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HDAM-S3 Fully discrete HIFI DIY stereo preamplifier Refer to Marantz SA3 circuit
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Product Details:
Type A :install with 6 pcs preamp boards
Type B :install with 8 pcs preamp boards
Referring to the HDAM-SA3 circuit design and optimization, the dynamic range is wider, distortion is lower, and the sound is clear, transparent, and delicate.
Panasonic dismantled transformer from Japan (do not buy if you mind).
Japanese ALPS potentiometer.
Advanced current feedback technology with extremely low distortion.
Separate independent components, short signal path, excellent voltage conversion rate.
Parameter:
Input voltage: AC220V
Package include:
S3 preamplifier X 1
Every preamplifier has been professionally tested in perfect working order before shipping! 
