how to make a power source for the noob.

[Hella1hella]

I am posting a new thread hoping that it will draw in others as well. I am building a spring reverb unit ( analog not tube) and the layout that i am going off of is running off two 9 volt batteries in series (18v). at first I planned to just replace the batteries with a dc jack and then run the unit off of a "wall wort adapter" however I do not like this. Those adapters are cheap, flimsy, and it seems like having a little tiny cord coming from a cabinet unit would look weird. Another guy on the other thread recommended I just build an 18v power source right into the cab (why didnt I think of this?) and my question now is ... where do I start? I am new to all of this and have only built very small things like simple fuzz circuits, a/b boxes etc. I want to learn and I was told this is the best way TO learn.

[olive2sing]

Try this Radio shack has 12V transformers, For the diodes use 1N4004, and for the filter cap I don't know how much current your circuit draws but I would think a 100uf 25V cap would more than do the job.

[Chuck H]

I would only add that a simple regulator circuit would be a good idea. It takes some power to drive a spring reverb so a built in power supply is the way to go. A pair of 9V batteries wouldn't last long driving a reverb tank and you'd spend a small fortune on batteries.

I think Fender developed a SS spring reverb long ago. You could substitute and modify for whatever amplifiers you like but it could be a good starting point for the circuit. I'll re post if I find a schem.

[olive2sing]

2 of the diodes are backward in my drawing I'll correct it later tonight

[olive2sing]

This is the corrected drawing

[Hella1hella]

thanks guys! I have never built a project from a schematic before but I think I can do it. I have a great book written by the dude from Wampler and it has really good info. I have already read It now its just putting it to use. That circuit is simple, however I dont really know much thats on it so its sort of confusing for me. if you could explain a little more I would really appreciate it. like what kind of board I should use etc. I found out today I am going to have to build my reverb circuit from scratch :/ I had pcb on General Guitar gadgets I was going to use but they discontinued it. I was going to scratch the project, but its really not that complicated and I think with the help from this forum I could do it. I just feel like im bothering people with the over simplicity of this all.

And chuck, it was the fender FR-1000 I believe I wish I could find videos or something, but there isnt much about it!

[Chuck H]

Here's the best schem I can find:

[olive2sing]

That circuit is simple, however I dont really know much thats on it so its sort of confusing for me. if you could explain a little more I would really appreciate it.

My explanations are sometimes confusing, take a look at these.Rectifier - Wikipedia, the free encyclopediaCapacitor-input filter - Wikipedia, the free encyclopedia