Here we have a review and tweak of the new Bottlehead Crack OTL headphone amplifier kit.
Bottlehead are a US based kit company who have supported the DIY community for some years with their amazing kits. A good customer of ours, Mr R.T. puts pen to paper in this review of the kit. He also gives it a tweak using parts from our stores.
To read the full review in our Blog pages click HERE.