General Description
オーディオファイルHD 650は、究極のオープンエア型ダイナミックヘッドフォンです。受賞機種のHD 600をベースに開発されたHD 650は、再生音質をさらに向上させるため、使用材料を改善しています。HD 650は、絶対的な精度と迫真の再生を維持しながら、表現性と情感で聴く人を魅了します。完成された音をぜひお楽しみください。
Features
	Systems with narrow tolerances (± 1 dB), hand-picked in pairs
	Highly optimised magnet systems for minimum harmonic and intermodulation distortion
	High-quality titanium/silver finish
	A specially developed damping element, made from fine acoustic metal mesh, ensures a precise damping over the entire diaphragm surface, highly constant in all climates.
	Specially modulated connecting cable (detachable) made from highly conductive OFC copper, Kevlar-reinforced, with very low handling noise, i.e. low structure-borne sound sensitivity
	Extremely lightweight aluminium voice coils ensure excellent transient response
	Gold plated ¼” jack plug with adaptor lead to 3.5 mm jack plug
	2-year warranty

Technical Data

Glossary

Glossary
 

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Test results
	Tested by	Issue	Test result
	stereoplay	07/2004	Preis/Leistung: Überragend
		"Klang: Spitzenklasse, Highlight" stereoplay_07_2004.pdf (2,1 MB)
	Audio	2008	Goldenes Ohr 2008
		1. Platz in der Kategorie "Kopfhörer Hi-Fi"
	Audio	2009	Goldenes Ohr 2009
		1. Platz in der Kategorie "Kopfhörer HiFi"