Question about Marshall Amplification Marshall MG4 Series MG30FX 30W 1x10 Guitar Combo Amp (Black)

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I have an MG30 FX amp. In manual mode when I change channels amp seems to work incorrectly. E.g. i select clean, then set up delay. When I change to crunch then, there's no delay, though from the manual I get it that I should hear the effect when in manual mode. When I return to clean, I hear no delay even there (turning the knob helps). Moreover, when changing from clean to crunch/OD the sound gets much louder (like gain knob gets into another position, turning it a bit and returning to its previous state helps) Is it me doing something wrong? Or maybe it is how it's supposed to be? Thanks for help.

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Typically ONLY one effect will be active at a time unless there is a specific mixed effect available. The gain levels between the different effects are often not too consistent. In summation, this is probably the nature of the beast.

Posted on Mar 12, 2011

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1 Answer

How do I fix channels with no sound


Mute Switch/Mute-Clip LED :
  • This switch mutes all Aux, Group and L/R sends from the corresponding channel.
  • This switch is equipped with a red LED that will illuminate when the channel is muted.
  • When the MUTE button is out,the LED functions as a Clip indicator that will illuminate at 2 dB below clipping.
  • Muting the channel does not prevent the PFL signal from being sent to the PFL/AFL mix when the PFL Switch (12) is in.
  • This switch mutes its respective Group send from the Group channel.
Go to page 11 in this link :
Peavey FX Mixer Series Operating Manual

You can also try, Restoring Factory Settings, in the Utility Menu Options.
Go to page 16 in ths link :
Peavey FX Mixer Series Operating Manual

CAUTION:
Restoring the factory settings option resets your mixer's presets, reformatting factory presets and erasing all other user presets. (This option is handy when your venue has permanently changed and all-new presets are required.)
Once confirmed, the presets are not retrievable and will be permanently lost.
Should you select this option in error, a warning screen allows you to cancel the procedure.

Sep 05, 2015 | Peavey 32fx USB 32 Channel Mixer

1 Answer

What would cause my Marshall Mode 4 amp to not change channels?


That can be caused by a faulty switch contact. I presume channels can be selected manually.

Aug 05, 2014 | Marshall Amplification Marshall AR-AM4,...

1 Answer

I have a behringer eurorack ub1204fx hooked up to a bose L1. I can't seem to get the reverb to work


you have to set three gain controls to pass the FX into the mix. The FX send gain for each input channel, the FX fader which sends the FX mix to the effects unit, and finaly the gain that sends the FX output to the mix. Depending on which effect you choose, some are very subtle.

Aug 06, 2011 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

HELLO, I HAVE A BEHRINGER PMP 3000 MIXER, AND I CANT SEEM TO GET THE FX TO WORK EVEN THOUGH I FOLLOWED THE INSTRUCTIONS IN MANUAL, IME JUST WONDERING IF THERE IS SOMETHING IME OVERLOOKING? SCINCE I KNOW...


Do the following:

Set each of the FX mix knobs to 12 o'clock (halfway up to start)... I believe they are orange tops for each channel effects are desired for.

Next select the number of effect by rotating the selection knob. The display will flash.

Push DOWN on the selection knob to activate the selected effect number... the display will cease to flash. Note that you can mute the effects with a small button in the effect area and decimal point will come on showing effect, even though selected, is disabled. That small button can toggle the effects on and off.

Next, adjust the "FX to main knob" above the MAIN fader... set it to 12 o'clock to start with.
Note that there are two others that send the resultant same effect to stage monitors if used...

Now ADVANCE the FX (orange) fader to increase the input to the FX. You should start to hear the effects... SOME of the effects are subtle, so maybe choose a long delay one to get the hang of it... choose #3 for example...

The manual is NOT too clear how to use the effects and is confusing... they assume you have knowledge common to mixers... and new users don't.

I would recommend watching several YouTube videos about mixer setup... there are some good ones there !!! Most mixers have a lot in common and once you learn what is there, you can work most any of them... some of the new digital ones are a bit more confusing.

Feb 14, 2011 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

The FX portion of the board is clipping with no input signal present, there is no sound output at all. Also, none of the mute/pfl LEDs light up on channels 1-12.


There are several clipping indicators on this board. Do you mean that the small vertical display to the left of the FX selection window is maxed out from top to bottom? I will assume that you have ALL the FX inout knobs CCW for all channels AND the FX slider all the way down. Also does the FX selection knob work to change the effect number? Does the rest of the board work? WILL the effects pass sound when you send it through the effects? You say no sound, but was that just to say with no sound sent to it it still is clipping, or that it will not pass sound?

Oct 18, 2010 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

I have Behringer PMP 3000 2 channels not working fx not working and fan not working but unit turns on ok


Fan speed depends on temp sensors. If doesn't run at all when unit is loaded, take in for repair immediately.

If FX window changes with the control, chances are you have not set the controls properly. You need to havew THREE places turned up for effects: The FX knob in the desired channel(s), The FX slider and finally the knob to send the FX to the mains and/or monitors.

OFTEN the stereo channels aopear to not be working because of the A/B switch between the RCA and 1/4 inch jacks.

You did not give me enough info regarding which channels appear to not work.

Sep 26, 2010 | Behringer Pmp3000 16 Channel Audio Mixer

2 Answers

How to get the effects to work on the mixer


This is in general for Behringer mixers since you did NOT tell us a model number...

To use the effects you adjust the FX knob for EACH channel for the amount of the mic or input you want to send to effects from that channel. This is the "send" mix.

You dial in one of the effects based on the list near the effects selection window with the selector knob and the number will change and start flashing. You press down on the selection knob which will enter the new effects number and the number will be solid and not flashing.

Then there is a knob to select how much of the OUTPUT of the effects you want to go to the main and sometimes one for the amount to the monitors.

That is all there is to it. The effects can be gated by a foot switch input if you desire.

It is a good idea to include a model number as your thing is posted as if it is a PMP3000 mixer.

May 11, 2010 | Behringer Pmp3000 16 Channel Audio Mixer

2 Answers

Fender Deluxe. The volume knob has no effect whatsoever. Volume only changes with the drive knob.


Your amp has two channels - "normal" and "drive." When you are on the normal channel, the "volume" knob controls your gain. In the "drive" channel, the drive knob controls your gain. In both channels, the "master" knob limits how loud the amp will get.

Most likely, you are on the drive channel, so the volume knob will have no effect. Try pushing the "channel select" switch. You should notice the channel indicator lamp (next to the drive knob) turn off. When it is off, you are in the normal mode. Yellow = drive, and red = "more drive."

Experiment with different settings to get a variety of tones.

To get the most out of this amp, try reading the manual, available online here:
http://www.fender.com/support/manuals/pdfs/manuals_elec/guitarpdf/Hot_Rod_Deluxe.pdf

Have fun - it's a great amp.

Oct 28, 2009 | Fender Hot Rod Deluxe Guitar Combo...

1 Answer

My echo wont turn off when im on my clean setting


Hi, try holding down the clean channel button when you start up the amp. If that doesn't work, try turning up the delay, then turning it all the way down.

I have the exact same amp and this always works. If this doesn't work for your amp, you may need to take it in.

Dec 28, 2008 | Line 6 Spider Iii 15 Modeling Guitar...

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