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My new to me SB-1. Believe it's about a '96 from the serial, but you would swear it just came from the factory. I've been loving this thing more every time I pick it up.
Finally got the SB-12 up and running too -- great pair! I might just have to try out some flats just to see what all the hype is![]()
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I recently played a bass with Ernie ball falts on it.
They sounded "just as aggressive and cutting" as the DA's, but with a more medium tension. Nice like that.
I rewired my on/on/on switches and it all works! Now I have independent series/parallel/inner/outer for each pickup. I can have the neck in series and the bridge in either inner/outer single or parallel or series and I can also somewhat cop an MM/J tone by having the bridge in series and neck in single. Because I used resistors for the series jump wires there's now no noticeable volume jump between series and parallel. The only noticeable change is the dual volume control - the neck series switch is a push/pull 500k tone control which has brightened thing up just enough. Passive always sounded a little too dark to me but active was just a little to brassy - full up on the tone control now gives just enough brightness and brings out more growl.
Here's a pic of the finished product:
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Now I'll call it "The Swiss Army Knife".![]()
Love the SB-1s!
DR flats and a B-15.
jamie
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Glad you got it all working- I figured the switches were the problem!
After doing similar mods to my L2000, I find I generally just stick with the "single coil" and "single coil with bass boost" (or "series with treble shunt" if you will) options. They tonally mix well with parallel and series, but then you don't get the hum-cancelling effect of two singles. Generally I have one pickup in single coil and the other in single coil with bass boost- there is still a bit of hum in this setting, but much less than a singled single coil, so completely manageable. Those pickups sound so freaking huge in single coil that its a real shame it wasn't always an option!
Before changing the electronics in the ASAT (and the L siblings) you could try to upgrade the caps in the preamp and also the ones soldered to the pots... This actually gives quite a LOT more clarity to the sound and the high frequencies opens up nicely...
The most important ones to upgrade are the ones directly in the signal path: Those are C2 and C3 in the schematic. The original caps are very low quality for signal coupling, and replacing them with good quality polypropylene types make a noticable difference.
You can see the new caps in the picture below: Yellow cap on the input (C3) and the larger 10uF output cap (C2) that is way to big to be on the preamp board, but fit's nicely into the cavity.
I waiting for delivery of the rest of the caps to upgrade the rest of the preamp section and also the bleeding caps on the pick up's and pots. I'll will bring an update on how the improve the sound...
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I don't quite get this. If the contact point "3" is hard-wired to ground, what will the treble boost achieve?
The 10K and 10M resistors are wired on the passive/active/treble boost switch. I am pretty sure it is a typo and that the 10K should have a '5' at it right hand end.
Glad you got it all working- I figured the switches were the problem!
After doing similar mods to my L2000, I find I generally just stick with the "single coil" and "single coil with bass boost" (or "series with treble shunt" if you will) options. They tonally mix well with parallel and series, but then you don't get the hum-cancelling effect of two singles. Generally I have one pickup in single coil and the other in single coil with bass boost- there is still a bit of hum in this setting, but much less than a singled single coil, so completely manageable. Those pickups sound so freaking huge in single coil that its a real shame it wasn't always an option!
All these great pictures...[snip] The SB-1 in front of the wood pile...Classy!!
At this point I have them wired inner/parallel/outer - is there a way that I could do the "single coil with bass boost" with these? How do I do that option?
Here is a handy (and authentic) Ken Baker wiring page for L series basses: Passive L Series Circuits
The "single coil with bass boost" is also known as "OMG" or "oh my god" mode. It is the original version of the G&L series mode, and the only difference between it and the normal series mode is the addition of a .1uf capacitor to ground on the series connection of the switch (so you need to have the series option to get the "omg" mode). You can get series(or OMG if you include the capacitors)/single coil/parallel by following the first wiring diagram on the above link using an on/on/on switch. On my L2000, I have the "OMG" capacitors on a push/pull pot so I can choose between normal series and "OMG", though I rarely use the normal series...
I've never tried wiring outer/series/inner, but I never found enough difference between inner and outer to feel the need for both.
FWIW, here's a link to an awesome document for how to do a handful of different wiring options for these basses. Go down to to the first post by "daveplaysbass" and download the second link on his post:
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While you're at it, go check out that other forum- maybe we can bring back the G&L discussions over there!
Thanks to Ken Baker and DavePlaysBass as always for their work in designing and making these diagrams readily available on the net!