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Orthodynamic Headphone HP-1

Orthodynamic Headphone HP-1; Yamaha Co.; (ID = 608503) Speaker-P Orthodynamic Headphone HP-1; Yamaha Co.; (ID = 662416) Speaker-P
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Orthodynamic Headphone HP-1; Yamaha Co.; (ID = 608503) Speaker-P
Yamaha Co.;: Orthodynamic Headphone HP-1 [Speaker-P] ID = 608503 683x466
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For model Orthodynamic Headphone HP-1, Yamaha Co.; Hamamatsu:
Bild aus Yamaha Broschüre 1976.
Country:  Japan
Manufacturer / Brand:  Yamaha Co.; Hamamatsu
alternative name
Nippon Gakki
Year: 1976–1978 Category: Loudspeaker, headphone or earphone
Wave bands - without
Power type and voltage No Power needed
Loudspeaker - Is a Headphone or Earphone / Ø 5.5 cm = 2.2 inch
Power out
from Model: Orthodynamic Headphone HP-1 - Yamaha Co.; Hamamatsu
Material Moulded (Bakelite or Plastics)
Notes Orthodynamischer Kopfhörer, Frequenzgang 20 Hz bis 20 kHz, Impedanz 150 Ohm, Sensitivität 96 dB/1 mW, Mechanisches Entwurf von Mario Bellini, Schnurlänge 2.35 m, Stecker 6.3 mm Durchmesser, Membran: Polyester 12 Mikron, Ferrit-Magnet 55 mm Durchmesser, Harmonische Verzerrungen < 0.3 % bei 90 dB SPL.
Net weight (2.2 lb = 1 kg) 0.3 kg / 0 lb 10.6 oz (0.661 lb)
Price in first year of sale 146.00 HFl
Literature/Schematics (1) Zeitschrift: DISK 116:80-82,1976 (Niederlande)

Model page created by Aren van Waarde. See "Data change" for further contributors.

All listed radios etc. from Yamaha Co.; Hamamatsu
Here you find 754 models, 708 with images and 378 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.