- https://www.endino.com/graphs/index.html
- https://richardhess.com/notes/formats/magnetic-media/magnetic-tapes/analog-audio/degrading-tapes/
- https://www.radioshackcatalogs.com
Radio Shack Catalogs- dedicated to every Radio Shack catalog ever printed starting in 1939 - https://www.museumofmagneticsoundrecording.org
Museum of Magnetic Recording- lots of pix and info on all sorts of RTR decks - https://ATRtape.com
North America’s premier audio tape manufacturer - https://www.tapeproject.com
audiophile grade tapes, dubbed off the master recordings - https://www.bottlehead.com
manufacturers of tube amps and preamps, and accessories - https://www.microphonerentals.com
A great source for all sorts of vintage microphone rentals, located in Vancouver BC
