The formula is always the same. 1.24V times the gain + the tiny amount of the adj current. Either do as UV101 suggests or increase the 100k resistor. Dropping the 500 ohms is probably the better of the two as it adds a bit of current draw and will likely lead to less variation with load.
Actually it's 1.7mA for a channel so 3.4 mA for both . I didn't want to mess with it too much. ( the psu unit ) I don't know why people who made it went for Maida regulator . I put Cree Shottky rectifier diodes , dropped resistor from 500R to 420R and it took care of the business. I will listen to it a little (sounds pretty good )and than maybe go passive with chokes and tube gas regulators . Thank you for your help. Best Regards, L
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