Thanks for the answers.
Diy guitar amp floor isolation.
A couple of concrete paving slabs with some layers of closed cell foam rubber like a camping bedroll works well for large vibrating transformers or motors and stuff.
A few things to keep in mind when building your guitar iso cab.
Mike ralph wrote the following.
You should probably use some heavier wooden construction around it a.
As a diy musician who plays trash blues i could give a rat s heiney about the fine minutiae of frequencies and tube bias.
Beware this is the opposite of almost every other guitar world guitar amp review.
I like to plug a guitar into anything shove a slide on my finger and write songs.
What about a combination eg an amp frame where floor contact is minimal and where eg a 1 2 thick rubber mat or even a piece of rubber backed carpet underneath the feet will absorb any remaining vibration.
The method outlined here works for separate amp head isolation cabinets.
The actual tubes and or amp head need air or you could be dealing with an actual fire.
Mike ralph s diy speaker cabinet isolation box fits a 2x12 cab.
Such stands will typically also allow you to adjust the amp height and angle great for gigging too.
Diy guitar amp isolation platform.
What you really need is an isolation box to keep the level from waking up the baby next door.
The layering technique that s described definitely works but i d replace the acoustic foam with some rockwool or owens corning 703.
Here s a pretty good video on how to make a guitar amp isolation box with some caveats.
I m using a 26 inch kick drum case and some car insulation to build a isolation cabinet.
Bill i understand about the 4x12 s but it s is used as 2 2x12 s one side for guitar the other for a guitar synth with a separate amp not used at the same time of course either way the other guitar player uses a 2x12 avatar and getting the issue also of course it would be much easier to get his off the ground.