Majesty 8

Question: Music Man GS412 Guitar Cabinet 1979?

Snoopiedoop

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Sep 23, 2020
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Norway
Hi,
I just bought a 1979 Music Man Guitar Cabinet, and I have been searching the web for the manual but haven’t found one yet.

I believe it has an output of 600w/8 ohms but I recently read that the cabinet is mono/stereo(2x16 ohms). So does that mean I can run it as a single cab in stereo? Which brings me to my second question: is that what the second input is for (the input with «screw»)?

Thanks in advance for any replies!
 

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tbonesullivan

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Is the back of the cabinet removable? If so, take it off and look inside. It's 41 years old, and much could have changed on the inside from when it was first built.
 

dibart77

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Is the back of the cabinet removable? If so, take it off and look inside. It's 41 years old, and much could have changed on the inside from when it was first built.

+1

I would bet $1 that there's no possible way that a 41 year old 4x12 has the original speakers in it. I have bought 2 year old cabs that have swapped out speakers. Open it up, identify which drivers it has, and note how they're wired (series, parallel, series/parallel). From there, you can determine the wattage and ohms. You can also determine the overall ohms by touching your multimeter to the two leads right where they go into the output jack. I prefer this method as then you don't need to "think" about the wiring scheme and derive the ohms from that.

Man, you got a great looking cab there. I was recently considering getting a Music Man half stack.

 
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Snoopiedoop

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Sep 23, 2020
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Norway
Is the back of the cabinet removable? If so, take it off and look inside. It's 41 years old, and much could have changed on the inside from when it was first built.

Its 100% original and in near mint condition (see pics). It looks just as good as my 6-month old 2536 cab. And it has never been used for giging and such According to the former Owner.
 

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dibart77

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DrKev is here to defend my honor.

Cab looks awesome Snoopiedoop. If you decide to sell, PM me.


 

Spudmurphy

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Nice score on the cab. I have two MM (original) combos, an RD 50 and an RP65.
For me, the 65 is the better amp, but live, I use the RD 50 - because it's smaller !!
 
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