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Discrete Op-Amp shootout.
Old 9th February 2014
Lives for gear

if anyone is looking for an amazingly cheap and cool germanium 500 series pre (ive got 2 and theyre brilliant. They have a natural compression that just dont need eq- mostly) and the best opamps [email protected] - thats the man right there. He deserves all the attention an sales he gets
Old 1st March 2014
Lives for gear
skillz335's Avatar
with options 1-4 on my playback system I liked the SGA SOA's a bit more even though the red dots seemed brighter. Overall I liked the brick the best though. Thanks for taking the time to do this comparison.
Old 9th August 2019
Gear Maniac
Is it ok to use the Hardy 990 with the hair all audio elements series?

Originally Posted by Hairball Audio View Post
A little info on why you should use a low ratio input with a 990 from the man himself:

John Hardy on his selection for an input transformer - YouTube

I agree with Jeff that if your goal is to do an opamp "shootout" with a circuit using a high ratio input transformer, you're setting up the 990 at a disadvantage. One of it's key features is low input noise and it wants a lower impedance at it's input to achieve that.

You can use whatever you want and you may dig it, hate it, or not really care. But is the realm of a "shootout" I wouldn't compare a 2520's and 990's in the same circuit.

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