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Anonymous Posted on Apr 01, 2012

Bought a digitech rp355 went to set it up but i have no sound

I bought a digitech rp355 on tuesday i got it home and set it the way the manual states but to my surprise i have no sound. I have tried all the ways to set up the pedal and i have check all my cables and they work fine. i taught it mite be because i bought it from an american website and the power plugs/volts are different but i have bought a replacement irish plug for it and still no joy please can someone help

1 Answer

Anonymous

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  • Master 1,212 Answers
  • Posted on Apr 02, 2012
Anonymous
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If the unit is in bypass mode, the display will indicate "BYPASS" That would bypass the RP355. You might try that to see if the problem is with the 355.

You might also have issue with the output being essentially low Z out if it is plugged into a High Z input.

Are you using the unbalanced 1/4 inch guitar jacks or the XLR? Is the XLR wired correctly? If not it may be grounding out the input.

If your eurozone power pack is the correct polarity on the coaxial power plug, the unit should light up. If it is not even doing that- check the polarity as it may be reversed from what you need. As long as the the output voltage and current is close to what the American power supply output current is- molded into the power pack, there should be no issue there if polarity of coaxial plug is correct. It should behave and respond to the various setting displyed on the RP unit.

Is it plugged into a computer? Did the computer recognize the driver? Is there a software conflict? If you have a windows machine, you can open the device manager and see if there is a yellow X or yellow question mark on the device- if so the driver either did not install, or there is a software conflict. you may need to to enable the audio for that input in "Audio Properties" in the control panel of the PC. If a mac- make sure it is selected under "Chooser".

In short- you should be able to plug your guitar into the unbalanced input of the RP, and then you can run a cable from the RP unbalanced output to the guitar amp. There are 5 different lengths of 1/4 inch jack in use- make sure yours are the right length for the amp, and the RP.

in bypass mode, the guitar should be heard, you can put the unit in bypass mode by pressing the up and down keys at the same time. Also make sure the amp is not in standby or muted either. These things can happen. It should work, it shoudl light up, it should give you visual indication something is or should be happening.

5 Related Answers

Michial Gueffroy

  • 1140 Answers
  • Posted on Dec 19, 2010

SOURCE: I was playing my Orange Crush 20LDX that I just

Since this is a brand new amp right out of the box, I would recommend returning it immediately to the dealer you bought it from. If it can't be repaired under warranty they might replace it with a new one.

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Fred Yearian

  • 5603 Answers
  • Posted on Mar 09, 2010

SOURCE: i hav a digitech rp500 and my power adapter broke

It is likely the adapter is underpowered for the pedal. Get the correct adapter .

Michial Gueffroy

  • 1140 Answers
  • Posted on May 26, 2009

SOURCE: i need the pin out details of a digitech rp6 guitar effects pedal

Try contacting the service center rep at (801)566-8800. They might send you a schematic for the pedal if you explain your situation. They do recommend using the original power supply which is PS0912.

Michial Gueffroy

  • 1140 Answers
  • Posted on May 26, 2009

SOURCE: digitech rp6

Try contacting their service center rep at (801)566-8800. They might send you a schematic for the pedal if you explain your situation. They do recommend using the original power supply PS0912 which should still be available. Hope this helps.

Anonymous

  • 4 Answers
  • Posted on Nov 02, 2009

SOURCE: There is a constant loud hum/buzz whenever I turn

First and foremost , check your signal chain. By that, i mean put the pedal aside, ...just unhook it and take it out of your signal path. Using the same cables , guitar , amp, other pedals - borrow a friends MT-2 if you can get one , and try THAT to see if THAT works , OR any other kind of distortion pedal. If another one works ok , it's YOUR MT-2. Boss pedals are pretty rugged , but sometimes the little actuator (on/off switch) underneath the treadle (where you push your foot down) will become faulty. That's a high-gain pedal - are you using a basic Strat or other single-coil pickup guitar? If so , are you playing close to any flourescent lights? SIngle coils are noisy around those lights. Will cause a hum / buzz if using a heavy dist. pedal. You can check that by moving around as you play.

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