Mm...can you settle a lingering and gnawing question? I ‘ve been told that the lifespan of the HE 1 tubes is 15,000 minutes or 250 hours. Another headfier (prospective owner I think) received information from Sennheiser concierge that the correct figure is approximately 2,000 hours. By my reckoning, I will be close to 200 hours of use by June or July of this year. Which is which? Thanks in advance.
Raypin,
Just so you know, we're getting the best estimate, and read your comment when you posted.
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