Question about Boss Mt 2 Metal Zone Effects Pedal

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Hi :) I have a problem with my Boss mt-2 pedal. Whenever I insert the jack plug in the input, the adapter switches off automatically. The pedal works fine with battery and no problem is created. This only occurs whenever the jack plug is inserted and the adapter is switched on thanks :)

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  • Boss Master
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Make sure you are NOT using a TRS (stereo or three conductor cable) type cable. PLugging into the input should turn the pedal ON, not off. The switch on the jack may be broken or soldering to the circuit board may be broken OR worst case, there is a crack in the circuit board.

Posted on Mar 16, 2011

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1 Answer

Battery problem


DId you remove the plug from the input jack to turn the pedal off? If so then you may have a bad input jack.

Jul 03, 2013 | BOSS AUDIO SYSTEMS Boss Dd-3 Digital Delay...

1 Answer

Hello. I have a Boss MT-2 distortion pedal. It will not power up with the adapter or battery. Wondering what could be wrong. Any suggestions on what to look for? Thank you!


The battery is connected via plugging in the input guitar cable ( a seperate contact is made at the jack). Sometimes this can be broken. Usually this failure is caused by someone stepping on or yanking a cable and the solder is broken at the jack/board attachment. This can be the input jack OR the power jack. Occasionally the circuit board or the traces on it are cracked, requiring jumpers to be installed on the board. In any case, open the pedal and look for these problems.

Aug 15, 2011 | Boss Mt 2 Metal Zone Effects Pedal

2 Answers

It seems to have no power the led light doesn't come on. its brand new, but I havent used it in about five years


Are you using battery or AC adapter for power?
Most pedals won't allow you to use both. Check that there is no battery installed if you're going to plug it in. If you are using a battery, Some pedals won't light an LED on battery power.
If problem persists, your pedal may be DOA

May 04, 2011 | Boss Mt 2 Metal Zone Effects Pedal

1 Answer

I actually use boss ml 2.. it works just fine for the past few month. but all of a sudden now. its just wont work. i even change the batteries. what happen was. while i was playing. it suddenly shuts off...


The first thing I would do would try a 9V AC Adapter to rule out a battery issue completely. But if you have changed the battery already, this shouldn't be the issue. Does the red light come on at all? The next thing I would check involves removing the back cover of the pedal and making sure the input/output jacks are okay. Do you see any hanging wires, loose solder, or smell a burnt smell? If you have only had this pedal for a few months, you may be able to send it back to BOSS for replacement under your warranty.

Mar 04, 2011 | Boss Mt 2 Metal Zone Effects Pedal

1 Answer

I just got a new Boss Metal Zone MT-2 pedal 3 days ago(1-28-11) n when I press on it is not turning on???


Try the obvious stuff first.
  1. Check that it has a battery in it and it is installed the right way round.
  2. Only use top quality batteries (Duracell Ultra or equivalent) do not use re-chargeables as they don't achieve adequate voltage.
  3. If you are using a mains adapter try a battery instead as the adapter may be faulty (or vice versa)
  4. Some effects pedals will not switch on without a jack plug in either the input or output socket (or both)
  5. If none of that works it is probably faulty - take it back to the shop and ask them to replace it or prove it works

Jan 30, 2011 | Boss Mt 2 Metal Zone Effects Pedal

1 Answer

My MT-2 wont distort my guitar.


A few things to try....

Usually the adapter will over ride the battery when used.
1) Make sure your 1/4" cables are working properly without the pedal "in-line".

2) Take out battery, and use just the adapter only. Make sure it is the correct and proper adapter that works with Boss. Usually the PSA-120. If you are not using a Boss Adapter, make sure yours is a direct replacement with same specifications. 9V/200mA. And "tip negative". DO NOT use Radio Shack stuff, nothing against them, but there adapters just don't mix well with Boss products and the like.

2) Try just the battery, no AC adapter. Remember to unplug the input when not in use. Saves battery.

Basic rule of thumb...when using correct AC adapters for all your pedals all the time, and all sounds good, then take out the batteries.

If you still experience problems, it would be an internal IC chip most likely. From there post another question maybe.

Apr 01, 2010 | Boss Mt 2 Metal Zone Effects Pedal

2 Answers

How to set up foot switch in order


Personally I recommend the following set up:

Distortion>Effects>Compression/Noisegates/Sustain

This will ensure that the signal won't have any odd hiccups due to an odd pedal setup. But if you play around with different orders, you can end up with some very interested sounds.

Nov 24, 2009 | Boss Mt 2 Metal Zone Effects Pedal

1 Answer

There is a constant loud hum/buzz whenever I turn the pedal on. With my Boss Mt 2 Metal Zone effects pedal. It happens whether or not the power supply is plugged in. Ive tried switching cables and...


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.

Nov 02, 2009 | Boss Mt 2 Metal Zone Effects Pedal

2 Answers

Light indicator is on


Try changing the battery, if it doesn't help, some possibilities are:

- dirty contacts or a broken wire on the footswitch

- a broken wire from the distortion output to the output plug

- a broken wire elsewhere in the unit (e.g. potentiometers or rotary controllers)

- a bad input / output level or other potentiometer or rotary controller

- a burnt out component (a bit unlikely, but possible, and it could be anything)

- a bad connector contact inside the unit

- a bad pin solder contact on ANY of the components inside the unit (wires, connectors, switches, jack plugs, resistors,variable resistors, trimmers, diodes, capacitors, transistors, ICs, etc.)

Broken wires / badly soldered pins need to be resoldered, but if there is damage to any of the components, they wil probably need to be replaced.

I hope you can find out what it is.

regards

3rq8 (Triarcuate)

Jul 26, 2009 | Boss Mt 2 Metal Zone Effects Pedal

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