Reviews by MikeP1985
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MikeP1985

MikeP1985

New Head-Fier
Bottlehead Crack OTL

Bottlehead Crack OTL

aristos_achaion
Pros: Perfect for my HD600, boosts volume/bass/soundstage, very quiet background and no distortion at high volumes, fun to build as DIY
Cons: Not many features, only for high impedance cans, aesthetics could be better
This was an amazing and fun purchase for me. It was fun to build and it makes my HD600s sound great. Very simple design that does everything I need it to for my headphones. I don't believe I'll ever purchase another amplifier unless I fall in love with a low impedance headphone that needs amplification.
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Reactions: Jimmyblues1959
Loquah
Loquah
Hi Mike,
Did you add the Speedball?
I have the Crack as well and love it with my HD650s. Will add Speedball in the future I think.
MikeP1985

MikeP1985

New Head-Fier
Sennheiser HD 600

Sennheiser HD 600

Csericks
Pros: Accurate sound, wonderful soundstage, perfect mids
Cons: Could use more bass, can bring out the worst in recordings, not very "fun"
Perfect headphones for most instruments and vocals, could be better for hard rock and metal. I've never been so immersed in music in my life than while listening to these. My Bottlehead Crack Amplifier definitely improved their energy and sound quality. I do find myself using treble boost on my ipod, however, and I feel like there could be more "fun" headphones out there. I will be searching for a more bass heavy headphone with a full bodied sound for my hard rock and bass-necessary tracks.
Jmstrmbn
Jmstrmbn
Before giving up on these and moving to other phones I would suggest getting a dedicated source to go with the Crack. An iPod is ok for certain situations but the 600s really deserve more than it can dish out. I would give a hard look toward something like the schiit bifrost before investing in new phones.
I also listen to hard rock and metal often (Dream Theater, Kamelot, etc.) and the 600s are my most enjoyable phones for these genres.
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