|
OTL Asylum OTL, Output Transformerless Amplifier User Group. |
|
|
|
OTL Asylum OTL, Output Transformerless Amplifier User Group. |
|
In Reply to: RE: Need Futterman H3aa schematic and biasing instructions posted by adam2a3 on September 15, 2013 at 00:46:20:
The (zero) balance reading refers to getting exactly the same voltages on the upper and lower screens, ie no difference in readings (zero)
upper 167.3v - lower 167.3v.
the bias should be set at 85v.
you will not be able to adjust or ballance the upper and lower grids on that amp, unlike the OTL-3 there is no provisions in place to do that, you will have to ballance the same way Julius did, with a handfull of zener diode's.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: Need Futterman H3aa schematic and biasing instructions - rhinohifi714 08:18:49 09/15/13 (2)
- RE: Need Futterman H3aa schematic and biasing instructions - adam2a3 16:35:31 09/15/13 (1)
- RE: Need Futterman H3aa schematic and biasing instructions - rhinohifi714 18:55:47 09/15/13 (0)
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2024, Audio Asylum, all rights reserved ]
