While the exact PCB layout may vary by batch, the MB-17 generally follows the simplified 4-transistor JLH Class A circuit per channel.
If you own a paper copy of the Mdk Mb-17 W Schematic, consider digitizing it for the community. Here’s how: Mdk Mb-17 W Schematic
Your contribution might save someone else weeks of searching. While the exact PCB layout may vary by
If you are trying to connect the board, use this standard wiring logic. Your contribution might save someone else weeks of searching