Sennheiser HD 414 specifications

Category : headphones

Brand : Sennheiser

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Tech nical data

Special features

• Manufacturer: Sennheiser
• Model: HD 414
• Type: Headphones
• Years of construction: 1968 to 90s
• Made in: Germany
• Weight: 135 g
• Factory price (RRP): 65 DM (1973)

• Principle: Dynamic, open
• Coupling to the ear: Superimposed on the ear
• Impedance: 2000 ohms, later 400 and 50 ohms
• Rated load capacity: 0.1 W
• Pressing force: 2.4 N (240 p)
• Frequency range: 20 - 20,000 Hz
• Total harmonic distortion: < 1% (DIN 45 500)
• Sound pressure: 102 dB at 1 mW
• Connector: "Cube-5", first version with DIN speaker connectors for parallel connection with loudspeaker -Boxes
• Cable length: approx. 3 m

• The HD 414 came onto the market in various versions over the course of its decades-long construction period: while the first models were produced in different shades of grey and had an impedance of 2kOhm , later versions were black and had 400 or, most recently, 50 ohms. * The HD 414 was (and maybe is?) with about 2 million units, the most manufactured and sold Hi-fi device of all time.

• The HD 414 has an unusually high impedance of 2 kOhm per system
• The HD 414 is the first open headphone in the world

• Picture: Sennheiser HD 414

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