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Sennheiser HD 650 over-ear open-back Headphones - Official Thread - Official Headphone Model Discussion - The HEADPHONE Community
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Archimago's Musings: MEASUREMENTS: Sennheiser HD650 (~2010-2012) and HD800 (~2010). A comparison of two "Reference Class" headphones, and a look/listen to the "Sennheiser veil / darkness". [Inexpensive 2TB SSD and inflation in consumer electronics...]
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ADI-2 DAC and Sennheiser HD650's (Page 1) — ADI-2 & 2/4 Pro series, ADI-2 DAC series — RME User Forum
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