Pros: Supports iDevices and PC (including some Androids) DAC/Amp, tube type amplifier.
Cons: Headphone output impedance 10Ω might alter FR of your low impedance phone, can’t use as a standalone DAC or Amp.
Go-Dap TT is the newest portable iDevice and USB DAC/Amp combo from VentureCraft. It’s the first time that they incorporated tube amp (pre-amp) for their product lineup. Specifications Raytheon 6111 subminiature tube is used as a pre-amp stage while New Japan Radio NJM8080 is used for power amp stage. The tube is solder to an intermediate PCB before plug into the socket in the main PCB. Thus, create an opportunity for switching to different types of tube. Above is the picture of two different tubes that can be used with Go-Dap TT. The left one is Raytheon 6111 and the right one is dual Raytheon 5703. ...(read more)