By A Mystery Man Writer
Will any record player sound good if I use external speakers? - Quora
operational amplifier - What should be the signal levels when recording a tape cassette? - Electrical Engineering Stack Exchange
Bob Dylan Sings, and Talks, on These Tapes From 62 Years Ago - The New York Times
What is this?! It's a vintage SANYO tuner/phono/ cassette recorder and player, does anyone know anything about these things? : r/vintageaudio
Studio + Recording - Perfect Circuit
Roland RE-201 Space Echo tape echo/reverb
United Home Audio SuperDeck - The Absolute Sound
How To Use Saturation
audio - AC bias circuit for a tape recorder - Electrical Engineering Stack Exchange