ForbiddenWytch

I hadn't contacted them as my thinking was, with it being a '99 built model and before Gibson or Peavey ever owned the company, I didn't think they'd have the spares for this model as I'm sure they discontinued it when Gibson bought the company, I could be wrong though. I'll fire them a message and see what they say. Luckily, turns out I don't need one of the rubber bits (found one on Reverb for £23 but that guy can sod off!) as the guy who had apparently serviced it (yeah, alright) had moved the rubber grommet to the "EQ Balance" pot which doesn't need one due to it being a closed off pot. Just the handle, screws and rack ears it is then!

Hey everyone I bought a 1999 built Trace Elliot GP12 SMX yesterday off of a fellow BC member but I need to find a few bits for it. Nothing major but would be nice to have it fully completed again. Basically, I'm in need of 4 of the tiny black screws that hold the top of the shell on, 1 of the green rubber surrounds for the pots on the front panel (just the rubber spacer that glows round the pots), one of the side carry handles/straps (with screws) and rack ears (again with screws) too. If anyone has one of these amps for spares and would sell me these parts then I'd appreciate it. Either that or if someone could point me in the direction of where to get them. I've tried eBay to no avail as well as British Audio Spares who don't have any of these parts. Thanks

@Grangur Sorry again but the Billy Sheehan bass is not active at all. The compartment on the back is for access to the 2 jack inputs (they have since changed it on the Attitude III to have the jacks mounted on a plate on the front instead of the barrel jacks going through). the pick ups in Billy's basses are Dimarzio Will Power Middle & Model One Neck pick ups (passive, more recently a Yamaha designed pick up in the neck on the Attitude III but again passive). The controls are Neck Volume, Neck Tone & Bridge Volume only. Where he talks about it being two pre amps is that he splits the signals off to 2 different wireless units and then off to 2 different amps which are sculpted for mids & highs on the P pick up then just low end on the Neck pick up. If you pull one of the pots up on his bass it actually routs all the pick ups through one output instead of two as well without cutting tone or volume from either pick up but the neck pick up will still function as that low woofer pick up. Billy's one of my main influences, I've done a lot of reading about his basses. There's also a Facebook group called "Yamaha Attitude Ltd." where a gentleman called Jon Willis built an exact replica of Billy's "Wife" Bass and tells about things like that. So in short, what I want is definitely possible with passive circuitry. It's essentially the same as with Les Pauls where you can have two seperate tone controls that don't affect the opposing pick up or like on Rickenbackers which do the same thing (and I'm not talking about the Ric-O-Sound ones here, just the standard single jack Ricks). You can run the neck pick up with the tone all the way off and still have full range on the bridge pick up or vice versa. I'll just keep going at it on a trial and error, I have a few spare push pull pots so I'll keep going until I find a way.

Hi there. I can see where you're coming from over the tone bleed etc and the earth being where the high frequencies are sent to but to mention one I mentioned earlier, Billy Sheehan's Attitude Basses are all passive and the neck "woofer" pick up has a push pull tone cut just for that pick up alone and then it all feeds off to the P Pick up volume and out put so there must be a way somehow. I might look up one of the Yamaha diagrams and see what that says?

My attitude? Okay dude? I wasn't being crappy at all so I apologise if that's how it came across but pot calling the kettle black and all with your own reply there. I would actually thank you for mentioning about the capacitor needing to be moved to the right lugs on the switch but as said, your reply was quite rude.

Okay, sub woofer, woofer pick up, one word mix up there. Clearly I'm not asking for a pick up to act as a speaker. I was phrasing like Yamaha do in relation to the woofer pick up on Billy Sheehan's basses. 2ndly, the diagram is labelled to show that the neck jazz in the photo is there to represent the neck humbucker and the bridge Jazz is there to represent the P&J pick ups. As I said, everything works apart from the fact the tone cut on the push/pull is cutting tone from the other pick ups as well as the humbucker in the neck when pulled up. Everything else is wired exactly as shown in the diagram and works as it's meant to. That is the only small issue. I don't want to run it where I switch between the neck pick up and P pick up, the 3 way switch works to switch between the P & J just fine. The neck humbucker being on 1 volume and the P & J being on the other works perfectly too. The killswitch I've wired in works as it should, earthed perfectly too so it's dead silent. The tone cut is the only issue I'm having.

Hey! I've recently set about modding a P/J bass to also have a neck humbucker (a dual blade style humbucker, the Entwistle X3) that I can use as a standard pick up or as a subwoofer . I have done the body mods to the bass and have the pick ups installed. The way I have it wired is to have the P&J pick ups going to a 3 way Les Paul style switch then off to the bridge volume on a Jazz Bass style wiring with the neck volume being for the humbucker in the neck position. I haven't put a tone control in so basically it goes from the bridge volume (or P/J volume) to the output (with just a kill switch in-between). On the neck volume pot (or Humbucker volume), I have installed a Push/Pull pot which when in the up position, I wanted to be a treble cut for that neck humbucker so it's just pumping low end only. Now, as said, I have done this wiring and the P/J section works great, the 3 way switch does as it should and the neck volume works as it should until you pull up the knob for the tone cut. When you pull it up, it cuts the tone from the neck pick up but also cuts the tone from the P/J pick ups too which is not what I wanted. I have attached the wiring diagram that I have used below but crudely used paint to show the changes, hopefully this works! *edit* since trying this first method, I have swapped the centre and right lug (as if you were holding the pot pointing upwards) around and this just causes the neck volume to control the P/J pick ups too basically meaning both volumes have to be on full for the P/J pick ups to work Can some one help me with what I need to do for this to work? If there's no simple one then I'm just going to scrap the push/pull pot and put a mini toggle switch with a tone cut between the pick up and the neck volume. Thanks!

Obbm I have sent you a PM, thank you!

Hey guys Long story short, I want to fit a 2 band pre amp in one of my basses but the pre amp has a 10k for one of the controls and 100k for the other but my bass only has one hole for a tone control and I don't want to drill another so does any one know where to get a 10k/100k stacked/dual (whatever you call it) potentiometer? Thanks

[quote name='Painy' timestamp='1509572846' post='3400060'] Appeared to be the same level coming from the tuner out as the instrument level going in (had the input gain on the 'slave' amp at the same level as it would normally have been plugging the Bass in directly) and it wasn't affected but turning the output volume up or down either. [/quote] Wicked! You've just solved my problem there. Thank you for taking the time to do that. Guess who's now going to have to save up the pennies and build up a stupid sized rig again!

[quote name='BigRedX' timestamp='1509531903' post='3399618'] If you want to stick with Trace Elliot have a look at stand-alone GP12 pre-amp because that has a built-in bi-amp output with a variable crossover frequency. You can run that into any powers amps you want and control everything from a single point. [/quote] Hey, I've checked out the GP12 pre amp but it won't do exactly what I want, I'd rather be able to completely sculpt the 2nd amp's tone and it seems that it's basically just a normal crossover to split the frequencies on the pre amp. Thank you for your suggestion though.