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Messages - HamSandwich

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Introductions / Re: Greetings from PA, USA
« on: December 10, 2018, 05:43:59 PM »
Welcome! We are almost in neighboring counties, Berks is a stones throw from Bucks. Do you have any photos of your heads? Would be nice to put pictures to the descriptions.

Open Discussion / Re: Is there still color in the world?
« on: November 28, 2018, 08:42:12 PM »
Good God, man.

Tech Help - Projects Page / Re: Freekout Voltage Regulator Question
« on: November 27, 2018, 01:20:43 PM »
The inside of the board looks... tasty. Nutty maybe?

Open Discussion / Re: 2018 Build Roundup.
« on: November 25, 2018, 10:39:24 AM »
The Brotherhood of Steel is NICE. Those knobs are amazing.

General Questions / Re: EHX DMM modulation waveforms
« on: November 22, 2018, 04:48:33 PM »
The tremulous lune LFO has been mod’d to death, and I think out there somewhere is a square - triangle - sine morph knob. And I THINK it’s on the V2 version of the Cardinal Tremolo. You can also have a bunch of waveforms on digital LFO’s like Electric Druid’s TAPLFO

General Questions / Re: EHX DMM modulation waveforms
« on: November 22, 2018, 02:58:42 PM »
Do you have a schematic example?

Build Reports / Re: Dirt Pedal Shootout for Board Redesign
« on: November 10, 2018, 04:06:11 PM »
What kind of amp are you using to do the shoot out?
Different amps, a matchless Spitfire clone, a Marshall silver jubilee and an engl ironball. My main amp is the engl, though, can't beat the weight/size/versatility and the clean channel is a great pedal platform.


Tech Help - Projects Page / Re: 2 drive pedals in 1 box?
« on: November 05, 2018, 10:41:22 PM »
Looking at the layouts won’t tell you as quickly or as effectively as looking at the schematic. The layout might even make it more confusing. Take a look at the EgoDriver schematic and find the 9V power in. Notice how R12 separates the incoming 9V from the rest of the circuit, and the capacitors right after it to ground. They are a little sub circuit called a low pass filter.

There is very little danger in wiring them up as you planned. You’d have to try real hard to electrocute yourself and there’s a pretty good chance they will sound alright. Putting a 22-100R resistor between the 9V and the power input of the Klondike would be an added safety measure, but it may not be needed.

Tech Help - Projects Page / Re: 2 drive pedals in 1 box?
« on: November 05, 2018, 06:31:49 PM »
I got less lazy and looked up your circuits. I can’t seem to find the egodriver V4 just this one in etchers paradise:

You can see R12 and C9/10 forming the resistor and cap ‘decoupling’.

The Klondike doesn’t have the series resistance, but does have the cap to ground. If you take a look at Madbean’s Klon Clone, you can see he has a 22 ohm resistor in series and a 100u cap.

If it concerns you, put a 22-100R resistor in series between the 9V adapter and power input to the GGG circuit. The Egodriver won’t need this as its already on board.

Tech Help - Projects Page / Re: 2 drive pedals in 1 box?
« on: November 05, 2018, 06:11:01 PM »
Lol that’s me in that thread too. H.R Shove and Stuff. A poster goes on to explain what decoupling is in that thread. Can you link to the schematics you have? Often times that power isolation is built into the circuit, which is what I was talking about in my last post.

If you’re using two isolated power supplies from your PP2+ to power each of these pedals, putting them in the same box will now only utilize one of the outputs of the PP2+, so you’ll be loosing any benefits of keeping the power supplies isolated by doing what you want to do. There may be no benefits at all from it to begin with.

Open Discussion / Re: Tdpri is down?
« on: November 05, 2018, 04:55:22 PM »
TDPRI is a gem. Would be a shame if something happened to it!

Tech Help - Projects Page / Re: 2 drive pedals in 1 box?
« on: November 05, 2018, 04:52:33 PM »
Wires is wires.

The difference between the 1/4” cable connecting signal to each circuit is no different than hard wiring up the input of the second circuit to the output of the first. Same with the power - if you’re using a non-isolated daisy chain for power, daisy chaining them with the external wire is naught different than doing it internally.

If you were using two isolated power supplies for each pedal, then you would be changing the way power is supplied.

There are many methods of true bypass wiring - grounding the input or output, where the LED gets grounded, etc. You can use whatever way works best for you. The wiring in your picture may be different than what you do, but it accomplishes the same task of turning the pedal on and off. So you can disregard how the pedal is wired, but keep where the signals connect together.

Not sure what the decoupling stuff you are mentioning is. Linking to where you got that information would be helpful. Perhaps they are talking about separate filters on the power supply. If each of your circuits already has these built in, then there’s no point at adding extra ones at the point of where the power enters the pedal.

Oh no! Sad to hear this, but great to see the outpouring of generosity!

Starting tomorrow and going through at least Monday (possibly longer) afternoon - All VFE projects will be on sale.

What happened to going through at least Monday afternoon?

General Questions / Re: colorsound wah values?
« on: November 02, 2018, 04:10:23 PM »
What colorsound wah are you trying to build? Do you have a schematic?

The most notorious colorsound wah is the inductorless one, which is a completely different circuit from the standard Vox/Dunlop/Weener and if it could be adapted to the weener it would be by coinsidence and not design. There are also multiple weener wah boards.

Open Discussion / Re: Harbinger 1 don’t like the daisy chain
« on: October 21, 2018, 04:09:57 PM »
Just checked, good idea!

18.06V from adapter.
18.06V on all plugs on the chain.
18.05V when the vibe is plugged in on all plugs in on the chain.
18.05V when both vibe and boost are plugged in on all plugs.

Does the 0.01V drop indicate anything? Seems like it’s just a drop under the load. One thing I thought of would be to check the actual lamp, as the there was just another thread here that had the LED blinking but the lamp not moving. Will check this evening!

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