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Peavey Cabinet Joinery

STRMan

STRMan

Aug 1, 2021
217
578
Daytona Beach, FL
#1
Does anyone know what king of joinery Peavey uses on their cabs? I've been wanting to build an extention cab for my TNT-115 combo. The goal is to mimic the speaker in the combo exactly. I plan on using the same speaker (a 4-ohm Blue Marvel 15") in an identically sized and ported cabinet (minus the area for the installed head of course) and I can't tell what what kind of joints are used to put it together. I have no desire to tear off the tolex from my nearly mint TNT to find out. I've searched eBay to see if someone is selling an old beat up Peavey cab to see if a ripped up corner or side could reveal anything, but I've had no such luck.

I know I could just buy an extention cab, and I have in fact done this in the past, but every extention cab I try changes the sound, so I end up selling it off. I just want a bit more of this exact sound. I'm in need of a new woodworking project and I want this to be my next one.
 
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#10
Some versions of the TNT work at 2 ohms.

I would suggest getting g an identical combo and link them through the effects send/return.

Different versions used different speakers too. I know of 4 different speakers, including Blue Marvel, OEM open stock, Sheffield and Scorpion.
 
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#11
A lot of the older Peavey amps, including some of the combos, would do a 2 ohm load. I had a 1980s Combo 300 many years ago that would do a 2 ohm & still have a late 90s T-Max that will handle a 2 ohm load.

IMG_5562.jpeg
 
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#13
From a carpentry perspective glue and screw with a cleat screwing from the outside into the cleat the panel should be drilled for a slight clearance and the cleat drilled for pilot approx 1mm smaller than the screw.
The method you choose will make no difference to the sound whatsoever.
Buying an old combo will cost far less than the materials to build one!!
However if you want to hone your carpentry skills doing dovetails with a tenon saw there’s nothing wrong with that if it gives you enjoyment
 
#14
Thanks for all the ideas. It is the Blue Marvel version, rated at 200 watts at 2 ohms, and it was loud as hell when I was using a Peavey 210 TVX cab, but it changed the tone more than I wanted it too. This conbo sounds awesome with my Aria Pro II SB-700, and just as good with my upright bass.

I honestly hadn't thought of just getting another combo. They are pretty cheap, but the challenge is finding one in good condition within driving distance from Daytona Beach, FL. I don't even want to think about how much shipping one of these would be!
 
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#15
Stewie said:
They are so cheap, just buy another to use as an extension. But if they are anything like my old TNT130, it's a lot easier to simply stack a pair and run a cable between the top ones one's preamp out, and the lower one's amp in. Two 4 ohm speakers might blow up a single TNT by having too low an impedance for one amplifier
Click to expand...

This is a pretty clean solution. Just run two of the suckers.
 
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#16
STRMan said:
I honestly hadn't thought of just getting another combo. They are pretty cheap, but the challenge is finding one in good condition within driving distance from Daytona Beach, FL. I don't even want to think about how much shipping one of these would be!
Click to expand...
A few listed here, maybe an exact match. Shipping for GC Used is very cheap, I think my 95lb cab was $33.

"bass amplifiers" Results | Guitar Center
.
 
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#19
STRMan said:
Does anyone know what king of joinery Peavey uses on their cabs? I've been wanting to build an extention cab for my TNT-115 combo. The goal is to mimic the speaker in the combo exactly. I plan on using the same speaker (a 4-ohm Blue Marvel 15") in an identically sized and ported cabinet (minus the area for the installed head of course) and I can't tell what what kind of joints are used to put it together. I have no desire to tear off the tolex from my nearly mint TNT to find out. I've searched eBay to see if someone is selling an old beat up Peavey cab to see if a ripped up corner or side could reveal anything, but I've had no such luck.

I know I could just buy an extention cab, and I have in fact done this in the past, but every extention cab I try changes the sound, so I end up selling it off. I just want a bit more of this exact sound. I'm in need of a new woodworking project and I want this to be my next one.
Click to expand...
Should be butt joints that are glued and either stapled or nailed.
 

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