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Does pickup height affect tone?

Have to say, like many things, "it depends"...
Depending on the shape of the magnetic field and its strength
the effect of height may be negligible or substantial - Lane Poor
Jazz pickups vs DiMarzio P Blocks for example. The field lobes
vary depending on magnet geometry humbucker/single , bar/poles,
you get the idea. For sure though - too close will interact with the strings
in a bad way ( if they are strong magnets) odd overtones and too hot a
signal. Playing style is the biggest issue - light touch players can run them
closer than slapping gorilla grabbers.
 
I just spent a lot of time adjusting the pickup height on my basses. I bought a new amp which is closer to the hi-fi end of tonal spectrum. This amp does not scoop out the mids like my previous one did. So I set the amp eq flat and adjust the pickups for the optimal tone. That way my amp has less work to do correcting for tone elements that I don't like. This is not my first time doing this, but the hi-fi nature of this amp made the effect much more noticeable. I found that once I got near the optimal height, very small adjustments made a noticeable difference. For example, my Fender Roscoe Beck with flats took on a very pronounced percussive attack at a certain pickup height. (Not from slapping the pickups from what I can tell.) I was able to adjust the level of the attack by small changes in height. In general, I find small adjustments in height can be a good way of balancing the lows, mids, and highs. Has anyone else experienced this or am I just cork-sniffing again?

Yes and I will never adjust a pick up again! I'll gladly pay someone who has a special sheet, the right measuring tools and/or a perfect ear.

Sorry to hijack- there was a new vs used thread the other day: This is another benefit new basses-they are untouched by do it yourselfers who might not know what they're doing! Yes, I have been hearing about flash mobs of kids running around with little screwdrivers and they are intentionally messing up picky up heights at stores, particularly at GC... but I'll roll the dice on that one.
 
Yup no doubt distant from the string to the pole piece changes your tone best to go with the manufactures suggested height
Fender as a example:
Bass Side Treble Side
Vintage style 8/64" (3.6 mm) 6/64" (2.4 mm)
Noiseless™ Series 8/64" (3.6 mm) 6/64" (2.4 mm)
Standard "J" or "P" 7/64" (2.8 mm) 5/64" (2 mm)
Special Design Humbuckers 7/64" (2.8 mm) 5/64" (2 mm)
 
Yes, In particular, my experience is with a G&L L2000 and those powerful pickups. They have such strong magnets, and I, at first, when having the strings too close to the pickup, got, what I would consider, a really really bad tone (almost sold the bass immediately) then.....I did two things....I lowered my pickups a lot first, and then went with flats. The sound is now more palatable.
 
Your right. Even the slightest adjustments can alter the tone. IMO The farther= more bass the closer=more treble.

I think that lowering the pickups doesn't give more bass, but you just seem to have more bass, because the treble and overall volume and sharpness drop. Everything goes up when you raise the pickups.
 
YES

it's another thing we can just adjust to our taste ... which is relative to our string choice , the tone we're looking for , amp , speaker , pickups , etc ...

the only problem is getting so close that the magnets pull on the strings , and you lose sustain .

we all hear different things in our given playing situations ... i play mainly in my studio now , using headphones most of the time ... so i do hear the slightest changes .. !
 
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I suspect the affect differs with pickup design too. When I was setting up the Roscoe Beck V, (dual humbuckers with parallel/sereis/single-coil modes for each pickup), I had the pickups in series mode. I choose this setting because it is the most difficult to get a good tone. Once I adjusted the tone for this mode, I found that the height also worked in parallel and single coil modes. I also noticed that the change in height had little affect on tone in SC mode. The humbuckers on the RBV are pretty wide. I wonder if this has something to do with aperture.
 
Especially if you use 2 different pickup models. A matched set might be harder to tell sometimes rather than 2 different voicings. but I use a boomy mid and bass packed neck pickup, and a trebly, bassy bridge pickup. Total opposites. But blended together sound nice and even when the pickup heights are right. Small adjustments (again to my ear) effect certain volumes and overtones. It's all about preference at that point.