Rewiring Jazz Bazz - Vol/tone/vol/tone with s/p switch & 2 caps: Check my work?
Hey yall. So I'm rewiring my bass AGIAN and this time, I'm thinking of putting in another tone control so that each pickup has it's own control (a la Marcus Miller style). I've written up some schematics, would someone be so kind and check my work? Here's the scoop:
- There is a series/parallel switch
- 2 volumes/2 tones for each pickup
- Each tone control will be a push/pull selecting one of 2 caps. I'm assuming these work like DPDT, so that the lug on the pot needs to be wired to the actual switch that the push/pull controls.
The only part that I may have messed up is what to do with each tone control. On a stock J, the hot comes from the bridge pot into the middle lug of the tone pot, then goes to the jack. Im ASSUMING that each tone pot gets wired to the hot lug on the jack, meaning that there will be a wire from each tone pot going to the jack.
While I've got you here, is there any perceivable difference between using a 250k vs 500k for the tone pots? The 2 caps i'll be using are 0.047µF and 0.10 µF
Heres the schematic I drew: http://i46.tinypic.com/aqq8k.jpg
I REALLY appreciate any help I can get on this. Thank you!
There are two problems.
First off, the tone controls are directly parallel to the output, which means that they will both act as masters, even if the volumes are not on full. On that note, a setup like this is compromised to begin with, as that interaction is still going to happen frequently when wired properly, unless you opt for resistors in series with the outputs from each set of controls.
Second, the capacitor switching is overcomplicated. You only need one pole.
What's up with the neck pickup's volume pot?
Why not just install those stacked knobs with both the vol and tone on each?
As for the capacitor switching, I didn't know you could get single pole push/pulls, maybe i'll opt for that.
I drew the neck vol pot wrong initially, Disregard the black scratched out part near the left lug.
IMHO, two tones is not a good idea. You will have interactions unless you use the resistors, but the resistors will kill output. If you want to do that, however, just about any non-inductive resistor will work in this application. 1/2W metal films would be preferable for the lowest noise, though.
The switch will be DPDT, but you will only be using one of the poles to minimize switch pop.
every marcus miller bass i've ever seen had an active bass boost and treble boost, not two tone controls.
now you could use two tones if the pickups were in series, and it's a neat sound, where killing one tone knob leaves you the boosted lows from two series pickups but the clear highs from only one.
danelecros with the stacked knobs do this.
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