: Guidance on using the A and B speaker terminals and managing the ground terminal for phono inputs to eliminate hum.
Here’s a concise review of the (presumably the original owner’s/service manual), based on typical user feedback and documentation quality for Kenwood gear from that era (late 1970s–early 1980s). Kenwood Amplifier A-5j Manual
Use the red and black terminals for your main stereo pair. Ensure the speaker impedance matches the 4–16 ohm requirement to avoid overheating. : Guidance on using the A and B
: It sports the iconic vintage Japanese design with a focus on durability and a sophisticated internal circuit network. Finding the Manual Kenwood Amplifier A-5j Manual
: For turntables (requires a ground wire connection if available). CD / AUX : For modern digital players or line-level sources.