Hitachi HD-S 9 specifications
Category : headphones
Brand : Hitachi
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Tech nical data
features
- manufacturer: Hitachi
- model: HD-S 9
- type: Headphones
- year of construction: 1980 - 1983
- weight: 180 g
- factory price approx.: 12'000 Yen (Japan, 1980), 180 DM
- model: Dynamic
- membrane: 40 mm 25 micron thickness aluminum-polyester foil
- impedance: 100 Ohm s
- playback frequency band: 20 - 20 000 Hz
- maximum input power: 800 mW
- sensitivity: 101 dB / mW
- distortion rate of 0.08 %
- length of headphone cable: 3 m
- cone with a ruffled edge
- angle-adjustable ear pads
- Detachable cable
- extract from the prospectus: Hitachi HD-2 , HD-3, HD-5, HD-7, HD-S 9
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