Similar to: Bottlehead Crackatwoa Headphone Amplifier

This amplifier brings the lush, liquid warmth of direct-heated triodes to your headphones by stripping away the feedback loop. It demands a bit more patience with its tube-driven architecture, but the trade-off is an incredibly intimate, wide-bandwidth sound that feels more like a live performance than a digital recording.

This handcrafted tube amplifier delivers a rich, liquid sound that modern solid-state gear simply cannot replicate. While the OTL design requires a bit of patience for tube rolling and maintenance, the reward is an unmatched, customizable intimacy that breathes new life into your favorite headphones.

This DIY tube amplifier kit elevates the classic direct-coupled design with a more robust power supply and active current sources. It delivers a refined, dynamic listening experience specifically tuned for high-impedance headphones, offering a significant performance step up for those who enjoy the hands-on satisfaction of building their own audio gear.