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Archived Sound Lab Owners Forum - Please go to http://www.soundlabowners.com/cgi-bin/yabb2/YaBB.pl  /  General Discussion  /  THe brilliance control
Posted by: 36 (Guest), April 27, 2013, 10:49am
I know that many members have eliminated the brilliance control, but I was wondering if it functions like the other switches for mids and bass: all the way up (like 5 o' clock) would be + 3dB, while 12 o' clock would be 0 and all the way down (7o' clock) would be -3.  I find that with the new toroids, my M-1 PX's  sound best with the brilliance control set a little before 12 0' clock. The mid switch is at 0 dB and the bass is at -3 dB.
Posted by: 27 (Guest), April 27, 2013, 8:02pm; Reply: 1
You have a $50,000 system (at the least) running through a $30 "brilliance control."

Use a 300 watt fixed resistor if you have to, but get rid of the pot.

You have not heard good highs till you do it.
Posted by: 36 (Guest), April 28, 2013, 11:27am; Reply: 2
OK: if the knob is set at 12 o'clock, what would the resistance be?
Posted by: 27 (Guest), April 29, 2013, 12:14am; Reply: 3
If you do not have a multi meter, perhaps it is best to leave it.
Posted by: 36 (Guest), April 29, 2013, 6:12am; Reply: 4
I can measure the resistance, but I thought that it would be reasonable to have a range of resistors on hand before I take the backplates apart. Another issue is that it seems that every time I put in something new (PX panels, new caps in the RC network, etc.) the sound is very bright until the new part is broken in. I seem to remember that someone suggested a selector switch with a range of resistors. What would that range be? Please advise.
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