Could Marantz Damage HE-6?

[clannadqs]

Hey guys, I just received my HE-6 back from Hifiman after getting it repaired under warranty. The right driver blew after a few months of using it. I have output coming from the speaker taps of the Marantz into the hifiman adapter into the HE-6. About a month or two into having this setup the first hifiman adapter had its right channel quit working as well and a month or two after getting a replacement I had the HE-6's right channel go out entirely. Someone here mentioned testing to see if there is faulty DC output into the headphones. I have disconnected the headphones until I figure out a way to do this, but is it a bad sign to hear a quiet popping/sparkle sound every other minute or so in the right driver while it is hooked up. Just realized it after a day of playing audio. I have listened to audio EXTREMELY quietly compared to when the driver blew (I listen quiet loud and need to tone it back). Just wondering if it could be the Marantz itself causing these issues.

 

[clannadqs]

Anyone?

 

[Currawong]

You'd destroy your eardrums before putting enough current into a pair of HE-6s to blow them. The SPL generated with the power required to blow most planar drivers would kill a person.

 

[clannadqs]

  You'd destroy your eardrums before putting enough current into a pair of HE-6s to blow them. The SPL generated with the power required to blow most planar drivers would kill a person.

Yet the driver did blow and hifiman and many others claimed it could have been the listening levels. I've received mixed answers, but the best one was from the rep from headphones.com who seemed knowledgeable. Claimed a lot of issues can arise from power coming from speaker taps into headphones due to them not being made for them. Maybe louder levels mixed with certain aspects pertaining to what he said could damage them over time. I bought them used, so I have no idea.

 

[Currawong]

That makes sense then. I've not used headphones out of speaker taps, but I do gather most people use adaptor boxes to avoid any problems. Looks like you need to pay for repairs or buy new headphones, and then use one of the headphone adaptor boxes next time.

 

[clannadqs]

  That makes sense then. I've not used headphones out of speaker taps, but I do gather most people use adaptor boxes to avoid any problems. Looks like you need to pay for repairs or buy new headphones, and then use one of the headphone adaptor boxes next time.

Nah, Hifiman already repaired them so that's why I don't want the same thing to happen again. Trying to play it safe. I do listen at extremely loud levels compared to almost anyone I have met and I have been toning that down recently. Honestly believe how much I listened (like 10+ hours a day of listening to music or gaming) to them at those levels could have damaged them. I also have the hifiman adapter box, but the first one got extremely hot while listening to it and the right channel gave out in the adapter. Had to get it replaced and a month later the right driver itself blew. What does the adapter specifically do? According to the multimeter the DC current coming from both the R and L channels is pretty up there compared to what they should be (most claim they get around 1-20 mW or something close). I'm getting 41.5+ on the right and 70+ on the left. That's before it goes into the adapter. Not well versed on everything and I'm trying to learn and be safe, but I have no idea how to test the current coming out of the adapter itself.