Harman Kardon Harman HK 990 Amplifier "trouble recovering" Questions

Ad

...recovering my investment on an amp which I have not been able to use even once. I bought it used. 1.Is the fault caused by an optical or coaxial input or both? 2. Have you tried a Firmware Reset? ...

Ad
Not finding what you are looking for?
Harman Kardon Harman HK 990 Amplifier Logo

22 questions posted

Ask a Question

Usually answered in minutes!

Top Harman Kardon Audio Players & Recorders Experts

 Grubhead
Grubhead

Level 3 Expert

5755 Answers

John
John

Level 2 Expert

510 Answers

Sean Wright
Sean Wright

Level 3 Expert

2045 Answers

Are you a Harman Kardon Audio Player and Recorder Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...