Unplugging jacks?

[The_D]

I always unplug all my jacks once I have finished practice or gigging but its a huge pain

I use a daisy chain power adaptor from all but 2 of my pedals and was wondering if I need to unplug these too?

Also as a side note has anyone ever had a problem with a power supply causing feedback through pedals? I only ask because I bought a Boss NS-2 last month and it took me ages to work out why I was getting the feedback. I had a new battery in it but as soon as I switched it on I got nothing but squeeling feedback

I took it to a repair shop I know of and the guy foned me and told me it was fine?! I plugged it back in at the studio and away it went squeeling like a mad man... until I unplugged the daisy chain. It works fine on my SD-1 and my other non-boss pedals so why the grief with my NS-2?!

Actually that turned out to be more of the main body than a side note but meh, its bugging me

[Sean S]

The two pedals you're not powering with your daisy chain should be unplugged. The pedals use a stereo jack as sort of a "battery switch" and will drain them if left plugged in.

Squealing, I dunno. You don't have your NS-2 set up for a feedback loop, do you? (output straight to input)

[The_D]

Originally Posted by Sean S

The two pedals you're not powering with your daisy chain should be unplugged. The pedals use a stereo jack as sort of a "battery switch" and will drain them if left plugged in.

Squealing, I dunno. You don't have your NS-2 set up for a feedback loop, do you? (output straight to input)

I realise the ones running off batteries should be unplugged for the reason you described but one is my Big Muff Pi which only has the battery option and the other is my NS-2 which should run from the power supply

So what you are saying is that the ones using my daisy chain are fine to leave plugged in and wont drain the batteries?

I run bass > Tuner > NS-2 > compressor > amp and I put the SD-1 and Big muff through the send return loop on the NS-2. I am pretty sure I have the chain right but for some strange reason the NS-2 just doesnt like my power supply!

[Sean S]

Not to doubt your competence (we all make mistakes )...

I've read about EHX products having "backwards" jacks (out and in are switched). Are the send and return jacks connected to the proper inputs? (Send->in, out->return)

[The_D]

Originally Posted by Sean S

Not to doubt your competence (we all make mistakes )...

I've read about EHX products having "backwards" jacks (out and in are switched). Are the send and return jacks connected to the proper inputs? (Send->in, out->return)

Yep the in/outs are reversed from normal pedals but I even bought a longer patch cable to compensate when plugging them all in. They are all pluggen in correctly. Doubt my competence all you want, I might have something wrong but not that.

In fact when I first hooked up the NS-2 I just stuck it at the end of my signal chain and didnt bother using the send return loops Once I downloaded the manual from Roland I realised my error and thought that would solve the problem but nope, its definitely the power supply.

[cheapbasslovin]

Doesn't the NS2 have a DC in and out? Could you have plugged it into the wrong one? I don't know if they are just wired together or if there is some fancy pants circuitry tying them together. I don't have any other ideas so I'll chuck this ign'ant one out at you.

[niftydog]

Originally Posted by The_D

...nope, its definitely the power supply.

So, let me get it straight, if you unplug the power supply to the NS-2 and run it on batteries, without changing any of the patching, the feedback immediately goes away? Does changing the NS-2 loop volume controls have any affect? What happens if you turn on/off the effects in the loop?


And just to confirm - for most pedals, so long as there's a plug in the DC jack socket, the battery is disconnected from the circuit.

[The_D]

Originally Posted by cheapbasslovin

Doesn't the NS2 have a DC in and out? Could you have plugged it into the wrong one? I don't know if they are just wired together or if there is some fancy pants circuitry tying them together. I don't have any other ideas so I'll chuck this ign'ant one out at you.

It does have 2 female jacks for power but I have no idea which is which. I did try both seperately though and it didnt change a thing.

Originally Posted by niftydog

So, let me get it straight, if you unplug the power supply to the NS-2 and run it on batteries, without changing any of the patching, the feedback immediately goes away?

Yep, exactly.

Originally Posted by niftydog

Does changing the NS-2 loop volume controls have any affect? What happens if you turn on/off the effects in the loop?

None of the dials changed a thing. It is quiet enough when the NS-2 is turned off but when I switch it on (even with the effects in the loop off) thats when I get the feedback. Switching the pedals in the loop off and on doesnt do a thing. The feedback stays just as bad. When I play a note however I get a different pitch to the feedback but it kind of latches on and even muting the strings doesnt do anything. I have to switch the NS-2 off to stop it.

[niftydog]

Wow, another new one on me.

Ok, try something for me.

Unplug the loop from the NS-2, then just plug in a spare cable to the loop A return socket, with nothing connected to the other end. When you switch on loop A (with it's volume up) the sound should more or less mute - I think! (Just going on engineers intuition here!) You might get that buzzy 'disconnected' type of sound if you touch the tip of the not-connected end.

I'm wondering if there's something up with the mechanical switching within the jacks themselves. Is the techo you sent it to familiar with Boss stuff?

[The_D]

Originally Posted by niftydog

Wow, another new one on me.

Ok, try something for me.

Unplug the loop from the NS-2, then just plug in a spare cable to the loop A return socket, with nothing connected to the other end. When you switch on loop A (with it's volume up) the sound should more or less mute - I think! (Just going on engineers intuition here!) You might get that buzzy 'disconnected' type of sound if you touch the tip of the not-connected end.

I'm wondering if there's something up with the mechanical switching within the jacks themselves. Is the techo you sent it to familiar with Boss stuff?

I will try a few things at practice on friday but I know it was behaving the same when I first tried it with nothing connected in the send return loop at all. I will try sticking a cable from send to return on friday though.

[Swimming Bird]

The tech you sent it to tried it with a power supply... right?

So you're saying you get feedback no matter which of the two DC power jacks you plug the daisy chain into? That's a definite red flag to me...

Try powering just it with the daisy chain, see if that works any better. It has an incredibly low current draw and you're not running many pedals off the daisy chain, so it shouldn't be an issue, but if it's still feedbacking from either adapter plug, then IMO it is definitely broken.

Oh, and they do make 9v clips for daisy chains so you can run your Russian Muff without wasting batteries.

[The_D]

Originally Posted by Swimming Bird

The tech you sent it to tried it with a power supply... right?

So you're saying you get feedback no matter which of the two DC power jacks you plug the daisy chain into? That's a definite red flag to me...

Try powering just it with the daisy chain, see if that works any better. It has an incredibly low current draw and you're not running many pedals off the daisy chain, so it shouldn't be an issue, but if it's still feedbacking from either adapter plug, then IMO it is definitely broken.

Oh, and they do make 9v clips for daisy chains so you can run your Russian Muff without wasting batteries.

Thats a good point. I am not sure if he did. It was only after I got it back from him I realised the power supply was the problem.

I bought some 9v clips for my muff but the feedback was horrible. Think they must have been cheap ones or something. Might look for better ones.