Hey! I'm on the same boat as you. Just saw this new iFi tailored for the HD6XX series: https://www.head-fi.org/threads/ifi-audio-zen-can-signature-6xx-is-what-your-sennheiser-cans-want.936743/#post-15722307

That explains why opinions on HD600 bass response are so disparate from one review to the other all over the internet; some saying it has no bass at all and others saying it has very nice lows. Would that mean that, ideally, I would need an amp that provides around 250mW at 550 ohm to reach...

Oh wow, that Violectric V280 is so powerfull. The Valhalla, though, is right about my pricerange right now. I've spent the last few days reading reviews on it and some other amps. It's a wide ocean of amps and specs, out there! So far the Asgard 3 sounds the most appealing to me. Found an...

I will do that. Thanks for the advice. What do you use to drive your HD600 (assuming you own them)?

Dang. I've been using this setup for 3 years now. I feel like a fool. I figured since they were loud enough, the amp was ok. Whats more, I recently ordered a pair of LCD-X, looking for something more detailed than the HD600, but it sounds like I will have to invest in a dedicated amp if only for...

Hello, audiofolk. Fisrt time posting here, and I have a doozy for you all. My interface is a TASCAM UH-7000 and My Headphones are Sennheiser HD600. The Tascam has no problem driving the HD600's, and by that I mean that I rarely have to turn the volume knob past 12 o' clock. But I never verified...