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Lightweight Amp Problems

#44
Bar mat from Amazon. Works perfectly.
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#49
If there are enough vibrations from the cab to move the amp around, the last thing I'd would be happy to do is clamp the amp to the cab.

IMO that much movement would seem to indicate that the cab isn't built rigid enough.

Since my Mesa 400+ days (they had something like 16 tubes in those amps!) I always isolate my amps from my cabs with vibration resistant foam.
 
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#51
From back when I owned a recording studio I had an enormous stash of 1/8" thick 1lb/sq.ft limp mass vinyl sound barrier bonded to 1/4" thick acoustic foam; it was designed to go between the floor and the carpet, to reduce noise transmission to the room below while decoupling the carpet from the floor. When I moved out of that space I carved a couple of 12" by 18" chunks out of the material to use underneath my monitors...but those small chunks are also perfect for isolating a lightweight amp head from cabinet vibrations.

Overkill, but perfect.

Since I doubt you can buy that material in anything smaller than 4'x30' rolls it's probably impractical if you don't already own some. Absent that, I like the kitchen shelf liner solution.
 
#53
agedhorse said:
Now THAT'S some old school ;)
Click to expand...

‘Just a quick question. Would it make sense to replace the feet on the amp to one with a softer material and or larger surface area? On some cabs, I’ve seen a large thinrectangle

OR, I play a small Genz Benz at a rehearsal hall that the head has a clamp of some sort like we talked about a while back. Somehow, bungee cords, pads, tie down straps while effective, detracts from a professional appearance.
 
#54
Hello again... Thanks for all the colorful replies :) To be more specific, I use a Genz Benz ShuttleMax 9.2 amp on top of 2 Baer ML-112 cabs. Those of you who are unfamiliar with these cabinets, they have a handle that protrudes from the top of the cab...and the handle prevents the feet on the bottom of the amplifier from making contact with the top of the cabinet. I have played around in the past with positioning them in a way where the bottom cabinet lays vertically and the top cabinet lays horizontally to do away with the handle challenges but still, I only 7 pounds or so that little amplifier tends to move more than I like. I have used a rolled up black towel in the past and it appears that I will do so again.

Thanks for all your help.
 
#56
CTC564 said:
Hello again... Thanks for all the colorful replies :) To be more specific, I use a Genz Benz ShuttleMax 9.2 amp on top of 2 Baer ML-112 cabs. Those of you who are unfamiliar with these cabinets, they have a handle that protrudes from the top of the cab...and the handle prevents the feet on the bottom of the amplifier from making contact with the top of the cabinet. I have played around in the past with positioning them in a way where the bottom cabinet lays vertically and the top cabinet lays horizontally to do away with the handle challenges but still, I only 7 pounds or so that little amplifier tends to move more than I like. I have used a rolled up black towel in the past and it appears that I will do so again.

Thanks for all your help.
Click to expand...
I believe I still have the saddle mounting system in stock for the ShuttleMax amps. That would be the best way to professionally mount the amp to one of the cabinets, keeping the amp removable with a couple of thumb screws. PM me for information.

Otherwise you can use the rubber shelf liner or toolbox liner.
 
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#57
Posey Grip: Can be purchased in rolls as shelf liners, place mats, etc. The Posey brand is intended for healthcare applications. We stick it on top of wheelchair seat upholstery to keep the occupant from sliding out. I had suggested Velcro pajamas and matching / mated upholstery but was reminded that this bordered on elder-abuse.

PoseyGrip.jpg


Riis
 
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#59
agedhorse said:
Not an issue with amps that are fan cooled and do not have vents on the bottom surface. (for example, Subway, Shuttle, Streamliner, ShuttleMax, NeoPak)
Click to expand...
I always thought that the feet raising the amp up a bit offered room for the outer case itself to perhaps act like a heat sink in an overall thermal management approach. I fully recognize that it's likely minimal, heat rises, and it would be totally passive from an external perspective. So can I safely infer from your answer that the active thermal management would simply kick-on slightly sooner and the head would be fine? You know me, always curious...
 
#60
Vents on the bottom, if present, are presumable necessary for the cooling for the amp and should remain unobstructed.
 

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