GLMedia — J8 / D12 / D80 and wiring test record Blank worksheet: enter only verified identification and observed results. Event / date / location / system technician: Symptom and affected driver section (LF or MF/HF): Cabinet / model / connector variant: Amplifier / model / firmware / output mode / setup / output: Initial configuration saved / patch: Complete path: output → panel → multicore → breakout → cable → cabinet: Cabinet and output pin assignments / manual / edition / page: Actual cabinet count in the group: Cable / identification / length / cross-section / extensions / adapters: Cable check: amplifier off, both cable ends disconnected. Technician / instrument / conductor / continuity observed / pin assignment verified: SenseDrive: EP5 variant and five conductors / OUT A path / NL8 verification required: LoadMatch: Cable length / Speaker count / Cross-section / On-Off / message: Audio test with setup and connections verified: Signal / test level / listening positions / duration: Single path segment or setting changed: Initial observation / observation after change: Did the symptom change? / hypothesis still to check: Other affected areas / configuration restored or change approved: Next step / unresolved checks: