Troubleshooting if I had a bad NAD amplifier I borrowed a Kenwood KR V-6020 receiver b/c speakers were intermittent. I connected the speakers and phono preamp directly to the Kenwood & Kenwood
Amazon.com: Replacement Remote Control for AC/TV/Audio Unit for KRF-V6010 KRF-V5010 KRF-V6020 KRF-V8010D KR-V6050 KR-V7050 RC-R0606 AV Audio Video Surround Receiver : Everything Else
Kenwood KR-V6020 audio-video stereo receiver and | Kraft Auction Service
Kenwood KR-V6020 Audio Video Stereo Receiver CD Direct (No Remote)