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In the Forum: Analog Playback
In the Thread: 7788 tube mic pre design
Post Subject: E55L = 8233Posted by hagtech on: 1/1/2008
Yes, it is an E55L. I wonder how stable it is. Interesting to me how many of these "uber-tubes" are designed for RF operation. Should make a wonderful oscillator. The other find I came across was a pair of 6CL6. Makes me want to design all kinds of new amplifiers. The video amp schematic in the 6CL6 data sheet shows the exact series-shunt inductive peaking I used many years ago, but with transistors.
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