ECC81 MU-Follower consumption - diyAudio
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Old 7th October 2012, 10:15 PM   #1
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Default ECC81 MU-Follower consumption

How much current draws this ECC81 MU-Follower

http://www.freewebs.com/valvewizard1/Mufollower2.jpg

Last edited by merlin el mago; 7th October 2012 at 10:17 PM.
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Old 7th October 2012, 10:18 PM   #2
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Old 7th October 2012, 10:31 PM   #3
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(183.7V - 85V) / 33k ohms = 2.99mA
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Old 7th October 2012, 10:42 PM   #4
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It's really strange, I'm using AZ1 with two diodes UF4007 as rectifier, regulators is the Salas SSHV2, when used a 15K dummy load all is OK can set B+ to +280V but when I connect the Mu-Follower the AZ1 shines a lot, I have the reg set to 32mA, the reg ned 20mA spare for the regs own proper consumption to good output impedance spec.

Last edited by merlin el mago; 7th October 2012 at 10:45 PM.
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