The 96dB sensitivity means you can drive these to painful volumes with a 20-watt tube amp. The 32Hz low-end spec is optimistic (real-world is closer to 40Hz), but the tactile impact is real thanks to the mass-loaded cone and foam surround.
Owning these today almost always involves two specific "fixes" to restore performance: Go to product viewer dialog for this item. cerwin vega at40 specs fix
If you lack the tools, here is your parts sourcing guide. The 96dB sensitivity means you can drive these
Unscrew the 8 screws on the baffle. Gently lift the woofer. Desolder the positive (red) and negative (black) leads from the woofer terminals. Remove the old foam gasket tape on the baffle. If you lack the tools, here is your parts sourcing guide
You need a 10-inch Cerwin Vega Refoam Kit . These are widely available from retailers like Simply Speakers or Midwest Speaker Supply. The Process: