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Bottlehead Crack 1.1 OTL Headphone Amp Kit $199 (w/ Speedball $299)

$199.00
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The Bottlehead Crack 1.1 OTL Headphone Amplifier Kit is on sale again until 5/12 for $199 (normally $299). The Speedball upgrade may also be added for $100 (normally $115). This sale has historically occurred about every 6 months, though I don't believe it ever gets cheaper than this.

This is considered one of the best amplifiers for high impedance headphones such as the Sennheiser 600 series (many think it's the best), however assembly is required so you need to be pretty comfortable with a soldering iron. There are a number of assembly videos on YouTube if you want to see if it's something you'd be willing to tackle (e.g. https://www.youtube.com/watch?v=2h39DWLgHmE)

https://bottlehead.com/?product=c...lifier-kit

https://bottlehead.com/?product=c...lifier-kit
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$199.00

14 Comments

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#2
Thanks! This was my only deal alert--figured I'd be waiting until October
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#3
Spotted this on their Instagram yesterday, I figured I might as well do it finally.

I'm going to wait on the speedball upgrade for now though.
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#4
I wish they assemble for a nominal fee.
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#5
Wait a second. So you are telling me that they are selling parts (normally) for $299.99 and YOU have to assemble the entire product? What the heck is that crap? Those parts are worth that much money? It looks like to me they are using old school transistors and electronics. Luckily one of you above mentioned you have to assemble it. The link above makes it look like its already completed. You mind as well include the price of a soldering iron too in the cost of this since not everyone has one.
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#6
Quote from Genius4sho
:
Wait a second. So you are telling me that they are selling parts (normally) for $299.99 and YOU have to assemble the entire product? What the heck is that crap? Those parts are worth that much money? It looks like to me they are using old school transistors and electronics. Luckily one of you above mentioned you have to assemble it. The link above makes it look like its already completed. You mind as well include the price of a soldering iron too in the cost of this since not everyone has one.
I remember, ancient history, one of these deals on a Hafler pre-amp. I know I was so careful and tried so hard to solder correctly and still f'd it up - had to go to a local shop and have them redo all my work. Said, never again for me. No fun, not worth the savings.
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#7
Quote from Genius4sho
:
Wait a second. So you are telling me that they are selling parts (normally) for $299.99 and YOU have to assemble the entire product? What the heck is that crap? Those parts are worth that much money? It looks like to me they are using old school transistors and electronics. Luckily one of you above mentioned you have to assemble it. The link above makes it look like its already completed. You mind as well include the price of a soldering iron too in the cost of this since not everyone has one.
Haha please remember not everyone on this forum is a ham fisted neckbeard or millennial who can't change their own oil!

Yes this is a kit, if you don't know what it is, it's prob not for you...

Long story short, these kits have arguably the sound quality of $500-$600 headphone high ohm amps.
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#8
Quote from paruchuribros
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I wish they assemble for a nominal fee.
Honestly this is a very simple kit to assemble. If you were serious about it, you could get the tools for $30-50, practice simple joints and circuits for a week or two, and have this guy built in 2-3 days going slow and steady.

Soldering is a great skill to have also

Side note: I bet you could find someone on head-fi who would do it for a small fee, maybe even someone local who'd be willing to walk you through it
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Last edited by sintax May 5, 2018 at 03:21 PM.

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#9
Quote from Genius4sho
:
Wait a second. So you are telling me that they are selling parts (normally) for $299.99 and YOU have to assemble the entire product? What the heck is that crap? Those parts are worth that much money? It looks like to me they are using old school transistors and electronics. Luckily one of you above mentioned you have to assemble it. The link above makes it look like its already completed. You mind as well include the price of a soldering iron too in the cost of this since not everyone has one.
So what you're saying is you are not a genius. You would think a genius could work a simple soldering iron.
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#10
Quote from wiffle
:
So what you're saying is you are not a genius. You would think a genius could work a simple soldering iron.
Nah, I got that work. The more I think about this product idea the more interesting it is. You sell a product to someone so that they build it and the risk is on them. If they F it up you blame them for screwing it up and deny the refund. This is a brillant idea. Thank God tech companies don't do this. I'd be at home building my TV right now, soldering chips onto my PC's motherboard, in my garage building my car, etc. laugh out loud
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#11
Quote from Genius4sho
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Nah, I got that work. The more I think about this product idea the more interesting it is. You sell a product to someone so that they build it and the risk is on them. If they F it up you blame them for screwing it up and deny the refund. This is a brillant idea. Thank God tech companies don't do this. I'd be at home building my TV right now, soldering chips onto my PC's motherboard, in my garage building my car, etc. laugh out loud
I don't even listen to headphones and I think this product is interesting. The reviews are excellent.
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#12
This is an excellent headphone amp and an excellent deal. Most reviewers recommend the speedball upgrade.

Note that due to the OTL nature this will work best for headphones worth higher impedance like the HD650s, etc.
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#13
Anyone received their kit yet? Still waiting on mine.
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#14
Quote from ucbengr
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Anyone received their kit yet? Still waiting on mine.
I got mine on the 15th. Started sorting it out last night for assembly only to find i'm missing most of the nuts. I sent them an e-mail, but haven't heard back (they're on Pacific time, so that's understandable.
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#15
Quote from kevlar51
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I got mine on the 15th. Started sorting it out last night for assembly only to find i'm missing most of the nuts. I sent them an e-mail, but haven't heard back (they're on Pacific time, so that's understandable.
Thanks. Got mine yesterday but haven't opened up the box yet. Now I need to check to make sure everything's there. Good luck with your build.
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