
1) Like most 1950s recordings 2) Monaural 3) Mono 4) Of or pertaining to monophony 5) Single-channel
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https://www.crosswordclues.com/clue/monophonic

1) Monaural 2) Mono 3) Monodic 4) Monodical
Found on
https://www.crosswordclues.com/clue/monophonic

• (a.) Single-voiced; having but one part; as, a monophonic composition; -- opposed to polyphonic.
Found on
http://thinkexist.com/dictionary/meaning/monophonic/

1) More formal term for Mono and meaning that there is only one sound source or the signal was derived from one sound source.
2) In synthesizers, a term meaning that only one pitch may be sounded at a time.
Found on
http://www.encyclo.co.uk/local/20447

Originally, and still, can refer to only one sound source or signal derived from one sound source. For synthesizers this refers to only one note, pitch or voicing, audio or MIDI, being heard at a time
Found on
http://www.encyclo.co.uk/local/20532

Capable of producing only one note at a time.
Found on
http://www.encyclo.co.uk/local/22285
Mon`o·phon'ic adjective [
Mono- + Greek ... a voice.]
(Mus.) Single-voiced; having but one part; as, a
monophonic composition; -- opposed to
polyphonic .
Found on
http://www.encyclo.co.uk/webster/M/95

only one note of an instrument may be played at a time. An instrument that can play many at once is said to be polyphonic. Monophonic instruments usually cut-off the sound of previously played note with the start of new one. (Instrument/Synth)
Found on
http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl

[
adj] - (music) consisting of a single melodic line
Found on
http://www.webdictionary.co.uk/definition.php?query=monophonic

a texture featuring a single unaccompanied melodic line.
Found on
https://education.ket.org/resources/music-glossary/

a single melodic line without accompaniment. May be a single voice singing alone, or a whole choir, all singing exactly the same thing at the same time. Related terms: homophonic, polyphonic.
Found on
https://www.arlima.net/the-orb/encyclop/culture/music/orbgloss.htm

Single-channel sound.
Found on
https://www.encyclo.co.uk/local/20687
adjective consisting of a single melodic line
Found on
https://www.encyclo.co.uk/local/20974

Music in a single melodic part, without harmony, as distinct from homophonic, which is melodic music accompanied by harmony, or polyphonic, which is music in a number of melodic parts moving simultaneously
Found on
https://www.encyclo.co.uk/local/21221

of or pertaining to monophony. · of or noting a system of sound recording and reproduction using only a single channel. Cf.
Found on
https://www.infoplease.com/dictionary/monophonic
No exact match found.