@nonoise I should say that it's unclear what change adding under my equipment did.
I installed everything at once, noticed the change in speaker balance created by loss of bass response, moved the springs up under my head units, and then enjoyed the best sound I've had in my system.
I trust the science behind what I'm hearing on the speaker end and do believe that they're helping under my equipment. I'll be leaving them in place, but don't feel motivated to do an A & B. It sounds great as is...
I installed everything at once, noticed the change in speaker balance created by loss of bass response, moved the springs up under my head units, and then enjoyed the best sound I've had in my system.
I trust the science behind what I'm hearing on the speaker end and do believe that they're helping under my equipment. I'll be leaving them in place, but don't feel motivated to do an A & B. It sounds great as is...