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Re: The shunt capacitance of grid and anode chokes [message #31533 is a reply to message #31530]

Sat, 03 December 2005 13:50

Damir
Messages: 1005
Registered: May 2009

Illuminati (2nd Degree)

For example, grid chokes I ordered have L=1700H and Rw=8kOhms. The AC impedance on the lowest frequency of interest is Z=2Pi*f*L = 2*3,141*20*1700 = 213,6 kOhms (as our Rg=220k we substituted), and even higher on higher frequencies (not infinitely, HF losses - Cw, etc.).
Good for the driver "point of view", and very good from output tube side - only 8k DC resistance in grid circuit.
But, even manufacturer (AE-Europe) doesn`t have Cw data - can be critical in combination with high rp driver.
Despite technical imperfections, the main reason is "better" sound. I do not have experience here, will report when I get them

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[Message index]

		The shunt capacitance of grid and anode chokes By: Damir on Fri, 02 December 2005 06:37
		Re: The shunt capacitance of grid and anode chokes By: PakProtector on Fri, 02 December 2005 14:29
		Re: The shunt capacitance of grid and anode chokes By: Damir on Sat, 03 December 2005 06:17
		Re: The shunt capacitance of grid and anode chokes By: Manualblock on Sat, 03 December 2005 06:43
		Re: The shunt capacitance of grid and anode chokes By: PakProtector on Sat, 03 December 2005 09:38
		Re: The shunt capacitance of grid and anode chokes By: Manualblock on Sat, 03 December 2005 13:33
		Re: The shunt capacitance of grid and anode chokes By: Damir on Sat, 03 December 2005 13:50
		a much more succint explanation than mine :=)) By: MQracing on Sat, 03 December 2005 14:16
		this makes an interesting assumption... By: PakProtector on Sat, 03 December 2005 15:27
		Re: this makes an interesting assumption... By: Manualblock on Sat, 03 December 2005 19:44
		I think I can guess the origin of that quote.... By: MQracing on Sat, 03 December 2005 22:12
		Re: I think I can guess the origin of that quote.... By: Manualblock on Sun, 04 December 2005 07:15
		Re: I think I can guess the origin of that quote.... By: Damir on Mon, 05 December 2005 11:50
		oscillation By: PakProtector on Wed, 07 December 2005 16:31
		Re: this makes an interesting assumption... By: PakProtector on Sun, 04 December 2005 04:57
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sat, 03 December 2005 14:13
		Re: The shunt capacitance of grid and anode chokes By: Manualblock on Sat, 03 December 2005 19:38
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sat, 03 December 2005 22:25
		perhaps this will be more intuitve... By: MQracing on Sat, 03 December 2005 14:59
		Re: perhaps this will be more intuitve... By: Manualblock on Sat, 03 December 2005 19:36
		Re: perhaps this will be more intuitve... By: MQracing on Sat, 03 December 2005 22:19
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sat, 03 December 2005 08:55
		Re: The shunt capacitance of grid and anode chokes By: Damir on Sat, 03 December 2005 12:00
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sat, 03 December 2005 12:14
		Re: The shunt capacitance of grid and anode chokes By: Damir on Sat, 03 December 2005 13:34
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sat, 03 December 2005 13:56
		Re: The shunt capacitance of grid and anode chokes By: PakProtector on Sat, 03 December 2005 15:43
		which is to say.. By: PakProtector on Sat, 03 December 2005 16:03
		Re: which is to say.. By: Damir on Sun, 04 December 2005 09:57
		Re: which is to say.. By: MQracing on Sun, 04 December 2005 10:12
		Re: which is to say.. By: PakProtector on Sun, 04 December 2005 11:09
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		300B cascode + grid choke Spice simulation By: Damir on Sun, 04 December 2005 09:36
		Re: 300B cascode + grid choke Spice simulation By: MQracing on Sun, 04 December 2005 10:52
		Re: 300B cascode + grid choke Spice simulation By: Damir on Sun, 04 December 2005 13:17
		good dialogue By: MQracing on Sun, 04 December 2005 19:13
		Re: good dialogue By: Damir on Mon, 05 December 2005 04:26
		One more thing... By: PakProtector on Tue, 06 December 2005 18:04
		Re: One more thing... By: Damir on Tue, 06 December 2005 23:23
		gapping zeroe DC inductors By: PakProtector on Wed, 07 December 2005 04:05
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53
		Re: The shunt capacitance of grid and anode chokes By: MQracing on Sun, 04 December 2005 07:53

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