Denon AVR 1804 A/V Receivers user reviews : 4.3 out of 5 - 7 reviews - audioreview.com
Denon AV Receiver Repair AVR-1804 Blown transistors, resistors and other stuff | UK eBay Reseller - YouTube
Remote Control Suitable For Denon Avr-1404 Avr-1804 Avr-2105/2106/150 Avr-2805 Avr-2806 Avr-2807 Avr-2808 Avr-2809 Av Receiver - Remote Control - AliExpress
Denon AVR-1804 Audio Video Receiver Manual | HiFi Engine
Denon AVR-1804 AV Receiver Dolby Digital Bundle W/ Remote | eBay