HP-1 / HP-2 / HP-3 — October 1976
Original Japanese brochure for Yamaha’s HP-1, HP-2 and HP-3 orthodynamic headphones, preserved in Yamaha’s own historical archive. Includes Japanese pricing, specifications, diaphragm illustrations and a discussion of Mario Bellini’s design for the HP-1 and HP-2. The printed date is October 1976. This is Japanese-market material; these passive headphones have no mains-voltage rating. Open the original PDF at Yamaha using the source link below. It contains two scanned spreads. Scans are not hosted on 100volts.
- MANUFACTURER
- Yamaha
- COVERAGE
- Japanese headphone range · official linked PDF
- DATE
- October 1976
- MARKET
- Japan / domestic market
- LANGUAGE
- Japanese
- CONTENTS
- Source record / external material
At the source.
This record points to an external archive. Follow the source link above to view its material.
Historical reference material. Brands and original works remain the property of their respective owners.