Troubleshooting and Optimizing Your Cerwin-Vega AT-40 Speakers
Do not throw away or replace the original woofers with aftermarket brands. Replacing the original cast-frame driver ruins the speaker's unique parameters and resale value. Instead, purchase a 10-inch Cerwin-Vega re-foam kit (specifically looking for the iconic red/orange color). cerwin vega at40 specs fix
Reconing or Re-foaming . You will need a re-foam kit specifically designed for the Cerwin-Vega 12-inch woofer. cerwin vega at40 specs fix
Unscrew the woofer from the cabinet and gently pull it out. Disconnect the speaker wires, noting which wire is positive (+) and negative (-). cerwin vega at40 specs fix