Option:
Based on the Marantz SC-7S2 Preamp
A fully discrete CFA current feedback single-ended preamp board
Compared to VFA voltage feedback, CFA offers higher bandwidth, higher slew rate, and lower distortion
Four HDAM-SA3 modules per channel, totaling 8 modules
Overall Dimensions: 10010025mm (H)
DC Power Supply: One set of ±24V shared, or two sets of ±24V for independent channels
Each channel equipped with 4 complementary common-base common-emitter HDAM-SA3 high-speed current feedback amplifier modules
Zero background noise, rich texture, layering, and spatial presence, wide dynamic range
Especially suitable for playing classical music, female vocals, symphonies, folk music, etc.
Balanced, clear, and detailed three-frequency response with distinct instrument separation and an expansive soundstage
Excellent high-frequency extension, extremely low distortion, smooth and detailed sound
Transparent midrange, full and natural vocals
Powerful and controlled bass with ample dynamic control
For those interested in bare boards, please contact me for the component list
For customers who have already made a purchase, please contact me for the schematic diagram.
