MDL PPTA Series Pure Aluminum Foil Capacitors

Pure aluminum foil  capacitors provide high-quality sound performance for both crossover networks and loudspeakers, ensuring accurate signal separation and refined audio reproduction for superior sound quality in various audio applications. These Capacitors are Made using Pure Foil instead of vapor deposited Metallized PP film . A seperate PP Film is used as a dielectric . These capacitors are specifically Recommended for the HF and Midrange Sections on the Speaker Crossover Network. These capacitors offer outstanding audio reproduction capabilities, accurately transmitting audio signals and delivering high-quality, refined, and realistic sound effects from the loudspeakers.

Specifications:
(1) Material ： Pure aluminum foil and polypropylene film capacitors
(2) Voltage rating ：100VDC，250VDC，400VDC，630VDC
(3) Capacitance tolerance ： ±5% (J) at 1K HZ
(4) Dissipation factor ： MAX 0.1% at 1K Hz 25℃
(5) Temperature range ： - 40℃ ～ +85℃
(6) Terminal leads are made from copper

            Advantages for Crossover Networks:

• High-frequency characteristics: Pure aluminum foil  capacitors exhibit excellent high-frequency properties, ensuring accurate separation of different frequency signals within the crossover network.
• Low impedance: These capacitors have low impedance characteristics, allowing efficient transmission of high-frequency signals and reducing impedance-related effects, thus ensuring stable high-frequency output from the crossover network.
• Excellent heat resistance: Pure aluminum foil capacitors perform exceptionally well in high-temperature environments, maintaining their performance and stability under various operating conditions.
• Precise crossover: Due to high-quality manufacturing and stable properties, these capacitors provide precise crossover points, ensuring accurate separation of signals at different frequencies.
  Advantages for Loudspeakers:
• High-quality audio reproduction: These capacitors offer outstanding audio reproduction capabilities, accurately transmitting audio signals and delivering high-quality, refined, and realistic sound effects from the loudspeakers.
• Low distortion: With low distortion characteristics, these capacitors effectively reduce signal distortion in the audio frequency range, resulting in cleaner, undistorted sound output from the loudspeakers.
• Low ESR (Equivalent Series Resistance): Pure aluminum foil capacitors tend to have low ESR, which means they have very little resistance to the flow of alternating current. This low ESR can result in improved performance and reduced power loss in audio circuits.
• High capacitance stability: The use of high-purity aluminum foils can lead to capacitors with excellent capacitance stability over time and temperature variations. This stability is desirable in audio applications to maintain consistent performance.
• Low dielectric absorption: Dielectric absorption is a phenomenon where the capacitor retains some charge after being discharged. Pure aluminum foil capacitors typically exhibit low dielectric absorption, reducing the potential for distortion and improving signal fidelity.
• Low self-inductance: These capacitors are designed to have low self-inductance, which is crucial for high-frequency applications and can help maintain signal integrity in audio circuits.