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1. [Amps] Parasitic suppressors on GI-7B. (score: 1): Author: robert briggs <vk3zl@bigpond.com>; Date: Sun, 10 Sep 2006 16:57:00 +1000; I am just completing the RF deck on my new 2 x GI-7B(T) HF amplifier. I note on all available information that there are parasitic suppressors pictured on all the retrofitted amplifiers.There seems t; /archives//html/Amps/2006-09/msg00161.html (7,029 bytes)
2. Re: [Amps] Parasitic suppressors on GI-7B. (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Sun, 10 Sep 2006 17:21:32 +0200 (CEST); VK3ZL asked abput parasitic suppressors......... At the risk of another AMPS reflector war.... If the parasitic circuitry of the anode is resonant below that of the grid, it won't oscillate. The GI7B; /archives//html/Amps/2006-09/msg00174.html (9,756 bytes)
3. Re: [Amps] Parasitic suppressors on GI-7B. (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Mon, 11 Sep 2006 07:18:18 +0100; 2W or 3W metal film resistors are the modern substitute for solid carbon. The inductance is slightly higher, but not seriously so, and it can be reduced by paralleling two or more higher-valued resis; /archives//html/Amps/2006-09/msg00180.html (8,634 bytes)
4. Re: [Amps] Parasitic suppressors on GI-7B. (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Mon, 11 Sep 2006 22:04:59 +0200 (CEST); carbon.< Where I somewhat disagree is that 2 or 3 watt resistors provide enough dissipation. However, like all these things 'it all depends' If you have a tube prone to parasitics and needing a large; /archives//html/Amps/2006-09/msg00183.html (8,254 bytes)

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