For Sale: Bottlehead Crack OTL headphone amplifier, original model fully built (but please note box is open at bottom and top plate is not permanently fixed) tubes are Raytheon 12AU7 and Svetlana C-series 6N13. Note this is for high impedance headphones
Price £200 including postage to UK destinations payable by paypal gift (friends and family).
Link to updated model: https://bottlehead.com/product/crack...amplifier-kit/