Featured Stories
Topics Discussed
- brandBottlehead
- itemBottlehead Crack OTL
- categoryDesktop Amps
- itemGrado Head Fi Series HF2 Headphones
- categoryHeadphone Amplifiers
Related Forum Threads
- [Review] Ortofon HD-Q7 Last post on 1/16/11 at 11:59pm in Headphone Amps (full-size)
- All Aluminum Bottlehead Amp.... Last post on 11/10/12 at 5:17pm in Headphone Amps (full-size)
- Schiit Valhalla and the overly bright mids that are masking the bass Last post on 5/24/12 at 1:40pm in Headphone Amps (full-size)
- Do I even need a headphone amp (Tesla T1 / Yamaha home cinema amp) Last post on 6/7/12 at 2:51pm in Headphone Amps (full-size)
- Just looked at the Bottlehead amps and... Last post on 10/9/11 at 5:25am in Headphone Amps (full-size)
Related Articles
-
Diy Beginners Guide
Edited on 11/14/12
- Headphone Impedance
Edited on 8/18/12Related Head Gear
Recent Reviews
-
I bought these this week from amazon.co.uk for £10 including delivery. That's US $15. Packaging, appearance, warranty, euro-nanny knows best: Mine arrived in the small European packaging box,...
-
Absolutely beautiful little player. It's just a gorgeous chunk of tech that feels good to hold. For me personally tech has to have form as well as function and the AK120 doesn't disappoint on...
-
I agree w most reviews that these does not warrant the $499 MSRP. (Then rather opt for D5k, D7k). BUT - at the +-$230 range I got them at (Amazon warehouse) - these are VERY good value for...
-
Disclaimer- This review has been written based on past 2 year’s observations. I am not a part of the audio industry or trade and I represent no one but myself, and this review is written...
-
Introduction The easiest way to explain the Sennheiser CX-150's is that they do what you can reasonably expect. You can't really expect much from a pair of sub-50 dollar IEM's, and frankly, I...
- Headphone Impedance
Crack;Bottlehead OTL - Page 88
Head-Fi's Best Sellers
- longbowbbs
- Trader Feedback: +1
-
- offline
- 3,605 Posts. Joined 2/2012
- Location: NW Wisconsin
- Select All Posts By This User
Tubes are the way to start the day!

- roadcykler
- Trader Feedback: +6
-
- offline
- 742 Posts. Joined 6/2009
- Location: SW Washington
- Select All Posts By This User
I'll second that. I don't like how they do their shipping calculations but I like the part.
- Warrax
- Trader Feedback: 0
-
- offline
- 106 Posts. Joined 5/2012
- Location: Slovakia, Bratislava
- Select All Posts By This User
Hello, I would like to ask, what DAC is good for CRACK.
Second question, if I use also studio monitors, and switching between headphones and monitors (on night to headphones, to not disturb neightboars),
what DAC should I use for this purpose. It needs to have 2 sets of DAC out, right? One I connect directly to studio monitors, and one, I connect to CRACK.
Right now I have NFB11.32, which is DAC/preamp + headphones amplifier, and I'm looking at back plate, and there is only one set of DAC out. So, in this case, it's not possible to use connected it to monitors and CRACK at once?
Now question, what do you see as better combination:
300$ standalone DAC + CRACK
or
NFB10.32 with balanced output
Edited by Warrax - 11/10/12 at 8:11am
- skeptic
- Trader Feedback: +5
-
- offline
- 817 Posts. Joined 3/2008
- Location: Los Angeles, California
- Select All Posts By This User
I've also been spending some quality time with my crack and HD800's this weekend, and I am loving a new tube complement I just picked up from the fs forum! In addition to a host of other highly regarded 6as7's/5998's/6080's etc., neogeo333 had, and may yet have, a few rare GEC 6as7g's for sale - a tube I have always wanted to try based on skylab's highly favorable reviews.
In any event, I bought one, along with a spare 5998, and my initial impression is that I am really going to enjoy the GEC tube. The gain on my crack has always been a little bit high for my HD800's when running 5998's (which have been my favorites to date nonetheless). It seems like the GEC tube is just as refined as a 5998, but with a lower gain that works really really well in my configuration. (Thought I'd mention this here, sooner rather than later, in case any others on team-crack are looking for modestly priced, high quality, well cared-for 6as7's - which sadly seem to be harder and harder to find in recent years).
It should be lots of fun comparing my various 5998's with the GEC over the coming weeks. I'm pretty well settled on a 1959 TS 12bh7 as my favorite tube in the A socket. Also thinking it may finally be time to try a pair of obbligato's in place of the axon's I'm using as output caps. The joy of experimenting with this outstanding little amp really is endless!
Edited by skeptic - 11/10/12 at 1:31pm
- liamstrain
- Trader Feedback: +10
-
- offline
- 3,102 Posts. Joined 9/2011
- Location: Chicago, IL
- Select All Posts By This User

Right now I have NFB11.32, which is DAC/preamp + headphones amplifier, and I'm looking at back plate, and there is only one set of DAC out. So, in this case, it's not possible to use connected it to monitors and CRACK at once?
Now question, what do you see as better combination:
300$ standalone DAC + CRACK
or
NFB10.32 with balanced output
You could make or buy a source distribution box, or even just do a split cable.
As a better combination - I prefer a separate dac + crack, than an all in one - gives more options for upgrades down the line. I really like the Yulong D100 with my crack - which does have balanced line outs (depending on your monitors, you could use XLR cables from there) as well as a set of standard stereo audio outs. It's a bit more than $300 though - unless you find used.
- Warrax
- Trader Feedback: 0
-
- offline
- 106 Posts. Joined 5/2012
- Location: Slovakia, Bratislava
- Select All Posts By This User

You could make or buy a source distribution box, or even just do a split cable.
As a better combination - I prefer a separate dac + crack, than an all in one - gives more options for upgrades down the line. I really like the Yulong D100 with my crack - which does have balanced line outs (depending on your monitors, you could use XLR cables from there) as well as a set of standard stereo audio outs. It's a bit more than $300 though - unless you find used.
Can you please give example of such distribution box, or split cable (some pictures)... from what I've read, I cannot imagine it, what it is.
Thank you, yes my monitors have also XLR inputs, so balanced DAC is not a problem.
Crack on other side, don't have balanced output for headphones, just normal one?
So Yulong D100 + crack, will make better sound for headphones for a bit higher price than NFB10.32?
What about sound to monitors... will Yulong D100 alone (I assume it's only DAC, not preamp) will make better sound on monitors, than NFB10.32?
As I've have NFB11.32 now, I've tried fixed and variable output to my Monitors, and I assume, that fixed is just DAC, but variable is also DAC + preamp (or only DAC + volume control, with no amping?). Because I've had feeling, that variable made slightly better sound then fixed on active monitors.
- Draygonn
- Trader Feedback: +6
-
- offline
- 1,173 Posts. Joined 7/2011
- Location: The Westside
- Select All Posts By This User
- skeptic
- Trader Feedback: +5
-
- offline
- 817 Posts. Joined 3/2008
- Location: Los Angeles, California
- Select All Posts By This User
This is going to boil down to personal preferences Warrax. If you are using high impedance headphones, you will *probably* really enjoy the crack, paired with any decent quality dac. As you can tell from this thread, many head-fiers really like this amp a lot. That said, some people have different preferences and might prefer the nfb10.
As one of many possible alternatives to the yulong, keces also makes some very nice budget dacs you might take a look at. They measure well and have generally received positive reviews (see, e.g., http://www.enjoythemusic.com/magazine/equipment/0808/keces_da151.htm). I've had my Keces 131 for several years now, and it is a very solid little unit.
Edited by skeptic - 11/12/12 at 12:33pm
- irishsammy
- Trader Feedback: +13
-
- offline
- 220 Posts. Joined 5/2010
- Location: New Orleansish, LA
- Select All Posts By This User
Hi everybody. Just finished my first Crack build and plugged in my DT880/600's.
Holy SH*T does this thing sound good. 
- liamstrain
- Trader Feedback: +10
-
- offline
- 3,102 Posts. Joined 9/2011
- Location: Chicago, IL
- Select All Posts By This User
Looks good. Enjoy! What's the pretty KT88 piece next to it?
Does anyone have a spare (unused preferred) alder base they didn't use from their kit?
- Warrax
- Trader Feedback: 0
-
- offline
- 106 Posts. Joined 5/2012
- Location: Slovakia, Bratislava
- Select All Posts By This User
What's that for color of wood? I've always seen CRACK as bright brown wooden color. This is looking really really awesome with this darker wood color. Do they ship such wooden pieces now, or it is made by you?
- captouch
- Trader Feedback: +14
-
- offline
- 439 Posts. Joined 7/2011
- Location: Bay Area, CA
- Select All Posts By This User
They ship wood pieces unfinished, and you can stain them (or not stain them at all) whatever color you want. Most that I've seen are unstained or stained some shade of brown. But you do see dark/black ones occasionally like this one.
That's the cool thing - each one that has anything done to it is really pretty unique. You can also paint the top plate as well.
Here's mine:
Edited by captouch - 11/13/12 at 9:42pm
- roadcykler
- Trader Feedback: +6
-
- offline
- 742 Posts. Joined 6/2009
- Location: SW Washington
- Select All Posts By This User
If you look on the Bottlehead site, you'll see all manner of base modifications and colours. I stained mine a dark blue and painted the top plate with the hammered copper paint. There's probably a picture of it in this thread somewhere.
- Draygonn
- Trader Feedback: +6
-
- offline
- 1,173 Posts. Joined 7/2011
- Location: The Westside
- Select All Posts By This User
- Crack;Bottlehead OTL
Head-Fi's Best Sellers
Recent Discussions
- › Unique Melody Remold Appreciation and Impressions Thread 58 seconds ago
- › [New] Philips Fidelio X1 1 minute ago
- › The JVC HA-S500.. Appreciation, fan thread. 1 minute ago
- › Themed Monthly Avatar Committee (TMAC) discussion thread 2 minutes ago
- › The Beyerdynamic DT880 Appreciation / Discussion thread 2 minutes ago
- › C&C BH Portable Headphone Amp (80 Hours from a Single Charge!)... 2 minutes ago
- › The Astell & Kern AK120 3 minutes ago
- › Sennheiser HD 600 question 3 minutes ago
- › The Official Beyerdynamic T1 Owner's Club / Appreciation /... 3 minutes ago
- › Review: SPL Auditor 3 minutes ago
Recent Reviews
- › Koss KSC75 Portable Stereophone Headphones by julian67
- › Astell & Kern AK120 by GSARider
- › Denon AH-D600 by johangrb
- › Sennheiser HD 250 Linear II by xEcuToR
- › Sennheiser CX150 Ear-Canal Phones by BadMoose
- › Rhapsodio RDB+ 2v1 by svyr
- › Audio-technica AIR Dynamic Headphones Ath-ad1000x by a_recording
- › Schiit Valhalla by Rem0o
- › Sony MDR-XB500 40mm XB Diaphragm Driver Extra Bass Headphones by derbigpr
- › Colorfly Pocket Hi-fi C4 by yxmees
New Articles
- › Syncing music and making playlists work with... by Currawong
- › Mac OS X Music Players - alternatives to iTunes by miceblue
- › STAX SR-007 (Omega II) ... A Review After 4... by Currawong
- › List of lossless and high-res music (FLAC,... by ffivaz
- › Beware of the following scams and people... by Currawong
- › Sennheiser 449 Mod Possibly 4 8 Mod by hernan604
- › 2012 Head-Fi Holiday Gift Guide (Computer Audio) by joe
- › 2012 Head-Fi Holiday Gift Guide (Portable... by joe
- › 2012 Head-Fi Holiday Gift Guide (Desktop Audio) by joe
- › 2012 Head-Fi Holiday Gift Guide (Headphone... by joe
About Head-Fi.org | Join the Community | Advertise
© 2013 Head-Fi.org is powered by Huddler Tech | FAQ | Support | Privacy/TOS | Site Map





















Welcome to the club. I like the colors you used.
