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#2411845 - 04/19/15 05:57 PM Is my Roland RD-800 faulty?
Gostan Online   content
Junior Member

Registered: 05/14/14
Posts: 3
Hi everyone,
For almost a year, I couldn’t get used to how standard piano patches sound on my RD-800. I’ve visited Roland office to play another RD-800 and probably know the difference now.

I’ve recorded 2 octaves from C4 to C6. Until C5 all notes sound good but starting from C5 I can hear ambient humming noise and even roaring when note decays. F5 has same noise but it quickly and abruptly stops. I’m almost sure I haven’t heard it on RD-800 at Roland office. At the end I play B4 and C5 to show difference between ‘good’ and ‘bad’ notes.


I’ve recorded to USB after factory reset using Concert Grand. Reverb is off, sound lift all way is up so that hum is more prominent. But I can hear the same on untouched Concert Grand and other patches. This can be fixed by turning low gain EQ a bit down.

Can you hear same on your RD-800? I would highly appreciate your help as I’ve got only a few weeks until my warranty is finished.

Edited by Gostan (04/19/15 06:11 PM)

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#2411904 - 04/19/15 10:15 PM Re: Is my Roland RD-800 faulty? [Re: Gostan]
siros Offline
Junior Member

Registered: 08/11/14
Posts: 18
Loc: Bangkok, Thailand
I tried to listen to your recording, but I can't say I notice anything wrong.
Do you hit the keys pretty hard? I notice that the attack is sharp.
Do you hear this ambient humming when you play softer?

But yes, I agree that the decay is kind of short.

#2411927 - 04/19/15 11:51 PM Re: Is my Roland RD-800 faulty? [Re: Gostan]
Jay Roland Offline
Full Member

Registered: 12/08/13
Posts: 463
Loc: Edmonton Alberta
I compared your recording to the RD-800 in my living room. Played your recording through a KC-110 Amplifier, along with the RD-800. Set the levels you described to match and played the same notes.

Just tried it using headphones as well.

I heard no difference between what you recorded and what the RD in my living room produced. The only conclusion I can draw from this less than ideal test, is that your RD-800 is doing what I'd expect with Sound lift cranked.

Sound Lift is described as this in the manual. "Lets you change the way that the sound responds when you play the keyboard softly. For example, this can be adjusted suitably for solo performance, or to prevent your sound from being buried in the rest of the band. Increasing this value will allow fairly loud sounds to beIncreasing this value will allow fairly loud sounds to be produced even when you play with a light touch, so that your performance will not be obscured by the playing of your band. Changing this value does not affect the way in which the sound responds to velocity."
Alberta/BC North Factory Sales Rep for Roland Canada.

#2412564 - 29 minutes 45 seconds ago Re: Is my Roland RD-800 faulty? [Re: Gostan]
Gostan Online   content
Junior Member

Registered: 05/14/14
Posts: 3
Thanks for trying and comments. Sound lift were used just to make sound issues more prominent.

I've made another recording and amplified it a bit +10dB and guess that problem can be heard.

I've played C5-C6 and then B4 and C5 3 times. B4 sounds correctly. C5 and up produce humming ambient noise. At the end I play F5 - noise starts and abruptly stops faster that any other note.


Can I ask someone to record Concert Grand from middle C up 2 octaves (C4-C6)? And post a link to Dropbox or another way?


#2412565 - 13 minutes 33 seconds ago Re: Is my Roland RD-800 faulty? [Re: Gostan]
emenelton Online   content
500 Post Club Member

Registered: 08/02/09
Posts: 665
I do hear the roaring you describe. I turned my speakers down for the attack and turned them up quickly, a-lot, for the rest of the note.
It sounds like the resonance from inside of a piano.

#2412566 - 12 minutes 16 seconds ago Re: Is my Roland RD-800 faulty? [Re: Gostan]
PhJ. Online   content
Full Member

Registered: 09/28/02
Posts: 214
Loc: Brussels
I don't hear anything unusual for a DP, especially if you amplify a high velocity note +10db.
The decay is short but again, that's nothing exceptional for a digital.


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