The Well Transparent Tube Buffer line output buffer
![](https://www.thewellaudio.com/wp-content/uploads/TWTTB-1-1024x530.jpg)
The TWTTB is a vacuum tube line buffer suitable to be used as impedance adapter for voltage output DAC.
Features:
Buffer type: common cathode with interstage transformer
Output: as input
Board size: 254mm x 153mm (excluding RCA connectors)
Power supply: vacuum tube rectifier and LC filter
Board options: bare board only
Schematic and download
![](https://www.thewellaudio.com/wp-content/uploads/Schematic-1-1024x684.jpg)