My suppliers, in no particular order
For Valves (tubes):- thetubestore.com in Canada. Fast delivery and they ship worldwide
For Output Transformers
- I use Hammond transformers, supplied by HiQ components NZ Ltd
For Mains transformers
- Mains transformers made to custom design by TWS Energy Controls NZ (Christchurch)
- Also Hammond transformers from HiQ
For Internal components
- jaycar for general components and connectors when I need something NOW from a bricks-and-mortar store
- rs online for general components
- element14 for general components, PCB supplies
For remote control volume, input selector assemblies, fasteners, connectors etc
- AliExpress to the rescue
For Chassis
- Aliexpress once again
For laser cutting / CNC chassis work
- Embrace Design (Wellington NZ)