FWIW the TR7 uses an LM380. It works pretty well.
On Wed, 1 Jan 2025 10:45:24 -0500
"Mike Bryce via groups.io" <prosolar@...> wrote:
FYI¡ I designed an audio amp board for the R4C that used a LM380. Worked great and had plenty of humph to drive the MS4 speaker to room filling volume
--
73
-Jim
NU0C
Jim Shorney