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Page 17 of 22
© 2006 ANACON Technology
Remove the DMM (-) lead
from the GND test socket
and insert it into the
other red test socket Vtb.
Observe the DMM
reading, if it is higher
than 2mV you need to
adjust the Bias Balance.
Insert the screwdriver
into the Balance trimpot
and adjust for 00 reading
on the DMM.
Let the amp warm up
properly for about 15-20
minutes.
Take a new bias level
reading every few minutes
and at the end of
warming up period make
final fine adjustments of
both Bias Level and
Balance.
BIAS VALUE RANGE FOR 7591A TUBES:
SILICON RECTIFIER
25-30
TUBE (GZ34)
30-35
Содержание TUBEWONDER
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