From the Manufacturer
With the HD 650, audiophiles will experience actually unique natural sound. With sound this good, long concerts in the comfort of your home are a certainty, so the HD 650 also sets standards in comfort and convenience. The HD 650 is a genuine masterpiece, for you to satisfy even the most demanding listener. HD 650 – the Reference Class.
- Balanced & transparent sound
- Elegant titanium-silver finish
- Optimized for hi-resolution recordings
- Made in Ireland
Features a 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.
- Top-of-the-range open, dynamic hi-fi stereo headphones
- Systems with narrow tolerances (± 1 dB), hand-picked in pairs
- High-quality titanium/silver finish
- Neodymium ferrous magnet systems ensure optimum sensitivity and an excellent dynamic response
- Exceptionally natural, spatial and accurate sound
- Can be directly connected to stationary hi-fi components of the very best quality, in particular SACD, DVD-A and CD players
- Peace of mind – thanks to the 2-year international warranty
The HD 650 is a true audiophile headphone that features extremely lightweight aluminium voice coils to verify excellent transient response.
… The HD 600 is geared for your hi-fi stereo system. Best suited for all types of audio the HD 600 is a favorite among mastering engineers world wide.
The HD 650 is covered by a 2-year international warranty.
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| HD 600 | HD 650 | |
| Frequency response | 12 – 39000 Hz | 10 – 39500 Hz |
| Impedance | 300 ohms | 300 ohms |
| Transducer principle | Dynamic, open | Dynamic, open |
| Sound pressure level (SPL) | 97 | 103 dB |
| THD, total harmonic distortion | 0.1 % | 0.05 % |
| Weight w/o cable | 0.57lb (260 g) | 0.57lb (260 g) |
| Contact pressure | ca. 2,5 N | ca. 2,5 N |
| Ear coupling | Circumaural | Circumaural |
| Jack plug | 1/4″ / 1/8″ (3.5/6.3 mm) stereo | 1/4″ / 1/8″ (3.5/6.3 mm) stereo |
| Warranty | 2 Years | 2 Years |
For over 60 years every Sennheiser mic or headphone comes with a built-in mission: to stay true to the sound and soul the music was once given by its artist. From the fragile intimacy of a whispered word to the deep and dark punch of an attacking bassline. Sennheiser delivers pure emotion and excitement. A quality that has convinced a broad spectrum of artists and of course music lovers far and wide the world. Sennheiser offers a great experience for everyone who in point of fact wants to hear.
- HD 650
- 1 adaptor to 1/4″ (6.3 mm)
Specially designed acoustic silk ensures precision damping over all the frequency range and helps to reduce THD to an implausible 0.05 percent
Improved frequency response is 10 39,500 Hertz ( 10 dB)
Hand selected matched driver elements; Highly optimized magnet systems for minimum harmonic and inter modulation distortion
High power neodymium magnets deliver maximum efficiency; 3.5 millimetre jack plug. Frequency response (Headphones):10 41000 Hz
Lightweight aluminum voice coils for very fast transient response
Cable length 118 inches
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