THS720/730 have been out since 1996, kinda old like Fluke Scopemeters. Portable scopes are not very good, lots of compromise. Little memory, low sampling rate and LCD display and most are optimized for electricians doing VFD work. I don't like them.
What's your budget? I prefer Tek over the Rigol.
Lowesrt cost, really basic use, the DSO138 is fine for audio work.
It's weird, Why a old Tek like this is still alive today if it's from 1994? and why my new fresh Uni-T is just dead (dates from 2017 "new tech" -500MSa/S) if dates back for no more than 10 years? Ahh I must forget: One is made to work in those days tech (around 1GSa/S) and the other is made with yesterday tech but today (chinesse type around 500MSa/S).
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