: After 30+ years, the electrolytic capacitors in the crossover dry out, leading to dull high frequencies or "muffled" sound.
: While the drivers are robust, the cabinets are often noted as being basic chipboard/MDF that can benefit from added internal bracing or insulation to reduce resonance Specifications ( Cerwin-Vega AT-40 (sometimes referred to as the cerwin vega at40 specs fix