Quad 303 High-end replacement board
Based on the original Quad-schematics, latest version
All tweaks & improvements known built in
Only high-end components (Nichicon, Wima MKS4, audio-grade inductor, 1% metal-film resistances, top-quality transistors...)
Jumper-selectable input-sensistivity (0,5V - 1,5V - 5V)
Silver-plated connectors
Completely tested & calibrated with professional lab-equipment
High-quality epoxy PCB
Output-current can be increased on demand
100% mechanical & electrical compatible with the 303
1 year full warrantee