About this app
Audio Transformer Calculator Professional 3-in-1 Transformer Design Tool for Tube Audio and Electronics Audio Transformer Calculator makes transformer design fast, accurate, and easy. Whether you're building a guitar amplifier, hi-fi tube amplifier, studio recording equipment, or a custom electronics project, this application helps you calculate proven transformer designs in seconds. Designed for both beginners and experienced transformer winders, the app combines powerful engineering calculations with an intuitive workflow that removes the guesswork from transformer design. THREE POWERFUL CALCULATORS IN ONE APP Power Transformer Calculator * Tube amplifier power supplies * Audio equipment * DIY electronics projects * Laboratory equipment * Custom power supplies Single-Ended (SE) Output Transformer Calculator * Guitar tube amplifiers * Hi-Fi amplifiers * Studio equipment * Custom audio projects * Ultra-Linear (UL) output transformers Push-Pull (PP) Output Transformer Calculator * Accurate push-pull output transformer calculations * Optimized core selection * Ultra-Linear (UL) transformer support SMART CORE AND BOBBIN WIZARD The built-in Core and Bobbin Wizard automatically finds the optimum core and bobbin size for your design. * Selects the ideal core size * Determines optimum bobbin dimensions * Calculates winding window utilization * Ensures windings and wire sizes fit correctly * Helps prevent costly design mistakes ADVANCED WINDING FEATURES * Tapped and continuous windings * Bias taps for power transformers * Universal speaker taps for SE and PP output transformers * Ultra-Linear (UL) taps for audio output transformers * Multi-secondary configurations METRIC AND IMPERIAL SUPPORT * Metric dimensions and wire sizes * Imperial dimensions and AWG wire sizes DETAILED DESIGN DATA * Core selection * Bobbin selection * Number of turns * Wire sizes * Layer calculations * Current ratings * Winding resistance estimates * Winding window utilization PERFECT FOR * Guitar amplifier builders * Hi-Fi enthusiasts * Audio engineers * Transformer winders * DIY electronics hobbyists * Tube amplifier restorers * Studio equipment designers * Students and educators WHY AUDIO TRANSFORMER CALCULATOR? * Three calculators in one application * Power Transformer Calculator * Single-Ended (SE) Output Transformer Calculator * Push-Pull (PP) Output Transformer Calculator * Ultra-Linear (UL) transformer support * Smart Core and Bobbin Wizard * Automatically verifies that windings fit the bobbin window * Supports tapped and continuous windings * Metric and Imperial units * Professional-grade calculations * Proven real-world transformer design methods * Suitable for beginners and professionals alike Whether you are winding your first transformer or designing professional audio equipment, Audio Transformer Calculator provides the tools you need to create accurate, reliable transformer designs with confidence. Design better transformers. Save time. Avoid costly mistakes.
Latest release
What’s New
Fixed the text that was not visible if phone was set to Dark mode.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 11:26 PM $11.99
Screenshots
