Ardakilic · November 25, 2024 23:44
diff --git a/headphones.com power calculator.html b/headphones.com power calculator.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Headphone Power Calculator</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 20px;
      background-color: #f4f4f4;
    }
    .container {
      max-width: 600px;
      margin: 0 auto;
      padding: 20px;
      background-color: white;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
    h1 {
      text-align: center;
    }
    label {
      display: block;
      margin: 10px 0 5px;
    }
    input, select {
      width: 100%;
      padding: 8px;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      border-radius: 4px;
    }
    .results {
      margin-top: 20px;
    }
    .result-item {
      margin-bottom: 10px;
    }
  </style>
 </head>
 <body>
  <div class="container">
    <h1>Headphone Power Calculator</h1>
    <label for="sensitivity">Sensitivity</label>
    <input type="number" id="sensitivity" placeholder="Enter sensitivity (dB)" required>
    <label for="impedance">Impedance (Ohms)</label>
    <input type="number" id="impedance" placeholder="Enter impedance (Ohms)" required>
    <label for="loudness">Loudness (dB)</label>
    <input type="number" id="loudness" placeholder="Enter desired loudness (dB)" required>
    <label for="sensitivity-unit">Sensitivity Unit</label>
    <select id="sensitivity-unit">
      <option value="mw" selected>dB/mW</option>
      <option value="volts">dB/1V</option>
    </select>
    <div class="results">
      <div class="result-item"><strong>Required Power (W):</strong> <span id="required-power">-</span></div>
      <div class="result-item"><strong>Required Current (A):</strong> <span id="required-current">-</span></div>
      <div class="result-item"><strong>Required Voltage (V):</strong> <span id="required-voltage">-</span></div>
      <div class="result-item"><strong>Equivalent Sensitivity:</strong> <span id="equivalent">-</span></div>
    </div>
  </div>

  <script>
    class HeadphoneCalculator {
      constructor() {
        // DOM elements
        this.sensitivityInput = document.getElementById("sensitivity");
        this.impedanceInput = document.getElementById("impedance");
        this.loudnessInput = document.getElementById("loudness");
        this.sensitivityUnit = document.getElementById("sensitivity-unit");
        this.requiredPower = document.getElementById("required-power");
        this.requiredCurrent = document.getElementById("required-current");
        this.requiredVoltage = document.getElementById("required-voltage");
        this.equivalent = document.getElementById("equivalent");

        // Event listeners
        this.sensitivityInput.addEventListener("input", () => this.calculate());
        this.impedanceInput.addEventListener("input", () => this.calculate());
        this.loudnessInput.addEventListener("input", () => this.calculate());
        this.sensitivityUnit.addEventListener("change", () => this.calculate());
      }

      calculate() {
        const sensitivity = parseFloat(this.sensitivityInput.value);
        const impedance = parseFloat(this.impedanceInput.value);
        const loudness = parseFloat(this.loudnessInput.value);

        if (isNaN(sensitivity) || isNaN(impedance) || isNaN(loudness)) {
          this.clearResults();
          return;
        }

        let results;

        if (this.sensitivityUnit.value === "volts") {
          results = this.calculateVolts(sensitivity, impedance, loudness);
        } else {
          results = this.calculateMW(sensitivity, impedance, loudness);
        }

        this.displayResults(results);
      }

      calculateMW(sensitivity, impedance, loudness) {
        const requiredPower = Math.pow(10, (loudness - sensitivity) / 10) / 1000;
        const requiredCurrent = Math.sqrt(requiredPower / impedance);
        const requiredVoltage = requiredCurrent * impedance;
        const equivalent = sensitivity - 10 * Math.log10(impedance / 1000);

        return { requiredPower, requiredCurrent, requiredVoltage, equivalent };
      }

      calculateVolts(sensitivity, impedance, loudness) {
        const equivalent = sensitivity + 10 * Math.log10(impedance / 1000);
        const requiredPower = Math.pow(10, (loudness - equivalent) / 10) / 1000;
        const requiredCurrent = Math.sqrt(requiredPower / impedance);
        const requiredVoltage = requiredCurrent * impedance;

        return { requiredPower, requiredCurrent, requiredVoltage, equivalent };
      }

      displayResults({ requiredPower, requiredCurrent, requiredVoltage, equivalent }) {
        this.requiredPower.textContent = requiredPower.toFixed(4);
        this.requiredCurrent.textContent = requiredCurrent.toFixed(4);
        this.requiredVoltage.textContent = requiredVoltage.toFixed(4);
        this.equivalent.textContent = equivalent.toFixed(4);
      }

      clearResults() {
        this.requiredPower.textContent = "-";
        this.requiredCurrent.textContent = "-";
        this.requiredVoltage.textContent = "-";
        this.equivalent.textContent = "-";
      }
    }

    // Initialize the calculator
    document.addEventListener("DOMContentLoaded", () => {
      new HeadphoneCalculator();
    });
  </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Headphone Power Calculator</title>
	<style>
	body {
	font-family: Arial, sans-serif;
	margin: 0;
	padding: 20px;
	background-color: #f4f4f4;
	}
	.container {
	max-width: 600px;
	margin: 0 auto;
	padding: 20px;
	background-color: white;
	border-radius: 8px;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
	}
	h1 {
	text-align: center;
	}
	label {
	display: block;
	margin: 10px 0 5px;
	}
	input, select {
	width: 100%;
	padding: 8px;
	margin-bottom: 20px;
	border: 1px solid #ccc;
	border-radius: 4px;
	}
	.results {
	margin-top: 20px;
	}
	.result-item {
	margin-bottom: 10px;
	}
	</style>
	</head>
	<body>
	<div class="container">
	<h1>Headphone Power Calculator</h1>
	<label for="sensitivity">Sensitivity</label>
	<input type="number" id="sensitivity" placeholder="Enter sensitivity (dB)" required>
	<label for="impedance">Impedance (Ohms)</label>
	<input type="number" id="impedance" placeholder="Enter impedance (Ohms)" required>
	<label for="loudness">Loudness (dB)</label>
	<input type="number" id="loudness" placeholder="Enter desired loudness (dB)" required>
	<label for="sensitivity-unit">Sensitivity Unit</label>
	<select id="sensitivity-unit">
	<option value="mw" selected>dB/mW</option>
	<option value="volts">dB/1V</option>
	</select>
	<div class="results">
	<div class="result-item"><strong>Required Power (W):</strong> <span id="required-power">-</span></div>
	<div class="result-item"><strong>Required Current (A):</strong> <span id="required-current">-</span></div>
	<div class="result-item"><strong>Required Voltage (V):</strong> <span id="required-voltage">-</span></div>
	<div class="result-item"><strong>Equivalent Sensitivity:</strong> <span id="equivalent">-</span></div>
	</div>
	</div>

	<script>
	class HeadphoneCalculator {
	constructor() {
	// DOM elements
	this.sensitivityInput = document.getElementById("sensitivity");
	this.impedanceInput = document.getElementById("impedance");
	this.loudnessInput = document.getElementById("loudness");
	this.sensitivityUnit = document.getElementById("sensitivity-unit");
	this.requiredPower = document.getElementById("required-power");
	this.requiredCurrent = document.getElementById("required-current");
	this.requiredVoltage = document.getElementById("required-voltage");
	this.equivalent = document.getElementById("equivalent");

	// Event listeners
	this.sensitivityInput.addEventListener("input", () => this.calculate());
	this.impedanceInput.addEventListener("input", () => this.calculate());
	this.loudnessInput.addEventListener("input", () => this.calculate());
	this.sensitivityUnit.addEventListener("change", () => this.calculate());
	}

	calculate() {
	const sensitivity = parseFloat(this.sensitivityInput.value);
	const impedance = parseFloat(this.impedanceInput.value);
	const loudness = parseFloat(this.loudnessInput.value);

	if (isNaN(sensitivity) \|\| isNaN(impedance) \|\| isNaN(loudness)) {
	this.clearResults();
	return;
	}

	let results;

	if (this.sensitivityUnit.value === "volts") {
	results = this.calculateVolts(sensitivity, impedance, loudness);
	} else {
	results = this.calculateMW(sensitivity, impedance, loudness);
	}

	this.displayResults(results);
	}

	calculateMW(sensitivity, impedance, loudness) {
	const requiredPower = Math.pow(10, (loudness - sensitivity) / 10) / 1000;
	const requiredCurrent = Math.sqrt(requiredPower / impedance);
	const requiredVoltage = requiredCurrent * impedance;
	const equivalent = sensitivity - 10 * Math.log10(impedance / 1000);

	return { requiredPower, requiredCurrent, requiredVoltage, equivalent };
	}

	calculateVolts(sensitivity, impedance, loudness) {
	const equivalent = sensitivity + 10 * Math.log10(impedance / 1000);
	const requiredPower = Math.pow(10, (loudness - equivalent) / 10) / 1000;
	const requiredCurrent = Math.sqrt(requiredPower / impedance);
	const requiredVoltage = requiredCurrent * impedance;

	return { requiredPower, requiredCurrent, requiredVoltage, equivalent };
	}

	displayResults({ requiredPower, requiredCurrent, requiredVoltage, equivalent }) {
	this.requiredPower.textContent = requiredPower.toFixed(4);
	this.requiredCurrent.textContent = requiredCurrent.toFixed(4);
	this.requiredVoltage.textContent = requiredVoltage.toFixed(4);
	this.equivalent.textContent = equivalent.toFixed(4);
	}

	clearResults() {
	this.requiredPower.textContent = "-";
	this.requiredCurrent.textContent = "-";
	this.requiredVoltage.textContent = "-";
	this.equivalent.textContent = "-";
	}
	}

	// Initialize the calculator
	document.addEventListener("DOMContentLoaded", () => {
	new HeadphoneCalculator();
	});
	</script>
	</body>
	</html>