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Roland FP-30 buzzing #2851073 05/22/19 09:52 AM
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RichieBill Offline OP
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Hi Everyone!
I plugged my FP-30 to the Mackie passive volume controler which is connected to my monitor speakers by the 3.5mm cable and I discovered strange buzzing. I recorded that issue using recorder Zoom H4n, close to the monitor membrane:
https://soundcloud.com/rychubil/fp-30-buzzing
Any one to had similar issues? Any one know, what can be the reason?


Roland FP-30 | Pianoteq 6 PRO | Synthogy Ivory II | Production Voices | Neumann KH120 | Grado SR225i
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Re: Roland FP-30 buzzing [Re: RichieBill] #2851086 05/22/19 10:22 AM
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QuasiUnaFantasia Offline
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To me that sounds like electromagnetic interference caused by some sort of radio transmission (possibly WiFi); the sound itself reminds me of modems of ye olden days. The noise seemed to happen in two separate packages. My immediate thought is that we're observing electronic communication between devices following a protocol including distinct packages of data.


Roland FP-30, Roland E-28
Pianoteq 6.5 (Bechstein DG, Grotrian, Steinway D, K2), Garritan CFX Lite, Production Voices Estate Grand
Re: Roland FP-30 buzzing [Re: RichieBill] #2851091 05/22/19 10:25 AM
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clothearednincompo Offline
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A USB cable near the audio cable or some other data cable causing interference?

Just a wild guess. I really have no idea.

Re: Roland FP-30 buzzing [Re: clothearednincompo] #2851099 05/22/19 10:43 AM
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RichieBill Offline OP
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Originally Posted by clothearednincompo
A USB cable near the audio cable or some other data cable causing interference?

Yes, scored!
I unplugged USB cable, which was connected to the computer's sound card and the issue disappeared.
Thank you smile

Last edited by RichieBill; 05/22/19 10:45 AM.

Roland FP-30 | Pianoteq 6 PRO | Synthogy Ivory II | Production Voices | Neumann KH120 | Grado SR225i
Re: Roland FP-30 buzzing [Re: RichieBill] #2851105 05/22/19 10:59 AM
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Tyrone Slothrop Online Content
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Originally Posted by RichieBill
Originally Posted by clothearednincompo
A USB cable near the audio cable or some other data cable causing interference?

Yes, scored!
I unplugged USB cable, which was connected to the computer's sound card and the issue disappeared.
Thank you smile

Not sure if it does anything, but I only use shielded USB cables around my audio equipment and DP (in fact, all my cables around audio equipment and DP are shielded, no matter what they are for). Usually by either an aluminum or aluminum alloy sheath. I figure since I haven't experienced any leakages, it at least didn't hurt.


across the stone, deathless piano performances

"Discipline is more reliable than motivation." -by a contributor on Reddit r/piano
"Success is 10% inspiration, and 90% perspiration." -by some other wise person
"Pianoteq manages to keep it all together yet simultaneously also go in all directions; like a quantum particle entangled with an unknown and spooky parallel universe simply waiting to be discovered." -by Pete14
Re: Roland FP-30 buzzing [Re: Tyrone Slothrop] #2851115 05/22/19 11:18 AM
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RichieBill Offline OP
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Originally Posted by Tyrone Slothrop
Originally Posted by RichieBill
Originally Posted by clothearednincompo
A USB cable near the audio cable or some other data cable causing interference?

Yes, scored!
I unplugged USB cable, which was connected to the computer's sound card and the issue disappeared.
Thank you smile

... I only use shielded USB cables around my audio equipment and DP ... I figure since I haven't experienced any leakages ...

Can you show me please any good example of shielded USB cable (Amazon or other)? I am not sure which kind of I use.


Roland FP-30 | Pianoteq 6 PRO | Synthogy Ivory II | Production Voices | Neumann KH120 | Grado SR225i
Re: Roland FP-30 buzzing [Re: RichieBill] #2851120 05/22/19 11:32 AM
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Tyrone Slothrop Online Content
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Originally Posted by RichieBill
Can you show me please any good example of shielded USB cable (Amazon or other)? I am not sure which kind of I use.

There are tons available on Amazon. Search for shielded USB cable and check descriptions and customer reviews.


across the stone, deathless piano performances

"Discipline is more reliable than motivation." -by a contributor on Reddit r/piano
"Success is 10% inspiration, and 90% perspiration." -by some other wise person
"Pianoteq manages to keep it all together yet simultaneously also go in all directions; like a quantum particle entangled with an unknown and spooky parallel universe simply waiting to be discovered." -by Pete14
Re: Roland FP-30 buzzing [Re: QuasiUnaFantasia] #2851122 05/22/19 11:38 AM
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Charles Cohen Offline
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Originally Posted by QuasiUnaFantasia
To me that sounds like electromagnetic interference caused by some sort of radio transmission (possibly WiFi); the sound itself reminds me of modems of ye olden days. The noise seemed to happen in two separate packages. My immediate thought is that we're observing electronic communication between devices following a protocol including distinct packages of data.


+1. USB cable? Ethernet cable ?

It _doesn't_ sound like a ground loop, or anything similar to a ground loop.

Some ferrite chokes on the connecting cables might help. Electronic supply houses have them; I don't know if they're available through normal retail "hi-fi" or "music store" channels.


. Charles
---------------------------
PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / EV ZXA1 speaker
Re: Roland FP-30 buzzing [Re: RichieBill] #2851157 05/22/19 12:41 PM
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clothearednincompo Offline
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Originally Posted by RichieBill
Yes, scored!


Yay! laugh

Re: Roland FP-30 buzzing [Re: RichieBill] #2851189 05/22/19 01:58 PM
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MacMacMac Offline
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All cables are shielded ... so long as you stay away from the dollar store cables, or ones sold online for stupid low prices.
Originally Posted by RichieBill
Can you show me please any good example of shielded USB cable (Amazon or other)?

Re: Roland FP-30 buzzing [Re: MacMacMac] #2851200 05/22/19 02:30 PM
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RichieBill Offline OP
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Originally Posted by MacMacMac
All cables are shielded ... so long as you stay away from the dollar store cables, or ones sold online for stupid low prices.
Originally Posted by RichieBill
Can you show me please any good example of shielded USB cable (Amazon or other)?


I think, rather I have shielded USB cable, cause I've paid 15 GBP for 5m one.


Roland FP-30 | Pianoteq 6 PRO | Synthogy Ivory II | Production Voices | Neumann KH120 | Grado SR225i

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