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Gallien-Krueger MBE410 Cab Is Here!

#121
Ha I know what you feel like! I ordered mine from MF last Thursday and it arrived in Cambridge MA today.........seemed like about 4 years.

The handle is under 1/4 inch thick and close to the front of the cabinet for balance. You can probably put a mini head behind it. My 1001RBII fits behind it with a couple of inches to spare. You can also put the cabinet on it's side. It is almost square and the corner protectors have feet built in all around.

I'm really liking this thing. The only weakness I see now is the grill is really light and flexible. It doesn't vibrate and it will probably protect everything, but if you push on it it will move about 1/4 inch.
 
#122
lol, well if anyone does crack the grill, Ataunton gave some mean directions to covering it up, which I'm debating doing anyway.

G Marcus can you do me a favour and measure the height of the cab? That would be hugely appreciated.

Reason is, I built a custom Gramma Pad at 25" wide, and I know the actual measurements vary slightly from the promo ones. Also, I'm using a Crown XLS1000, which is fairly large and would need some sort of feet to be able to sit on top of the cabinet... Which also, would actually be a good idea regardless.
 
#125
Those measurements are right on. The space between the handle and the back of the cab is 9" and mine weighs somewhere between 40 and 45 lbs on my horrible bathroom scale. I stood on the scale and then picked up the cabinet, but the scale measurements change when I lean one way or the other.

I put the cab in the van today. Its pretty easy with the one handle, but side handles would make it really easy. This thing must be really heavily braced. When I knock on the side it is obvious that the sides, top and bottom all have a brace running front to back. I read on TB that if you open these up it looks like 4 boxes that are all open in the center. I think there is also space built in for the Combo head because the back of the cab sounds really solid. I'm so tempted to open this thing up.

I got the 8 ohm version so, If I like it today at practice, I might sell my Schroeder 1515L and buy another one. That way I can leave one in the practice space and one at home and stack them for a mid sized rig of DOOM:bassist: at out door gigs
 
#126
ataunton said:
I just got mine and it appears to be HxWxD 23.5/23.5/16 give or take a half inch.

Now just trying to figure out how to block the ports on my 210. They are way to boomy.
Click to expand...

Hey ataunton If you block the vents make sure you can unblock them. Speakers that are designed for ported cabinets usually do not function well in a sealed cabinet. Ported cabinets require the driver to move less as the port handles a lot of the output near the cabinet tuning frequency. They might start fart out on you way before the 410. You might find that the 410 can get louder on its own.

Might be worth a try, let us know how it works out. You could also just line the cabinet with a foam mattress topper or quilt batting. There is a lot of debate about this on TB. The speaker gurus are all in agreement that this will clean up the mid range, not sure if it will tighten boomy bass.

On the other hand, if the 410 is too boomy, stuffing it with Accustistuff or fiberglass insulation will make the cabinet seem larger to the speakers and significantly tighten up the bass. You have to completely fill the cabinet for this effect with a sealed cabinet. It also cleans up the midrange. Not sure if it will actually sound "better" as a bass cabinet when it is stuffed. The guys at GK know there stuff and this is how they designed it.
 
#128
Why do you need other handles if "The guys at GK know there stuff and this is how they designed it"?

As far as "On the other hand, if the 410 is too boomy, stuffing it with Accustistuff or fiberglass insulation will make the cabinet seem larger to the speakers", the "seeming larger to the speakers" part was debunked quite awhile ago. As far as damping materials in a cab are concerned, the purpose is to keep reflective energy from causing so much cancellation in the speaker output at various midrange frequencies.
 
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#129
Good to hear about the measurements gmarcus, my gramma pad will be a perfect fit.

And I'm happy it's stackable with another one, when I saw "extension cab" on my bill I got a little worried. Does it have an output jack? If not, then I just have to figure out how I'd wire it in, which is not much an issue, but an output speakon would be awesome
 
#130
@gmarcus. I had already lined both of the 210's with damping material. It helped with some of the wierdness I was hearing, but not the boominess. I paired them up at practice the other night and was highly unsatisfied. While the guys at GK know there stuff, somethings got to give when a cab is this lite and inexpensive.

So far blocking the ports made them sound better to me. I won't really know if its changed them enough until I get them at rehearsal again. Out of the box I preffered the sound of the 410 to the unmodified 210's.

@Greenboy, I recently started reading up on building a 12/6 fEARful. Thanks for the all the information you have put out there.

@Matthew84 No speakon out. Just two inputs speakon and 1/4in.
 
#131
Greenboy: can you point me to an article that debunks the acoustic suspension stuffing effect? It's been decades since I designed any speakers. I'm sure a lot has changed and I'd like to catch up.

It was my understanding that the fiberous material results in a slower speed of sound compared to free space so the acoustic environment behaves like a larger air space. This dielectric effect is commonly used in microwave design to shrink components and focus energy in antennas.

Thanks!
 
#133
gmarcus said:
Ataunton: did you pair the two 210s together or a 210 and 410?

Mixing a sealed and ported cabinet is probably going to lead to some weird phasing issues down low.
Click to expand...

When I was at rehersal I was using the two 210's, but I do intend to use the 410 and a 210 together. At the moment both 210's are sealed so I will see how that works out. If it ends up being bad the mod is easily reversible.

My 210's are 8ohm and the 410 is 4ohm. From the research I did using this configuration should distribute the power evenly among all the speaker. i.e. instead of sending the same amount of power to the 210 and the 410.

Regarding the microwave illustration above are you a RF engineer?
 
#135
gmarcus,

To find out you can buy one of the later editions of The Loudspeaker Cookbook (Vance Dickanson recants his earlier position on the matter), or use google to read research articles complete with graphs - and even the local search engine here will reveal that the point has been discussed quite a few times.

Just in GK-related threads in the past few months alone, this particular piece of info about damping has probably been introduced more than once.
 
#138
I brought the (8 ohm) MBE 410 to practice last night. I powered it with a GK1001RBII with a VT bass pedal in front of it. My bass is a Fender P5 with TI jazz flats. It sounded awesome, deep round and rumbly. Everyone in my band loved the full meaty sound (my drummers words). I didn't need to turn it up much during practice, but I cranked it pretty good after practice to see what it could handle. It was painfully loud and the cab was just kind of yawning at me. :o
 
#139
gmarcus said:
I brought the (8 ohm) MBE 410 to practice last night. I powered it with a GK1001RBII with a VT bass pedal in front of it. My bass is a Fender P5 with TI jazz flats. It sounded awesome, deep round and rumbly. Everyone in my band loved the full meaty sound (my drummers words). I didn't need to turn it up much during practice, but I cranked it pretty good after practice to see what it could handle. It was painfully loud and the cab was just kind of yawning at me. :o
Click to expand...

:hyper:

I'm working near the music shop today and am checking my e-mail every 5 minutes... Nothing yet, lol
 
#140
i have a gk mb 210 and the 410mbe, running this with fuzz or really at any level high enough my left ear started to hurt. i wasnt sure what it was, but i stand with my left side facing my amps and my right side facing my computer speakers so i can hear them. apparently the cab/combo are so loud that they were what was making my ear hurt!!!

its super loud and when its broken-in it sounds really great.
 

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