It should works though the default stock one is 100k.
Crack;Bottlehead OTL
- Thread starter ironbut
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Yeah. That's what I've got in mine now - a 20k stepped attenuator. No problem whatsoever.
Has anyone compared this kit to the pass labs ACP+ ? I've been enjoying the acp+ for a while but looking for something differenct.. thanks!
https://diyaudiostore.com/products/acp-amp-camp-pre-amp
https://diyaudiostore.com/products/acp-amp-camp-pre-amp
Galapac
1000+ Head-Fier
The ACP is a solid state amp correct? I have not had experience with the ACP but it looks cool. Is the sound neutral, meaning no color like a tube amp?
I would be interested in comparing the starving student model to BHC.
https://diyaudiostore.com/collections/headphone-amplifiers/products/starving-student-ii
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Firstly I'm not able to compare the ACP+ directly to the Crack but have owned the Bottlehead Crack, Sex and Mainline and the original ACA which I used to drive my Hifiman HE6 paired with a Bottlehead Quickie (pre amp) with excellent results.
I have always thought the ACA more comparable sonically to the Bottlehead Sex amp than the Crack. The Sex being a little bit sweeter in the mid range and the ACA being faster and more controlled in the bass.
Sonically especially in stock
non speedball form I would expect the Crack to offer quiet a different presentation to the ACA+ may perhaps be a step backwards technically but am only basing that view on my experience with the ACA not the ACA+
The Crack is a rewarding project hot rodding and tube rolling add further dimensions as does connecting with the Bottlehead community here and on the BHF.
skhan007
1000+ Head-Fier
An absolutely self-indulgent and purposeless "upgrade" to my BHC. Why, you ask? Because I'm a fan of Hard Rock! Yes, I'll be using this pun quite often moving forward...
Also, please recommend some feet that would go nice with this!
Also, please recommend some feet that would go nice with this!
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cddc
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LOL...I recommend some roller feet so that you can have Rock N' Roll 
raindownthunda
100+ Head-Fier
An absolutely self-indulgent and purposeless "upgrade" to my BHC. Why, you ask? Because I'm a fan of Hard Rock! Yes, I'll be using this pun quite often moving forward...
Also, please recommend some feet that would go nice with this!
Dude - way to be different!! I would probably get some decorative feet to make a true statement piece. This Etsy seller has some wild “jewelry box legs”: https://etsy.me/2NjvjYh
Some of my favorites:
cddc
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Joke aside, there are too many choices for feet.
The decorative metal feet above seem pretty nice.
You can also consider feet that are more geared towards vibration/shock isolation, like these:
The decorative metal feet above seem pretty nice.
You can also consider feet that are more geared towards vibration/shock isolation, like these:
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An absolutely self-indulgent and purposeless "upgrade" to my BHC. Why, you ask? Because I'm a fan of Hard Rock! Yes, I'll be using this pun quite often moving forward...
Also, please recommend some feet that would go nice with this!
I absolutely love that! Play some ‘heavy’ metal with all the rock! maybe some stones?
Galapac
1000+ Head-Fier
What type of stone is that? Soapstone? Marble? Granite? Must have some heft to it.An absolutely self-indulgent and purposeless "upgrade" to my BHC. Why, you ask? Because I'm a fan of Hard Rock! Yes, I'll be using this pun quite often moving forward...
Also, please recommend some feet that would go nice with this!
lalawilson168
Head-Fier
I have both on my desk currently, and tbh we are not really comparing apples to apples. since one is OTL tube amp and the other SS amp with a small SMPS. Having said that, ACP+ does have that euphoric almost tube like sound signature and its much cheaper and easier to build (the resistor matching part is a bit of a pain... but thats another story). I'd say if you have high impedance HPs like the Sens HD stuff, go with the BHC, and if you have a range of HPs with different impedances, I would highly recommend the other amp on diyaudiostore, namely Whammy.
cddc
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Finally finish the speed ball and the mod. Boy this sound great. Learned a trick while studying the build reversed the 100uF so it folded nicely under the speedball.
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HTSkywalker
Headphoneus Supremus
Is that granite ? looks awesomeAn absolutely self-indulgent and purposeless "upgrade" to my BHC. Why, you ask? Because I'm a fan of Hard Rock! Yes, I'll be using this pun quite often moving forward...
Also, please recommend some feet that would go nice with this!
Definitely needs some stand offs for ventilation
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