RnFR wrote:great idea. its in the works.

Cool! Thanks for hearing my suggestion! And glad the others liked the idea too!

RIP SPeter!

EDIT: Just saw...."Davidoff Library". Nice one! it's a great tribute.

Wow, cant believe this news! It is very sad to hear. He did post a lot of interesting books and it was his contributions that brought about the library section. a lot of great info in that section. There was a library in college that was named after a person. Maybe it would be fitting to rename the ...

That looks class!

Hi guys, Thanks atreidesheir, sorry...haven't looked at it since the forum went down! I'm away from my computer now for a week! Dammit...if i'd looked at this earlier i could have copied the files to my memory stick before i left! @Barcode, thanks. I might just do that when i get back to my computer ...

Hi guys!

So i know there are a few around here that use eagle to send files to fab houses to get boards built. but what about when etching at home?

What specs to you guys use for home etching?

Trace width?
Pad Drill & Diameter?
Clearance?
etc?

regards,
Dean

Here's something I've just discovered, if you want to use the amp's basic overdrive, but want more gain, try using a Timmy to overdrive it more :shock: Wow, really? :?: you just discovered using a pedal as a booster? :scratch: :slap: :mrgreen: thats almost signature worthy stuff there! lol :blackeye

This is a preview of the PCB i've done up for this. This is the layout. i might adjust trace sizes before i post the PCB transfer. Traces could probably be a lil thicker and maybe more isolation between traces. This is my first PCB contribution so would welcome feedback! Layout.png EDIT: PS. I also ...

I have a first version of the PCB finished. but i want to tidy it up and make some adjustments! Sorry for the delay...have exams next week so have been a bit busy!

I wouldn't know what prices these usually go for but i wouldnt have any intention of buying them anyway! But in fairness, thats just an "asking price". That website doesnt work like ebay. you set an asking price and people can offer what they want. its up to the seller if they want to accept or not ...

madbean wrote:So, what I am going to do is once I have all this sorted out and have some of the fabbed PCBs on my site, I will release the Eagle files for both versions here.

that would be very cool!

rasta_maleek wrote:have you got a ready to transfer pcb of this pedal madbean?

Its a double sided board.are you set up to etch double sided boards? I've been tempted to get set up for double sided boards but haven't done so yet.

Take a look at this...it's not bad. My 12AT7 version is a clean to slightly dirty version for using OD/boost pedals. The original version by Rexindigo uses a 12AX7 and sounds pretty decent from his clips. *** Warning - it's on that OTHER forum *** http://music-electronics-forum.com/t4563/ The MP3 ...

DrNomis wrote:If you decide to try using a 6GW8, just bear in mind that the heater (pins 4 and 5) requires 6.3VAC.....

Datasheet says AC or DC.

btw...the ecl82 mentioned above also contains a triode and a Pentode.

I used ExpressPCB before. Didn't seem great but thats a while ago now and don't think i used it very much so cant really remember using it. but didn't feel drawn back to it either! I'm used to using OrCad in college but I just got eagle freeware version last week and really liked it! As has been ...

Dean - that'll work OK. If you're really concerned about the momentary current spike as the capacitor charges, you can parallel two (or more) of the gates for IC1C. However, I've built loads of them and never had a gate fail. It's useful to have two sets of three gates in the IC, because you can ...

Mictester, I simulated the circuit in LTSpice. In the on state it does indeed draw low current @ around 60uA in the simulation, as was also measured by someone in this thread IIRC. In the on state its the 150K resistor thats drawing most of that current. The coil only draws current when switching ...

You just make the layer cost 1 in the autorouter menu. And set preferred direction to N/A I guess? What does the * mean? I just installed eagle TONIGHT! lol and having manually routed a board i decide to check out hte autoroute. when i set it to the * for top layer it only used a few short and ...

lolbou wrote:Or reach a post count of 5 by posting in a thread in the Testing section...

Is that what thats for? wondered about that! lol

If you want to use a momentary switch, you have to use a logic bistable circuit. I frequently use a 4093 (I've got loads of them), which is a quad, Schmitt NAND gate. I use two of the gates as a bistable, another one for de-bounce, and the last for power-on reset. If you really want, I'll put the ...

I notice on the OT there's a tap titled 3A - does this mean 3 Amps? Can I just tape it up? I can tape up all the other odd taps too right? 250 Ohms, 500 Ohms. They don't have to go to ground or anything like that, eh? For unused OT secondaries like the 250 and 500 ohm taps you mentioned yes you can ...