strange problem with the electrical system of my home

[dmitri]

The c8 and c14 in my pcb are ceramic (not polyester) , is a possible cause?

No, as long they are good and of the right nominal.

And the c12 in my pcb is ceramic and have the sigle 102 ( =1nf) , i see the quick manual and the c12 capacitor is 100nf polyester, is an error?

You have to make sure yourself that the nominals of all parts are correct.

I have soldered the ceramic capacitor because I had not received the polyester in the kit.

I'm not expert but the difference from ceramic and polyester make this difference (noise in my case) ?

No.

I must say, tracing a cause of intermittent electrical problems is very difficult. It could be wrong/faulty parts, bad soldering, bad shielding and etc.

[Maylord.war]

Thanks a lot

Yes i have checked the info about C12 , i will try to put a 100nf (the correctly capacitor) tomorrow.

I will post the news as soon possible

[Maylord.war]

Thanks a lot

Yes i have checked the info about C12 , i will try to put a 100nf (the correctly capacitor) tomorrow.

I will post the news as soon possible

Nothing, i have replaced the correct capacitors but the problem is present...

And now when hit hard my snare (with voltage divider and HighLevel auto Yes on around 350) in megadrum manager i see the Rim note on, my snare have only one piezo connected in the tip and sleeve of my stereo jack.

In soft/medium hit the head note is correct but an hard hit generate rim note on, why? How is possible if the ring is disconnected?

I have the same problem if put "Altfalsetrig suppression" and all "gain low" set to yes

The problem not is present only if i turn off ( at 0 koHm ) my linear 100k potentiometer. The piezo is 27mm

Thanks

[dmitri]

I can only quote myself:

I must say, tracing a cause of intermittent electrical problems is very difficult. It could be wrong/faulty parts, bad soldering, bad shielding and etc.

Any of the above can be the cause of your problem.

[kupooglop]

And now when hit hard my snare (with voltage divider and HighLevel auto Yes on around 350) in megadrum manager i see the Rim note on, my snare have only one piezo connected in the tip and sleeve of my stereo jack.

I am curious. What type of snare are you using? Is it an A to E snare with a foam cone & mesh head or is it a diy snare based on a practice pad or some other hard surface? Second, you say you are using a stereo jack. What is connected to the Ring? Is it an open circuit?

[Maylord.war]

And now when hit hard my snare (with voltage divider and HighLevel auto Yes on around 350) in megadrum manager i see the Rim note on, my snare have only one piezo connected in the tip and sleeve of my stereo jack.

I am curious. What type of snare are you using? Is it an A to E snare with a foam cone & mesh head or is it a diy snare based on a practice pad or some other hard surface? Second, you say you are using a stereo jack. What is connected to the Ring? Is it an open circuit?

Thanks for you interested

The snare yes is A to E conversion with foam cone and Roland mesh head.

I use stereo jack because i have buyed a stock of this, in the Megadrum i have 16 stereo jack and one Mono for the kick, all the 32 inputs are connected. In the snare i use only one piezo connected to tip and sleeve, the ring nothing is soldered.

The strange problem is this, the pad is a little hot and i reduce the signal with a voltage divider, i see the Rim note only when hit hard and only when the potentiometer is active at some kOhm, if i turn off the pot at 0 kOhm the problem disappears but in this case i have a High velocity midi signal and and I lose a lot of dynamic

Thanks a lot

[dmitri]

If there is no crosstalk between the head and the rim when the trimpot is turned all the way up, effectively excluding it, maybe you wired the trimpot incorrectly?

[Maylord.war]

Hi Dmitri

I think not is a problem of crosstalking because i have only one piezo connected to the jack


i have tryed with all values of crosstalk, crosstalk group, minscan, threshold level DynLevel, DynTime.

Of course in type section is active " Single piezo"

Dmitri if you put your mono kick drum to a snare input and hit hard you can see the rim hit or other note?

The trim pot is ok, all connection are ok. The male jack cable are new, but is possible if i have over signal on the tip cause interference on ring channel?

Thanks a lot

[dmitri]

Hi Dmitri

I think not is a problem of crosstalking because i have only one piezo connected to the jack

I very well understood from the beginning that you have only one piezo. Crosstalk can be mechanical and electrical. Here, it is obvious, I mean electrical crosstalk.

i have tryed with all values of crosstalk, crosstalk group, minscan, threshold level DynLevel, DynTime.

Of course in type section is active " Single piezo"

Dmitri if you put your mono kick drum to a snare input and hit hard you can see the rim hit or other note?

No.

The trim pot is ok, all connection are ok. The male jack cable are new, but is possible if i have over signal on the tip cause interference on ring channel?

It can be anything. For example, you may think you wired the trimpot correctly but in fact it's not. Test other inputs, try to see the trend and figure out a possible cause.

[kupooglop]

what type of wire are you using to connect piezo to megadrum.