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In Reply to: RE: My 2 cents posted by rogerh113 on September 07, 2021 at 10:38:50
I built a 805 amp with monolith magnetic 3.5K output transformers with 16 Ohms local feedback, and it sounded great. Biased at +28V, it was driven by a mosfet source follower.
I went overboard using 211 as a driver :-). Its 2 chassis per monoblock. The power supply is a separate chassis. The parts selection was carefully chosen
- Coleman +ve Bias Supply
- Bartola Valves -- Ale's source follower modules
- Daitron low noise SMPS supplies
- amphenol 97 series connectors
I had the amp for 2 years before building a 211 driving 211 with monolith magnetics 15K output transformers, parts from the folks as above.
Repurposed the 805 to 211 driving 845 with MQ FS100 10K transformers I had on hand a friend.
Now I am planning a simpler 805 build, single chassis monoblocks with 5687 as the driver with EX001 plate choke as the plate load. Will reuse the same 3.5K output transformers.
I was just responding on 805 sound. Made well, they sound punchy, powerful and can handle any music thrown at them
thx
Follow Ups:
btw, the schematic is not updated to show ale's and coleman supplies, so the description does not match the schematic. They were driving zu audio definition speakers which are pretty efficient
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