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[Irving A. Hammond Jr.]

On the AMPLIFIER end hook the tip of the plug to the "hot" wire in the mic cable.  It can be whatever color you want-as long as you remember it.  Usually red or white.  Hook the other wire AND the shield to the ground of the 1/4" plug.

On the INSTRUMENT end hook the hot wire to the tip of the plug.  Hook the other wire to the ground of the plug.  DO NOT hook up the shield wire.  Make sure it is disconnected and cannot touchthe ground wire.

Hey, aren't directional cables suppose to have the shield connected on the source end and disconnected on the destination end.  Isn't it suppose to be like an extension of the shielding in the guitar.

you can try plugging the cable in both ways to see which way is superior for your application.

[Ned Ward]

Get the Morley Hum-X - it's $60, and got rid of an annoying hum in my Bandmaster combo that only surfaced at home or in places with weird power.  Worth it.

[Ivan Beaver]

Hey, aren't directional cables suppose to have the shield connected on the source end and disconnected on the destination end.  Isn't it suppose to be like an extension of the shielding in the guitar.

you can try plugging the cable in both ways to see which way is superior for your application.

In an ACTIVE situation yes-such as a mixer to an amp.

However the actual guitar player (he has passive electronics) has no direct path to ground for the noise to be "drained" to.  The amp "should" have a path to ground.  A lot of older models don't and that could also be part of the problem.

[DavidTurner]

In an ACTIVE situation yes-such as a mixer to an amp.

However the actual guitar player (he has passive electronics) has no direct path to ground for the noise to be "drained" to.  The amp "should" have a path to ground.  A lot of older models don't and that could also be part of the problem.

This particular Showman has a grounded mains plug.

[Bob Leonard]

This particular Showman has a grounded mains plug.

Which is a direct path from the input jack to the ground wire and power transformer center tap or 100 ohm resistors I described above. Send me a PM with his current effects board setup and I might be able to come up with a cure.

[DavidTurner]

Which is a direct path from the input jack to the ground wire and power transformer center tap or 100 ohm resistors I described above. Send me a PM with his current effects board setup and I might be able to come up with a cure.

Thanks Bob. I have emailed the player and am waiting for a response.

[Tony Martin]

I cannot believe that no one has said this yet, so......
The amp is humming....because it doesn't know the words   

[DavidTurner]

I cannot believe that no one has said this yet, so......
The amp is humming....because it doesn't know the words   

Hey that's MY joke!

[Tony Martin]

Hey that's MY joke!

Beat ya to it 

[DonSneed]

when all else fails try talking to the amplifier (in a nice voice tone)..... just tell the amp to stop hummming, "Learn The Words" come back in a couple of hours & see if the humming stopped & all is OK.....

[ProSoundWeb Community]