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Diaphragm Material: PEI
Efficiency: 75% @ 4 Ohm
With a massive double stack magnet and reinforced cone structure
Its variable full-range crossover filters allow precise sound tuning
Apex High Output Alternator - 425 Amp (Large Case) amplifier Diaphragm Material: PEIHigh Output Alternators: Important Installation Guidelines Before installing your new high amperage alternator, please review these essential requirements to ensure maximum performance and avoid voltage drops: Battery & Wiring: Running a high output alternator with a stock battery can cause voltage drops. You must ensure you have a strong battery, proper wiring, and a solid ground connection. The "Big 3" Upgrade: Although not strictly required, we