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Discussion in 'Tonefreaks' started by jonesy, Dec 18, 2008.
HOW TO MEASURE THE VALUE OF A 500K POT
PICS AND EXPLANATION IN MY MLPF PROFILE
How can you be sure it's a 500k pot you're about to measure?
It usually has 500K stamped on back of pot
You can barely make out the printing on the back of these CTS pots but each has part # date code and 500K stamped into the metal case....
Use the outside lugs on pot when measuring fixed resistance with meter...
Thanks bro, basic I know..but I have seen people ask this question a lot of times so thought I would put up a post
right... sometimes I'm surprised at what some people ask...
Since we are playing stupid question hour....
I just bought a batch of eight on the bay. Not a one reads 500k. How low below 500k is considered acceptable? +/- 10, 15, 20? I have the following ranges:
hmm so they're not really 500k's? never thought of that
Well the reason I meter pots and check there values is so I can place them in the best spot when I build a harness. A lot of the time I will have much higher values 515K 524K 550K etc. Larger values got to neck volume, lower values (446K, 435K)are used for bridge value etc. Many theories and a lot of discussion on this topic and I just don't feel like getting into it right now.
Now you see why Quality Control is so important. All of those wouldn't meet our tolerance.
RS meters every pot that goes into the kits, so none of the above-listed nonsense happens---anything below our tolerance is weeded out. We might take that 494K pot if someone wanted 'lower-range' pots, but the rest hit the bin...
Don't give me that quality control BS HIllbilly, I have heard lot's of complaints about RS pots from many people, and it is usually about the way they taper off.
Gibson, since the 1950's has always randomly used parts in all their guitars, never bothering to meter Pots or caps etc. and many are considered the "HOLY GRAIL" of Tone.
Just because your pots read right on 500K does not mean your guitar will sound good. A 550K in the neck may sound less muddy and more open, and a 450K in the bridge may add a little more compression and sound a little sweeter, that is why some guys use 300K's in their LP's.
Say what you want, but IMHO There is an art to building the right harness for a certain guitar & pu's
This is nice to know. I was actually just wondering about this. I might of figured it out by playing around with my multimeter, but I don't have pots laying around to mess with.
hmm so higher is better for neck and lower is better for bridge?
That is just my opinion on this subject, but I am sure there are others that will disagree
since I don't know much about this and I trust you, I'd remember your opinion I'm getting into this thing
As a general rule yes, but it really depends a lot on the out put of the pu itself.
Vintage PAF's maybe range 7.2K-8.5K normally the Hotter pu would go in bridge and lower out put would go in neck to balance volume level. But when Gibson was building them back in the 50's n 60's they just pulled them out of a bin and installed them randomly, resulting in some guitars sounding a certain way. Maybe the hot pu ended up in the neck and sounded Killer?
The Neck pu can sound darker, so a lower value pot would not allow to be as open and have as much gain as a 550K. But if for some reason you have a Bright sounding guitar where even neck pu was bright and bitey, a 450K Pot may sound excellent? Burstbuckers, or the Pro's sound different than the Classic 57's or 498T etc. Each guitar has it's own sound because of the wood. What sound great in a n LP may sound different in an SG.
So if you say every Pot is exactly 500K and this is what will make your guitar sound great, well I just don't think that is accurate or fair. I look at what I do as more of an art than a science even thought there is science involved in even the most basic electronics. I use my meter as a guide to help me make better choices and build better rigs.
Hey bro, take what I say with a grain of Salt cause it sure ain't the Gospel.
I am just letting you know how I think about things and I have spent lot's of hours both researching on line and tinkering first hand.
You have to find what is going to work the best for you by learning all you can from everyone, and then using it to do your own thing with wiring
hmm yeah I'm learning alot from you...
sometime soon I'll save up so I can buy the resources then solder the heaven out of my wiring I won't stop tinkering till my guitar sounds like an angel singing sounds like a plan