Zaph|Audio Archive - Complete Site Map

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Main Speaker Designs | Bookshelf Speakers | MTM Designs | Project Archives | Technical Resources | Testing & Evaluation

Featured Speaker Designs

Two-Way Bookshelf Speakers

MTM (Midwoofer-Tweeter-Midwoofer) Designs

Three-Way & Multi-Driver Designs

  • ZDT3.5 - 3-way compact design
  • ZDT3 - Earlier 3-way version
  • ZD5 - 5-driver array design
  • ZRT - Tower speaker with multiple configurations

Specialized Designs

Major Project Archives

DLR Speaker Design

Other Major Projects

Complete Speaker Design Index

Audio-Speaker Series

ZD Series Designs

ZRT & Tower Designs

Budget & DIY

Technical Resources & Articles

Driver Testing & Development

Driver Test Pages

Historical Archives

Contact & Additional Resources


About This Archive

This comprehensive archive preserves the complete speaker design work of John Krutke (Zaph Audio). All original content, measurements, technical documentation, and design files are maintained indefinitely by Madisound Speaker Store to ensure these valuable DIY speaker resources remain available to the audio community.

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Total Designs Archived: 90+ speaker projects | 1000+ technical documents | Preserved since 2025

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