Re: What's a "B" pot?

"Phil S" <psymonds_no_spam@xxxxxxxxxxx> wrote in message
news:uaadnf86eNUTxLLeRVn-iw@xxxxxxxxxxxxxx
> "MikeyMann" <mikeyamps@xxxxxxxxxxx> wrote in message
>> Phil, B is for linear pots, A is for logarithmic/audio tapered pots.
>> Linear pots have their resistance spread out evenly throughout the pots
>> range, so if you had a 100K linear pot and a knob numbered 1 - 10, then 1
>> would represent approximately 10K, 2 would be 20K and so on. With
>> log/audio tapered pots, the resistance is gradual up until about the 1/2
>> way point. So, when the knobs on "5" or 1/2 way up, the resistance may
>> only be 20K or 30K, which represents only 20-30% of the total resistance.
>> As the knob is rotated further, the resistance value catches up quickly
>> and by the time you have the knob turned all the way, you wind up with
>> the same 100K resistance as the log/audio pot. Same ultimate values, just
>> different resistances/tapers throughout the range.
>>
>> Mikey
>>
> Mikey,
> Thanks for the good explanation. I understand the difference. I just
> hadn't seen the "B" designation. I think it's simple lack of experience.
> I'm glad there's someone left here who can fill in the blanks!
> Regards,
> Phil

No problem Phil. I figured that you knew the difference, but there may be
some guys here that possibly didn't know. It also help me remember this
stuff as well! :)

Mikey
















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