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Best bass mod ever for you?

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The brown Ric looks delicious.

Thanks

more pics

This is a 4004cii Cheynne Montezuma Brown. This bass was converted from a 4 string to a 5 string. This bass has 2 single coil pickups, the bridge is a custom made 15k ohm single coil, the neck is a modified 11k ohm Rickenbacker high gain. Iit is wired with stacked pots similar to a 4001/4003. It has a schaller bridge. The tirangle inlays are actually stickers.

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My G&L L-1500 went from a great bass to a lifetime keeper with this three-part circuit mod:

1. Replacing the stock R7 resistor with a 22k resistor kills the treble boost when the preamp is on.
2. Replacing the stock capacitor on the treble-cut pot with a .1 uf capacitor enables more treble roll-off.
3. A .001 uf capacitor added to the bass-cut pot (center lug to back of pot) reduces the resonant frequency of the pickup, providing more low end all the time.

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My G&L L-1500 went from a great bass to a lifetime keeper with this three-part circuit mod:

1. Replacing the stock R7 resistor with a 22k resistor kills the treble boost when the preamp is on.
2. Replacing the stock capacitor on the treble-cut pot with a .1 uf capacitor enables more treble roll-off.
3. A .001 uf capacitor added to the bass-cut pot (center lug to back of pot) reduces the resonant frequency of the pickup, providing more low end all the time.
Very cool.
 
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Reactions: GlennRH
I did not request these modifications nor do I necessarily condone them but this poor abused Yamaha BB1200 is now actually a pretty good little fretless bass in spite of the stupidity of the original owner deciding that he was going to learn how to play bass like Jaco when he didn't play bass at all or own a fretless.
I had to have a control cover made and have the raw dirty wood of the weird extended lower bout cutout sanded and finished.
It wouldn't stand a chance tone wise without the added bridge Jazz pickup but the deeply carved lower bout is pretty wanky. Maybe the best part of these modifications is that I was able to buy the bass for $150 off of Craigslist due to the hacks.
The guy never did learn how to play bass much less learn to play like Jaco.
Speaking of which: HAPPY BIRTHDAY JACO!
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IMO a bridge, strap locks, string trees, nuts, pickgaurds, knobs, jacks, and fretboard stickers are all great mods for almost any bass. Tuners are almost always good enough and pickups have always been an underwhelming upgrade IME on bass and gutiar.

I absolutely think if there's things about an instrument you want to change you should, unless it's a collectors instrument. Especially if you have the tools and knowledge to do it and can do the job well. However if you have a bass that's pretty much perfect it's not worth the money to start changing stuff. Very rarely do I change something and go "Wow that was a huge upgrade!" But after 5 or 6 little changes I tend to step back and think "this is a really nice instrument now."
 
I modded my two JB's:

AVRI '75 Jazz received a set of Fender Super55 split coil pups. OUTSTANDING on that bass.

Japanese Standard Jazz (2004-ish) received a set of DiMarzio Area J split coil pups, full set of Hipshot 27:1 ratio tuners, all new CTS pots, including a push-pull series/parallel switch in the neck volume pot, Orange Drop tone cap, switchcraft jack, and a new plate with US dimensions. This combination brought this bass up to an upper-tier player for me.