Question about Bob Mackie MACKIE M1400/M1400i Car Audio Amplifier

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Need a replacement power switch for a MACKIE M1400i amplifier

Acquired the amp as part of a property purchase by my church- there is no switch in the amplifier and I need a new one. The tech rep for MACKIE in Tampa,FL found that they could not get the switch from MACKIE because they no longer make/use it. I need some type of replacement (even aftermarket!)

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Hello nnix,

The difficulty is in finding an "exact replacement" and you may just be out of luck there. But fortunately, almost any switch that can be adapted to fit will function properly. The radio shack part number 275-691 is a DPDT switch which mounts in an approximate 3/4" hole. The leads can be directly soldered into a printed circuit board or if the board has a different hole pattern, you can simply use short jumpers to the switch location.

Here's a link to All Electronics which has 35 different sizes and configurations of rocker switches. Surely one of these will work in the Mackie.

Hope this helps.

Posted on May 14, 2009

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Try: www.shop.alivesoundcenter.com

Posted on Nov 27, 2009

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2 Answers

No sound coming out of my mackie


Whether you are experienced in electronics repair?
if not, try this simply way:
1: Test whether the power amplifier is still working. See figure 1.
Power OFF,adjust the EQ settings as shown in the picture.
Minimize LEVEL.Switch ON Power. Touch pin 3 at the INPUT socket by using a small screwdriver or piece of wire / cable.
Slowly raise the LEVEL,a little bit only (as the clock showed 7-8) until
sound is heard in speaker. If not heard, slowly raise again LEVEL.
If audio input signal is heard,it can simply be taken to mean
that the amplifier is working.
If LEVEL at 9 o'clock position,and the audio is not heard,
the possibility of the amplifier is damaged.
Switch OFF the power. Take it to a repair place.
6825bf32-21db-4eec-b931-9d8e40f2652f.jpg

2: When the Power LED is lit, but no sound,
There are many possible causes, one of which is:
I have been getting 3 times similar cases, and all are caused by
two Rectifier-Diode (either or both.) damage on the power-supply-unit.
Remove/desolder,measure, if damaged replace it with a new one.
See figure 2-3.
eebe24b3-1cd5-4fba-b883-6ec7daa01b8f.jpg

83a7ac9f-dec0-4f86-8152-b570c34143cd.jpg

Hope it helps. Regards.

...............

May 13, 2014 | Mackie TH-15A Active DJ Powered THUMP...

1 Answer

I have a second hand Mackie m1400 power amplifier. From startup the hot light remains on and there is no sound from the amplifier in any mode. Many thanks.


Replace transistor Q91 with a 2SD1264A transistor.
Replace resistor R205 with a 10 ohm 1/4 watt resistor.

These will be located on the small board that the fan plugs into.

This is a fairly common problem with this amp. Parts can be found on the net for a few bucks. The shipping is usually more than the parts.

Jun 27, 2011 | Bob Mackie MACKIE M1400/M1400i Car Audio...

1 Answer

Amp turns on for split second, with the clip light on channel two flashing as well, and each time i do this the fuse on the power lead blows. Tapco Juice 1400 amp, thank you.


if youre amp is new return it sounds like you either have a faulty hook up or youre amp needs fixin...check youre wires espacialy youre ground not touching power...

Feb 24, 2010 | Bob Mackie Tapco Juice Stereo Power...

1 Answer

AMp does not display any LED read out


Amps have a part inside that is made to keep the channels equal. The problem is that when there is nothing hooked up to the second channel, then this goes bad and goes into protect. It is really hard on an amp to use just one channel.

Sep 26, 2009 | Bob Mackie Mackie M-1400i Power Amplifier...

2 Answers

Mackie 1200/1400 blows all 4 10 amp fuses


missmatched impedance, insufficient ground, blown transistor.

Jul 20, 2009 | Bob Mackie Mackie M-1400i Power Amplifier...

2 Answers

Cooling fan not working


check the solder joints from the fan to the board and if they are fine u will need to get a new fan

Apr 17, 2009 | Bob Mackie MACKIE M1400/M1400i Car Audio...

1 Answer

Mackie 1400 overload lights on


hey Ron
use a larger ground wire it will stop the overload you may have to place it somewhere new but its the size of the wire that trips the overload feature too small and amp will go and protect itself (bigger ground better sound)
hope this helped

Feb 28, 2009 | Bob Mackie Mackie M-1400i Power Amplifier...

1 Answer

Mackie 1400i Shorts out about 75% of volume when bridged to a 4ohm load randomly. If I pick the side of the amp case up a half inch and drop it to the floor it kicks back to 100% volume. Obviously it's a...


Hi, the problem is probably a bad solder. I don't know how this amplifier is made, but if the 2 channels have this problem together you should start by re-solder properly the components of the power supply especially the auxiliary power supply for the preamp. If it's a class H amplifier, check the hi + and - .
Bernard

Feb 09, 2009 | Bob Mackie Mackie M-1400i Power Amplifier...

1 Answer

Frozen/welded power on/off switch


Sorry your amplifier has and internal short and can only be repaired by a repair shop if its cost worthy. Putting a bigger switch will only provide more current to the source resulting in the same thing or a fire from the feedback of current creating heat at the weakest point in the circuit

Aug 03, 2008 | Behringer EUROPOWER EP2500 Amplifier

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