DAYTON AUDIO AC-201-4 Awg Air Core Inductor Coil 848791003615 AC201-4 1.4MH

( Brand: Dayton Audio ), ( Manufacturer Part Number: AC-201-4 ), ( Compatible Brand: Universal ), ( Type: Voice Coil ), ( Country Of Origin: Taiwan ), ( UPC: 848791003615 )

Review DAYTON AUDIO Awg Air Core Inductor Coil Lot Of

The **Dayton Audio AC-201-4 (AC201-4) 1.4 mH, 20 AWG Air Core Inductor Coil** is a high-performance, precision-engineered component designed to deliver exceptional electrical performance in audio amplification and signal processing applications. Crafted with meticulous attention to detail, this air-core inductor coil is built to minimize energy loss and maximize efficiency, making it an ideal choice for audiophiles, DIY enthusiasts, and professional sound engineers seeking superior signal integrity. The coil features a robust **1.4 milliHenry (mH)** inductance rating, carefully calibrated to provide optimal impedance control in power supply filtering, RF chokes, and signal coupling circuits, ensuring clean and distortion-free power delivery to sensitive audio components. Constructed from **20-gauge (AWG) high-quality copper wire**, the coil offers an excellent balance of conductivity and mechanical strength, reducing resistive losses and maintaining signal fidelity across a wide frequency spectrum. Its **air-core design** eliminates the magnetic saturation and parasitic capacitance issues commonly associated with ferrite or powdered iron cores, resulting in a broader bandwidth and more accurate frequency response. The coil s compact yet sturdy construction allows for easy integration into amplifier circuits, power supplies, and other high-demand audio applications, where precision and reliability are paramount. Whether used in high-end tube amplifiers, solid-state power amps, or custom signal processing rigs, the AC-201-4 ensures minimal interference and maximum power transfer, contributing to a richer, more dynamic listening experience. Built to withstand rigorous use, this inductor coil is a testament to Dayton Audio s commitment to quality and performance, offering audiophiles a dependable solution for achieving the highest standards in audio reproduction.

### **Pros and Cons of buying a Dayton Audio AC-201-4 (1.4mH, 20 AWG Air Core Inductor Coil)**

1. **High-Quality Construction** Dayton Audio is a well-respected brand in audio and RF components, known for durable and reliable products. The AC-201-4 is designed for precision and stability in audio applications.

2. **Precision Inductance Value (1.4mH)** This specific inductance value is useful in various audio circuits, including power supply filtering, RF chokes, and signal coupling. The tight tolerance ensures predictable performance.

3. **Low DC Resistance (20 AWG Wire)** The 20 AWG wire provides a good balance between inductance and resistance, reducing energy loss in high-current applications while maintaining efficiency.

4. **Air Core Design** Unlike ferrite or powdered iron cores, air cores offer minimal saturation, making them ideal for high-frequency or high-power applications where core saturation could distort signals.

5. **Versatile Applications**

- **Audio Amplifier Power Supply Filtering** Helps smooth out voltage ripples from power supplies.

- **RF Choke in Audio Circuits** Blocks high-frequency noise while allowing low-frequency signals to pass.

- **Signal Coupling/Decoupling** Useful in transformerless power supplies or signal isolation.

- **DIY Audio Projects** Commonly used in tube amps, solid-state amps, and preamp circuits.

6. **Easy to Install** Comes pre-wound and ready for use, requiring minimal assembly beyond wiring into a circuit.

7. **Long Lifespan** Air core inductors generally have a longer operational life compared to ferrite-core inductors, which can degrade over time due to saturation and temperature effects.

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1. **Limited Current Handling** At 20 AWG, the coil has a relatively low current rating (typically around **1-2A RMS** depending on winding and cooling). Exceeding this can cause excessive heating and potential failure.

2. **No Magnetic Shielding** Air core inductors produce a weak magnetic field, which may not be ideal for sensitive audio applications where stray magnetic interference could be a concern (though this is rarely an issue in most DIY setups).

3. **Size Constraints** The **1.4mH** value is moderate, but for very high inductance needs (e.g., in some power supply designs), you might need multiple coils in series, increasing physical size and complexity.

4. **No Built-in Heat Sink** Unlike some ferrite-core inductors, this air core coil does not dissipate heat as efficiently. In high-current applications, additional cooling (e.g., mounting on a heat sink) may be required.

5. **Potential for Resonance Issues** Air core inductors can resonate with capacitors in circuits, leading to unwanted frequency responses if not properly accounted for in design.

6. **Cost Relative to Alternatives** While not expensive, air core inductors can be pricier than ferrite-core equivalents for similar inductance values, especially if you need multiple units.

7. **Soldering Sensitivity** Poor soldering connections can increase resistance and reduce efficiency. Requires careful handling to ensure reliable performance.

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The **Dayton Audio AC-201-4 (1.4mH, 20 AWG air core inductor)** is a **high-quality, versatile component** well-suited for **audio power supply filtering, RF chokes, and signal applications** where precision and low saturation are critical. Its **air core design** makes it ideal for **high-frequency or high-power audio circuits**, and its **reliable construction** ensures long-term performance.

However, its **limited current handling (1-2A RMS)** and **lack of magnetic shielding** may restrict its use in **high-current or magnetically sensitive applications**. Additionally, **proper circuit design** is necessary to avoid resonance issues when paired with capacitors.

- You need a **reliable, air core inductor** for **audio amplifier power supply filtering, RF chokes, or signal coupling**.

- Your application involves **low to moderate current (under 2A)** and requires **minimal core saturation**.

- You prefer a **well-known brand** with **consistent performance** in DIY audio projects.

- You need **higher current handling** (e.g., 5A ), in which case a **thicker gauge wire (18 AWG or lower)** or a **ferrite-core inductor** with a higher current rating may be better.

- Your circuit is **extremely sensitive to magnetic interference**, though this is rare in most audio applications.

- You require **extremely high inductance values** (e.g., >10mH), where multiple coils or a different core type may be necessary.

**Final Verdict:** For most **DIY audio enthusiasts, tube amp builders, or solid-state amplifier projects**, the **Dayton Audio AC-201-4 is an excellent choice** due to its **reliability, precision, and versatility**. If your project falls within its **intended current and frequency range**, it will perform well without issues. Always verify your circuit s **current and voltage requirements** before use to ensure optimal performance.

Details:

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part #: ac2014 prices

• $6.89-$28.95

specifications speakerpartgo:

• brand: Dayton Audio
• mpn: Ac-201-4
• compatible brand: Universal
• type: Voice Coil
• country of origin: Taiwan
• upc: 848791003615

general speakerpartgo:

• TV, Video Audio Parts > Speaker Parts Components > Other Speaker Parts Comp
• condition: New

offer speakerpartgo:

• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock
• started: April 17, 2026
• options: Ship-to-home

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• class: Standard
• carrier: USPS

seller speakerpartgo:

• city: Shawnee, Kansas
• # reviews: 10995
• rating: 99.7%

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