The venerable Bottlehead Crack, likely the most famous headphone amp kit ever. I purchased an extra one but never assembled it. It is version 1.1 and comes with the super cool Bottlehead badge. Cost is $378 PLUS $22 shipping on Bottlehead's site... or you can buy it here and save $55. This does not include the speedball. Some people prefer it without the speedball as it's a bit more "tubey" sounding... I'm about 50/50 so I didn't bother adding it. You can order it separately if desired.

Note this has the nice metal chassis plate that Doc himself brushed. They stopped offering it a while back.

If you'd like to commission it to be expertly built (potentially with upgrades), that can be arranged as well.

I can ship to Canada but the shipping would probably be around $30 for Expedited UPS. Provide me your address for a quote. Otherwise shipping in the CONUS and PP fees are included.