ADA PTM-850 Amplifiers

ADA PTM-850 Amplifiers 


  • 1U Fan Cooled Chassis
  • Torroidal Power Transformer
  • 300 Watts Maximum Power Consumption
  • 115 VAC Fuse Value 2.5A Slow Blow
  • 230VAC Fuse Value 1.25A Slow Blow


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[Nov 18, 2020]
Todd TheTVMD


One hell of an amp. DO NOT be fooled by it's size. Rated 50w at 8ohm 75w at 4ohn , and can do 125w at 2ohm RMS. And is high current in all 8 channels. So you can get those high peaks needing lots of power. Thing is built like a tank. 81,600 uf of POWER STORAGE!!!! It is like a 8ch ver of the Famous Proton AA-1150. Huge power transformer. And is also is multi speed fan cooled. Has a cool led display, that can be turned off. So it won't distract you from your movie. It has 5 triggers. So you can run the whole amp. Or only the zones you need. Plus bypass mode. If I would have to compare this amp to a car? It would be a Mazda Miata with an engine out of a Bugatti. And the bigger version. The 6150 is this amp on steroids. Love them both. They are both extremely versatile. And can make an audiophile impressed.


Only two issues. One the fan is slightly noisier, then most fan-cooled equipment. As it is designed to be put in a rack and out of sight. If it's in a cabinet? You won't notice it at all. And the other issue is Ada is no longer in business. That's my biggest complaint. Lol. So if you get a chance to get one of these? Jump On It!!! You won't be disappointed

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