Questions & Answers for: Roland muffled amplifier

my volume is very low on my roland cube 15 amp my volume is very low on my roland cube 15 amp can you tell me what the problem could be .thanks dave. ...

While playing, my Roland KC-550 will make a loud pop and the sound will stop for a moment. It then starts right back playing. Sounds almost like a short??? Sounds like some solder / component ...

MMP2 seems to have no voltage selector. Manual states power as 230, 240, 110v. I am reluctant to plug my US 110v unit into UK 230v mains. Would appreciate any info? Check the manual..It's on the ...

I would like a copy of the user manual for a roland pa400 amplifier.\r\nThis is to be used by an amatuer theatre company in their bio box. Could you please advise me where I could obtain one of these ...

I have a Roland AC60 amplifier that I brought from Australia to the US. The Australian version of this amp runs on 240 volts not 110. My question is; 1) does anyone know if converting this amp to 110v

I like the sound of my practise amp but it's not powerful enough can i connect it to a larger amp without getting feedback/distortion? you can use the record outputs to run the signal into a stereo ...

I have noticed a buzzing sound generated from the amplifier when I play my low e string Several possibilities come to mind: The speaker is driven too far mechanically causing the voice coil to go into

...muffled output from Phones jack you need to check the power supply of the amplifier with the help of a voltmeter. if that is OK the power amplifier IC(integrated circuit) is gone bad, see for ...

Why does my roland martin 30000k not power up, how do i diagnose? check powercord check fuses check volume

where is the fuse for the roland kc 500???? The fuses are located within the amplifier, you will need to carefully disassemble the amp chassis from the cabinet to access the fuse....