Help please, wiring experts: blackout preamp on/ off?

T

tonaholic

New member
I'm curious if there's something one could do on a Les Paul that would allow one of the knobs to become push/pull on/off for the preamp so that it could be switched between PAF and metal? I would be so happy. Would also be ok with going to one volume/one tone or two volume/one tone if needed :)
 
Re: Help please, wiring experts: blackout preamp on/ off?

sadly there's no switching built into the bomp :( and it's non-trivial to wire it up yourself. you'd need to take all 8 pup wires from the 2 4-conductor humbuckers, and have a switch that will route them all to the bomp or not at the same time. (my switch naming terminology ain't that great, something like an 8-pole, double throw?) so you could send all the signals to the bomp in one position, and off to some passive wiring in t'other. i'd think that you'd need separate volume & tone stacks for each as they'll need hugely different values of stuff, possibly even separate pup selectors for each mode too.
 
Re: Help please, wiring experts: blackout preamp on/ off?

To clarify, you want to be able to bypass the preamp, and have the pickups go direct out?
 
Re: Help please, wiring experts: blackout preamp on/ off?

eviltobz said:
sadly there's no switching built into the bomp :( and it's non-trivial to wire it up yourself. you'd need to take all 8 pup wires from the 2 4-conductor humbuckers, and have a switch that will route them all to the bomp or not at the same time. (my switch naming terminology ain't that great, something like an 8-pole, double throw?) so you could send all the signals to the bomp in one position, and off to some passive wiring in t'other. i'd think that you'd need separate volume & tone stacks for each as they'll need hugely different values of stuff, possibly even separate pup selectors for each mode too.
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Darn! I wish they would add this feature to a product revision. The preamp on/off is turning into a very cool and popular feature on new guitar models.
 
Re: Help please, wiring experts: blackout preamp on/ off?

Let me chew on this over the weekend. It might not be as difficult as first appears. I wish I had one of these in my hand.
 
Re: Help please, wiring experts: blackout preamp on/ off?

ArtieToo said:
Let me chew on this over the weekend. It might not be as difficult as first appears. I wish I had one of these in my hand.
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If you can do it you will be a god... Many guys over at 7string.org have tried and failed to slay this dragon. I would shower praise in obscenely copious amounts over you whilst throwing a dozen vestal virgins at your feet.
 
Re: Help please, wiring experts: blackout preamp on/ off?

I'll have to go ahead and purchase one of these so I can check it out "up close and personal".

Film at eleven. ;)
 
Re: Help please, wiring experts: blackout preamp on/ off?

I've done it but I'll never ever do it again.the amount of work doesn't warrant the convenience of an active plus passive circuitry. I was having issues with the output jack so I ended up using two jacks. one for active, one for passive (which I practically did with a 2 way toggle to toggle the outputs). the signals kept bleeding. And I had to use 3 toggles in total. 2 for the pickups (to rerout them to the blackout modular preamp or the passive circuit) and one for the jack. I used a little wooden block on top of them so they'd look like one huge, wide toggle.

It's hell. I'll never do it again.
 
Re: Help please, wiring experts: blackout preamp on/ off?

Not sure what matters most, the Blackout sound or the active/passive switch, but Carvin does this and sells the harnesses here.

Tho this solution would be pretty fiddly, too, as it assumes the pot holes are Carvin spaced.
 
Re: Help please, wiring experts: blackout preamp on/ off?

Ah. I think the closest I'll get is using my liberator to swap in/out some d-activators as the needs of my music change but it doesn't sound like there's a good active/passive solution on the market yet, despite the popularity of the feature... Who do we need to talk to about this, Mr Skopp?
 
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