Hola Tollesont. The most important is the quality of the bass, not the quantity. I am also a CLX user. The Depth I and the Descent I, are great subs to match with. You can buy a kit for the subs from your dealer. The kit was designed for the CLXs. It is a user installation, and very easy to do, or you can order it with it. I do not know if the new subs models come with this kit built in. The kit consists in a proper crossover point. The bass coming from the subs should be perceived, not hear it. If you are hearing the subs, bring down the volume level until you get the deepness of the bass notes. This, opens up the stage and makes steady image with the right size of the instruments, giving tons of air too.
Here is what Martin Logan says about the kit:
Custom CLX / Subwoofer Filter
Seamless blending between a subwoofer and full-range loudspeaker is, at the best of times, challenging—and when you're dealing with a no-holds-barred reference level product such as the CLX there is no room for error. The addition of an optional custom 'CLX filter' to the Descent i and Depth i subwoofers takes the headache out of achieving superb low-frequency performance.
The optional Descent i/Depth i CLX filter board contains an optimized low pass filter that precisely matches the 56Hz low-frequency roll off of the CLX. Once this custom board is installed inside of your subwoofer, setup is only a matter of adjusting the phase and level of your sub.
This custom filter is applied only to the left and right inputs of your subwoofer. The sub's LFE input remains unfiltered, which allows surround preamp/processors to send low-frequency information for the center, surround, and LFE channels without compromising the performance of your CLX.
Happy listening
