Pros: A great sounding M47 style amplifier in a anodized case that will drive all but the most demanding of headphones.
Cons: A few minor design issue that are easily ovecome.
miuaudio MRA DIY Amplifier Review and Build Log by TrollDragon Back in February I contacted Ivan Lai of Miu-Tech in Hong Kong to review a few of their products. I was generously sent a pair of amplifiers for review, a nice little Do It Yourself portable and a Vacuum Tube Hybrid desktop. This review is for the MRA DIY amplifier kit, it is an M47 style amplifier with the second opamp on each channel configured as a voltage follower providing more current for a low impedance output. Upon opening the box you are presented with a schematic of the amplifier, a static bag full of components, the case parts and a silicon band to attach the amplifier to you source. ...(read more)