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1. [AMPS] 4-400's (score: 1): Author: sbookout@mnsinc.com (Steve); Date: Tue, 09 Feb 1999 08:49:20 -0500; Hello all, I've been reading with considerable interest the results Frank, W3LPL and others in recent days, have had with setting up G-G tuned inputs in a passive manner. I am putting the final touch; /archives//html/Amps/1999-02/msg00274.html (7,572 bytes)
2. [AMPS] 4-400's (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Tue, 9 Feb 1999 20:01:43 -0600; Input impedance of 4-400 according to Eimac: 2KV: 160 Ohms 2.5KV: 150 Ohms 3KV: 140 Ohms Halves these values for 2 tubes in parallel. 73, Jon KE9NA -- Jon Ogden KE9NA http://www.qsl.net/ke9na <-- CH; /archives//html/Amps/1999-02/msg00283.html (7,021 bytes)
3. [AMPS] 4-400's (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 9 Feb 1999 20:43:46 -0800; C1 should have 25 ohms of reactance for a Q of 2. Higher Q means less bandwidth. Lower Q means possibly unacceptable min. swr. . L and C2 are adj. for min. swr with the cathodes driven with at least; /archives//html/Amps/1999-02/msg00287.html (7,575 bytes)

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