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<blockquote data-quote="amprepairman" data-source="post: 6658477" data-attributes="member: 618082"><p>I&#039;ve been bench testing and also doing distortion anilizing(spelling) on every amp Ive worked on over the years when I get done fixing them..including many many hifonics ever sense series 7 which were my favorites...generally the ones zed made were underrated at least a little..I just fixed a zed US acoustics 2050 and got about 64 a channel out of it...both channels driven at 4 ohms using a 1k signal at less than 1% distortion(on load resistors)..so that one wasnt much more but it was over the advertised rating...I could have driven it higher but I do my tests before hitting 1% cause in my opinion anything over 1% is dirty...but as we know some amps are rated at crazy figures like 2 and 3% distortion...Hi Fonics has a ton of history and is one of my favorite amps out there at least the old ones..They hold many benchmarks from the car audio world and hold the &quot;first of&quot; in many classes...go to ZED&#039;s website and you can learn more about the early history of hi-fonics...not every one was perfect but most were way above and beyond what they were claimed to be...I have been the proud owner of many old school hi-fonics amps over the years and still like them today...</p></blockquote><p></p>

[QUOTE="amprepairman, post: 6658477, member: 618082"] I've been bench testing and also doing distortion anilizing(spelling) on every amp Ive worked on over the years when I get done fixing them..including many many hifonics ever sense series 7 which were my favorites...generally the ones zed made were underrated at least a little..I just fixed a zed US acoustics 2050 and got about 64 a channel out of it...both channels driven at 4 ohms using a 1k signal at less than 1% distortion(on load resistors)..so that one wasnt much more but it was over the advertised rating...I could have driven it higher but I do my tests before hitting 1% cause in my opinion anything over 1% is dirty...but as we know some amps are rated at crazy figures like 2 and 3% distortion...Hi Fonics has a ton of history and is one of my favorite amps out there at least the old ones..They hold many benchmarks from the car audio world and hold the "first of" in many classes...go to ZED's website and you can learn more about the early history of hi-fonics...not every one was perfect but most were way above and beyond what they were claimed to be...I have been the proud owner of many old school hi-fonics amps over the years and still like them today... [/QUOTE]

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