![Amazon.com: Harman Kardon AVR1600 50W 7.1-Channel A/V Receiver (Black) (Discontinued by Manufacturer) : Electronics Amazon.com: Harman Kardon AVR1600 50W 7.1-Channel A/V Receiver (Black) (Discontinued by Manufacturer) : Electronics](https://m.media-amazon.com/images/I/71KxckU0NIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Harman Kardon AVR1600 50W 7.1-Channel A/V Receiver (Black) (Discontinued by Manufacturer) : Electronics
![Reviving a Hi-Fi Classic: the Harman/Kardon A-401 Stereophonic Control Amplifier | Nuts & Volts Magazine Reviving a Hi-Fi Classic: the Harman/Kardon A-401 Stereophonic Control Amplifier | Nuts & Volts Magazine](https://www.nutsvolts.com/uploads/articles/NV_0715_Koebel_Large.jpg)
Reviving a Hi-Fi Classic: the Harman/Kardon A-401 Stereophonic Control Amplifier | Nuts & Volts Magazine
![Amazon.com: Harman/Kardon AVR2600 7 x 65W 7.1-Channel A/V Receiver (Discontinued by Manufacturer) : Electronics Amazon.com: Harman/Kardon AVR2600 7 x 65W 7.1-Channel A/V Receiver (Discontinued by Manufacturer) : Electronics](https://m.media-amazon.com/images/I/51YZ07MsRWL.jpg)
Amazon.com: Harman/Kardon AVR2600 7 x 65W 7.1-Channel A/V Receiver (Discontinued by Manufacturer) : Electronics
![Amazon.com: Harman Kardon AVR-254 7x50W 7.1-Channel Home Theater Receiver with HDMI 1.3a Repeater (Discontinued by Manufacturer) : Electronics Amazon.com: Harman Kardon AVR-254 7x50W 7.1-Channel Home Theater Receiver with HDMI 1.3a Repeater (Discontinued by Manufacturer) : Electronics](https://m.media-amazon.com/images/I/71NsIgWYk+S._AC_UF1000,1000_QL80_.jpg)