers?
Cheers
Also, I do not have any 56k resistors, can someone explain what they are doing in this circuit, are they just voltage dividers?
Cheers
- jymaze
- Resistor Ronker
Output 1k resistor: limit current in case of short-cut at the output and lowers pop sound
Input 1k resistor: lowers pop-sound
You can use 47k or 68k for the voltage divider (you wrote 56k resistors, but you meant 51k, right?)
Input 1k resistor: lowers pop-sound
You can use 47k or 68k for the voltage divider (you wrote 56k resistors, but you meant 51k, right?)