Narrod has the real solution, but this has already been discussed in an earlier thread of Cooch's.
I'd suggest trying the Zeroformers since they are available with a trial period. They should tighten up the bass. However, raising the impedance can also lead to a dry sound. Something to listen for...
I'd suggest trying the Zeroformers since they are available with a trial period. They should tighten up the bass. However, raising the impedance can also lead to a dry sound. Something to listen for...

