Power Supply · Intermediate
Route 66 power supply refresh baseline
Structured starter workflow for inspecting and refreshing aged power supply components in Route-era amplifiers.
Estimated bench time: 3-5 hours
Open guideRepair & Restoration
Bench-Driven Guides for Vintage Hardware
Guides are built with structured safety notes, tool requirements, and parts references. Use these as living documents and refine with measured results.
Bias / Offset Calibration · Advanced
M-series bias and DC offset baseline
Step-by-step process to stabilize idle current and validate DC offset behavior on M-series boards.
Estimated bench time: 2-4 hours
Open guidePreamp / Signal Path · Intermediate
Signal-path noise diagnosis (generic workflow)
Template process for hum, hiss, and channel imbalance root-cause analysis before replacing semiconductors.
Estimated bench time: 1-3 hours
Open guide