Question:
I'm thinking about building a phaser, and I have a list of parts from generalguitargadgets.com. All the capacitors needed are rated in uF, but all the pcapacitors at where I'm looking seem to be rated in either mF or pF. What's the difference?
Answer:
Can you provide a link to the place you're looking for parts at?
uF stands for microFarads. pF stands for picoFarads. mF should stand for milliFarad, but I think I've seen occasions where mF stood for microFarads online because they didn't use the uF abbreviation for some reason or another.
These are all metric units. If you were looking for a .022uF capacitor, this would be the same as a .00022mF capacitor or a 22pF capacitor (I think, my metric conversion is rusty)
Answer:
http://www.smallbearelec.com/StoreFront.bok
Here's the list of capacitors:
Capacitors
5 - 0.0068uF
3 - 0.1uF
1 - 10uF
2 - 33uF
Answer:
uF and mF should actually mean the same thing. It's written mF online though because the 'u' in uF isn't actually a 'u' at all, but an entirely different symbol...
Good luck building the phaser though, it'll be quite the project.
Answer:
Originally Posted by Griffon uF and mF should actually mean the same thing. It's written mF online though because the 'u' in uF isn't actually a 'u' at all, but an entirely different symbol...
Good luck building the phaser though, it'll be quite the project.
That's what I thought. The u is actually a Greek symbol, right?
Answer:
Originally Posted by ieatdirt That's what I thought. The u is actually a Greek symbol, right?
It's the lower case Greek letter mu or "μ" (it looks like a "u" with a longer line on the left) which is the equivalent of the letter "m".
Answer:
Ok, here's another question. Here's the list of resistors and pots. I'm not sure about what exactly the parts marked with a question mark are, again, I'm ordering from smallbearelec.com
Resistors and Pots
1 - 1M log pot
1 - 100?
1 - 470?
5 - 1k
1 - 1k8?
1 - 3k3?
3 - 4k7?
1 - 7k5?
6 - 10k
2 - 15k
1 - 22k
10 - 27k
2 - 30k
1 - 100k
1 - 270k
2 - 470k
Answer:
can you link us directly to the parts list you're working from? I went to that ggg site and wasn't sure.
Answer:
Here it is: Small Stone Phaser
Answer:
Originally Posted by ieatdirt Ok, here's another question. Here's the list of resistors and pots. I'm not sure about what exactly the parts marked with a question mark are, again, I'm ordering from smallbearelec.com
Resistors and Pots
1 - 1M log pot
1 - 100?
1 - 470?
5 - 1k
1 - 1k8?
1 - 3k3?
3 - 4k7?
1 - 7k5?
6 - 10k
2 - 15k
1 - 22k
10 - 27k
2 - 30k
1 - 100k
1 - 270k
2 - 470k
Resistors are measured in ohms and multiples of ohms. The values without any modifier by them denote just 'ohm', so 100 and 470 are 100ohm and 470ohm resistors.
Writing resistor values like 4k7 come from the days of hand drawn (and written) circuits. It's easier to write 4k7 and have it survive and be legible, than it is to write 4.7k and hope for it's survival (greasy fingers could easily smudge that 4.7k resistor into a 47k resistor). So any time you see a value written like 1k8, 3k3, 4k7 or 7k5, you should read it as 1.8kOhm, 3.3kOhm, 4.7kOhm and 7.5kOhm. Does this help?
Answer:
Originally Posted by Griffon Resistors are measured in ohms and multiples of ohms. The values without any modifier by them denote just 'ohm', so 100 and 470 are 100ohm and 470ohm resistors.
Writing resistor values like 4k7 come from the days of hand drawn (and written) circuits. It's easier to write 4k7 and have it survive and be legible, than it is to write 4.7k and hope for it's survival (greasy fingers could easily smudge that 4.7k resistor into a 47k resistor). So any time you see a value written like 1k8, 3k3, 4k7 or 7k5, you should read it as 1.8kOhm, 3.3kOhm, 4.7kOhm and 7.5kOhm. Does this help? this is what i was thinking as well. Also, if you look at a EHX Small Stone, there's only one pot on the surface of the pedal, so unless there were internal trim pots, that's the only pot in the pedal.
Answer:
Originally Posted by Griffon Resistors are measured in ohms and multiples of ohms. The values without any modifier by them denote just 'ohm', so 100 and 470 are 100ohm and 470ohm resistors.
Writing resistor values like 4k7 come from the days of hand drawn (and written) circuits. It's easier to write 4k7 and have it survive and be legible, than it is to write 4.7k and hope for it's survival (greasy fingers could easily smudge that 4.7k resistor into a 47k resistor). So any time you see a value written like 1k8, 3k3, 4k7 or 7k5, you should read it as 1.8kOhm, 3.3kOhm, 4.7kOhm and 7.5kOhm. Does this help?
Originally Posted by thesteve this is what i was thinking as well. Also, if you look at a EHX Small Stone, there's only one pot on the surface of the pedal, so unless there were internal trim pots, that's the only pot in the pedal.
Oh, ok. Thanks, guys.
Answer:
Ok, another question. Do input and output jacks need to be different?
Answer:
Originally Posted by ieatdirt Ok, another question. Do input and output jacks need to be different? nope. that's why the shopping list just says "2 - 1/4 jacks"
Answer:
Ok.
I'm still a little iffy on which capacitors to use. I know it would be a pain, but could someone tell me exactly which ones? There are so many, and I don't know which ones are right.