Nord User Forum

Hi all,

I recently noticed a problem with the audio outputs of my Nord piano 4. Randomly, the left monitor make some noise and finally stop working. I first thought it came from my monitor but no matter when I'm listening music for example, it occurs only with the piano.
I changed the cables but always the same problem, the left output sometimes works, sometimes not.

I'm going to try with my previous keyboard but I'm sure it will work just fine.

Any idea? Maybe a question of balanced or unbalanced cables? (mine are unbalanced).

You can't use balanced cables on unbalanced outs (as the NP's are) -- or I should say you could but that won't make a difference since the ring and the ground would short inside the jack.

The most obvious thing that comes to mind is: have you tried with headphones? Same result? Have you tried swapping the outs on the NP to see whether it is still the left channel that's affected?

Hi,

No problem with the headphones output.
When I swap the outs, the problem is on the other monitor (right).

I switch the NP4 with my previous synth (yamaha EX7) and everything is OK.

The only thing I didn't tried is to change monitors, maybe they don't like NORD sampling instruments?
I think I will have to call my retailer..

Some have reported having problems with one of the main outs when connecting a bad headphone adaptor into the headphone jack. If I've understood well.

I tried with several cables but it doesn't change anything.
Contrary to my earlier belief, the issue is THE SAME with the headphones.

FZiegler wrote:Some have reported having problems with one of the main outs when connecting a bad headphone adaptor into the headphone jack. If I've understood well.

If you are using a headphone adaptor (1/4" to 1/8") there are a bunch of mis-wired ones on the market, so get that out of the loop. If the unwanted noise only occurs in a narrow frequency range, it might be the monitors resonating on a particular frequency. I think it would be highly unlikely for your Nord to have a "bad channel" so I'd keep investigating external issues.

cphollis wrote:

FZiegler wrote:Some have reported having problems with one of the main outs when connecting a bad headphone adaptor into the headphone jack. If I've understood well.

If you are using a headphone adaptor (1/4" to 1/8") there are a bunch of mis-wired ones on the market, so get that out of the loop. If the unwanted noise only occurs in a narrow frequency range, it might be the monitors resonating on a particular frequency. I think it would be highly unlikely for your Nord to have a "bad channel" so I'd keep investigating external issues.

The unwanted noise and/or the lack of sound occurs randomly but simultaneously in the monitors AND the headphone. With my Yamaha EX7 (or any other audio source) no issue at all so I think that the monitors are not incriminated (but i can't be sure, my monitors are 10 years old).

cphollis wrote:

FZiegler wrote:Some have reported having problems with one of the main outs when connecting a bad headphone adaptor into the headphone jack. If I've understood well.

If you are using a headphone adaptor (1/4" to 1/8") there are a bunch of mis-wired ones on the market, so get that out of the loop. If the unwanted noise only occurs in a narrow frequency range, it might be the monitors resonating on a particular frequency. I think it would be highly unlikely for your Nord to have a "bad channel" so I'd keep investigating external issues.

The unwanted noise and/or the lack of sound occurs randomly but simultaneously in the monitors AND the headphone. With my Yamaha EX7 (or any other audio source) no issue at all so I think that the monitors are not incriminated (but i can't be sure, my monitors are 10 years old).

Does this occur with all piano sounds or only one, or certain specific ones?