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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: B+ for K&K CCS posted by HKL on July 18, 2003 at 19:47:11:
It turns out that the voltage drop across the current source necessary for correct operation as a current source is just a few volts. When you use the CCS as a plate load, you typically need a B+ in excess of the tube's operating point B+ by about, say, 15%-25% to allow for line voltage variation, assuming you don't have a regulated supply. The CCS turns the excess B+ above the tube's requirement into heat and maintains the constant current.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- Re: B+ for K&K CCS - KevinC 20:04:59 07/19/03 (1)
- Thanks! - HKL 20:12:02 07/19/03 (0)
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