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Hello,

I just finished putting this pedal together and was met with the unfortunate realization that it's not working.

When bypassed, my guitar signal comes through very faintly and when the effect is engaged it's just a boosted level of hiss (no guitar at all). Thankfully the LED is working.

I followed the schematic closely and used an OC44 from pedalparts plus. It wasn't marked, so I kept switching the legs around until I think the voltages were correct. I checked my wiring at the switch and the jacks and they look exactly like the project pdf. Am I missing something?

Any help would be greatly appreciated!

Thanks!

Hello everyone!

It's been a while since I've been on here with my last project (Slambox version 2.5) and have gotten the pedal building bug again...

This time I am looking at doing a Rangemaster, but was wondering if it's worth the effort to convert it over to a negative ground effect? I have been searching all over the internet, but haven't come across any definitive answers to my questions...

I am looking at a number of Germanium transistors at Pedal Parts Plus, but was unsure which NPN would work? Would you recommend using a AC127, AC187 or 2n388 with Brian's board?

Furthermore, is it even worth it from a tonal standpoint trying to switch over to an NPN? I know the circuit lasts a while with a battery, so I guess I am willing to sacrifice the ability to hook it up to my 1spot chain if the tone is better.

Also, I am thinking about revisiting the Slambox, but this time incorporate a Master Volume so I can use it as an overdrive. Does the version 2.5 sound much different than the last version 4.0? The only differences I see are two resistors for the step-down and LED. If the later version was an improvement, I will probably pick up a new board from Haberdasher.

What value pot would you use for a master volume? 50K or 100k? I suppose it would be wired up in lieu of the 47K resistor with the output wire going to lug 3, lug 1 going to ground and lug 2 being the new output?

Thanks for your input!

-Austin

Hey Brian! I haven't spoken with you since I bought several PCBs in November, but have had a hell of a time getting these things to work. (It is most likely me, Sorry!)

I wired them up (Version 2.5) and my wet signal bottoms out compared to the dry signal even though I can faintly hear the crackle. I have replaced countless transistors and tried all the different boards to still no avail. 

Any ideas?

Thanks!

Austin from Denton.