Recently inherited this amp and radio but have no idea about the brand! I have searched online and have found no information about the brand, only a few listings of similar equipment
Benytone & Tesla - YouTube
Vintage for Sale - Benytone M 7010, 1974?, cassette player and recorder, amplifier and speakers, perfect working condition. very rare, made in japan | Facebook
Cousin's Benytone C500L. Is it worth keeping for a budget audiophile system? : r/audio