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Discussion in 'Amp Central Station' started by Hoodster, Aug 11, 2019.
It doesn't hurt to sacrifice a chicken at midnight at the crossroads.
1x10 combo amp on a milk crate, to be able to adjust tone and volume and 1x12 cab on chair, sitting on a rubber chair mat. The front of the cab is angled up, with a piece of 1"x2", towards the head.
A wooden pallet could be used as a stage by adding wood feet or brick/cement blocks for elevation.
Using a razor blade on the speaker cone?
I use milk crates with high density foam on top.
I haven't tried one, but I would guess that the answer is "it depends". If you need something different from an amp then yes ....maybe. But what if you prefer your amp coupled ? I have tried stands and boxes etc, by far I like the tone of my workhorse amps coupled to the stage. But there could be amps where that is not good too!
Listening to the demo I prefer without it personally. I like the big bottom. With it... it becomes a bit flat response and woody. But hey, maybe someone likes that and that's all right too!
Casters? I mean, if decoupling is the main goal. As opposed to raising for projection. Seems as cheap an option as anything else.
Here's what I like to use. Mostly removes floor contact, angles amp toward ears, costs $2. Or nothing, if you can cut wood on an angle.
Decoupling an amp from a surface is definitely a better way to evaluate the frequency response of an amp. The bass will tighten up regardless of the surface. Obviously concrete sucks up less energy than a wood floor, but these type of decoupling devices have been around studios for years. Way before Auralex made them. If your amp is on a wood framed floor, the floor becomes part of the reflected sound. It sympathetic resonates like the shell of a drum. Sometimes this is a good thing, however, if you are evaluating what a change to a circuit might do, then best to take that amp off of the floor.
The casters are attached to the amp. It only focus the point of resonance to where those casters sit. It will have less impact on the amp's performance than the whole bottom of the amp being on the floor, but the amp is coupled to the floor unless someone has come up with decoupled floating casters. The main difference is that the platform isn't directly attached to the amp or the floor, hence it is less susceptible to smearing of bass frequencies. I am not religious about using platforms and stands, but after spending a couple of decades with microphones close to guitar cabs, the difference is noticeable. Then again I have a sand filled floor where I used to track amps. The floor was built on top of a concrete slab with rubber holders at every 18 inches of the floor joists. That floor doesn't resonate or vibrate.
The basic concept is that an amp loses less energy if it is off of the floor. The proverbial YMMV is attached. Who knows, you might be using a thin sounding amp that will be helped by the extra bass response being on a rickety drum riser.
Might be as good...or better...for isolating the reverb tank from rickety stages.
The same principle applies to home stereo speakers.
I simply unplug my guitar from the amp. Sounds a whole lot better.
I built 5 of these table . There are two more amps in another room and another subwoofer in the bedroom. I'm sure the lady under me likes it
I keep our smaller amps on old stereo speaker stands. The larger ones are on wheels.
She wouldn't be in your bedroom if she didn't.
My flightcase base doubles as a stand and has a high density foam bottom under the amp. So that is a neat combination as it has big rubber wheeled casters too. I usually leave the amp in the flightcase bottom.
Can’t say I’ve heard any difference between that and the amp just sitting on its four rubber feet direct on the stage or risers though.
yeah - a simple sheet of closed cell foam?
Anytime I've put my amp (SFDR) on a stage stand, regardless of venue, the bottom goes, and it just sounds worse. So I try not to do that.
Not to highjack the thread, but how do you like that Peavey cabinet? I’ve been thinking about picking one of those up for my Classic 50 head.
I really like it. There is a Celestion V30 inside. I run it with a H&K Tubemiester 36 so it really has a nice full sound. I wouldn't hesitate to buy another one
The rear panel is removable so I use it in an open back configuration
Now, that's just the thin end of the wedge.