1. What is Headphone Amplifier Power?

The Headphone Amplifier Power calculation determines the power output required to drive headphones properly based on voltage, impedance, and efficiency factors.

2. How Does the Calculator Work?

The calculator uses the power equation:

Where:

• \( Voltage \) — Output voltage of the amplifier (volts)
• \( Impedance \) — Headphone impedance (ohms)
• \( Efficiency \) — Amplifier efficiency (decimal between 0 and 1)

Explanation: The equation calculates the actual power delivered to the headphones, accounting for the amplifier's efficiency.

3. Importance of Power Calculation

Details: Proper power calculation ensures your amplifier can drive your headphones to desired volume levels without distortion or damage.

4. Using the Calculator

Tips: Enter voltage in volts, impedance in ohms, and efficiency as a decimal (e.g., 0.85 for 85% efficiency). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical voltage for headphone amps?
A: Most consumer headphone amps output between 0.1-2V, while high-power amps can go up to 10V or more.

Q2: How does impedance affect power requirements?
A: Higher impedance headphones require more voltage to achieve the same power output as low impedance headphones.

Q3: What is amplifier efficiency?
A: Efficiency represents how much of the amplifier's power is actually delivered to the headphones versus lost as heat.

Q4: Why is power matching important?
A: Proper power matching ensures optimal sound quality and prevents under-powering (distortion) or over-powering (damage).

Q5: Can I use this for speaker amplifiers?
A: The same basic principle applies, but speaker calculations often need to account for additional factors like damping factor.