Monster Subway D-800 Project

[nousersleft]

My first step would be setting the 215 cab vertical, but given the Kappa 15LF and EQ settings on the amp, I’m guessing that midrange articulation is not one of your tonal goals.

I used to have a Sunn 215 that I retrofitted with a pair of Kappa Pro 15LF, and I ended up blowing both of them.

That was an expensive lesson, shared in the hope you can benefit from it.

My suggestion would be to investigate the tuning frequency of that Mesa 215 to make sure it’s a compatible “home” for the 15LFs.

Yeah, as I mentioned, I didn't choose the LFs, the previous owner installed them. I didn't even know they were LFs until I opened it up to see which Kappas he'd installed. If it were up to me, I'd probably go with KappaLites, and may replace these with those eventually.

 

[Howard Southwell]

I used to have the same problem. Bar mat is the correct answer.

 

[nousersleft]

A simple non-slip bar mat or tool box liner works well for a lot of players using lightweight heads.

I've heard this but haven't tried it yet. I've also heard that at very loud volumes, these mats don't do the trick. I'll try and see.

 

[nousersleft]

Sounds miserable.

lol which part?

 

[bdplaid]

I've heard this but haven't tried it yet. I've also heard that at very loud volumes, these mats don't do the trick. I'll try and see.

I used to have cabinets that literally vibrated the head off the cab. You could see it shudder just like the old vibrating football games.

 

[groovaholic]

I’m a fan of using a bungee cord to increase the downward pressure of the amp head on the cabinet.

In conjunction with bar mat, you could really get the amp stuck in place.

 

[logdrum]

Mesa and Metal/Doom have a long standing relationship. Good choice

 

[WRM]

I might consider replacing the diesel with one of these:

Mesa Boogie Powerhouse 412 Bass Cabinet Mesa Boogie Powerhouse 412 Bass Cabinet | Reverb

Yeah, as I mentioned, I didn't choose the LFs, the previous owner installed them. I didn't even know they were LFs until I opened it up to see which Kappas he'd installed. If it were up to me, I'd probably go with KappaLites, and may replace these with those eventually.

Four(4) X MB SW 212s, stacked vertically 2 X 2, and another MB SW D800 to do the slave/master thing.

Put the Amps on the floor.

 

[2thAche]

My ears ring just looking at that. How many guitars and what do they play through? Hope you have plugs or something

 

[nousersleft]

My ears ring just looking at that. How many guitars and what do they play through? Hope you have plugs or something

Always, and even before I had this rig.

 

[bertthebassist]

If deep is what you are after, see if you can find a Mesa M6 or M9 head. Serious heft.
The old Bergantino NV215s are also a good cabinet choice for deep bass.

 

[agedhorse]

If deep is what you are after, see if you can find a Mesa M6 or M9 head. Serious heft.
The old Bergantino NV215s are also a good cabinet choice for deep bass.

I would not recommend the M6 or M9 at less than 4 ohms, certainly not at the levels it appears the OP is looking for.

 

[Erik Stokley]

if you still have the ampeg try running it into the 18s , and the subway going to the 215 and eq both heads differently. and for experiments sake the subway into the 18s and ampeg into the 215. I play doom/sludge tuned to A and I've found over time that multiple heads at lower volumes in a stereo type setup create a bigger more dynamic sound, as opposed to running multiple cabs off a single head. you may also try splitting up each stack to both sides of the room so they're not competing against one another.

 

[bdplaid]

I can't begin to say how deep two SW 115s together go. It's like a subwoofer. 4 of them have to be an enema of some sort.

You know, depending on the 18s, they may not give you the depth that you think. My experience has been that 18s designed for bass had a lot of mids. For low end, you need an 18 designed for subwoofer.

 

[bdplaid]

Oh, and I concur that the svt 4 pro is a mess.

 

[grocker]

Use these! they grip as well, and isolate, this way no damaged amp parts from vibration, been using these for 17yrs..https://www.amazon.com/Pack-Anti-Vibration-Rubber-isolation/dp/B002IA0WPI

 

[BAG]

What did you say???

You must be very loud.

 

[swink]

The biggest issue I have had so far is keeping this tiny head stationary when playing at high volumes. I'm currently using velcro on the feet, but the adhesive isn't wanting to stay put. Thinking of other solutions now.

I see you have a flat surface so I'dd suggest Suction cup feet.

A simple non-slip bar mat or tool box liner works well for a lot of players using lightweight heads.

In my opinion, they disposed Rat Fur too quickly. For cabinets, I think it would be helpful to provide it in strategic places on the top.
(All my small parts that I lose easily like tuner, metronome, toolbox are velcro-ed so I can stick them to my Rat fur cabs).

 

[baxter_x]

I would not recommend the M6 or M9 at less than 4 ohms, certainly not at the levels it appears the OP is looking for.

Why so? isn't it 2 ohms capable?

Oh, and I concur that the svt 4 pro is a mess.

Not a mess, but a complicated amp I would say.

 

[Spector2112]

I bolted my D800 on a shelf in a 4 space rack with a Furman power conditioner. You might want to consider something similar.

And you could light up the rack like the cabs are.