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since you mentioned Qes and R [message #38357 is a reply to message #38353]

Wed, 18 September 2002 18:44

Sam P.
Messages: 307
Registered: May 2009

Grand Master

I thought I would ask about how significant that 0.5 ohm dcr might be. My sansui 5000a has a damping switch on the rear. The two settings give either 50 or 15 for the Df using an 8 ohm load. And all the switch really does is...tada!, add a 0.3 ohm resistor in line with the speaker output.
Maybe because the output is via a bigasscap(2200uF), but these specs show that 0.3 ohms added resistance cuts the Df in this instance by 2/3's. Doesn't that represent a reduction in the amps ability to control the motor? Sam

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[Message index]

		alpha 10A frequency response By: bqc on Tue, 17 September 2002 05:48
		Re: alpha 10A frequency response By: Wayne Parham on Wed, 18 September 2002 02:02
		Re: alpha 10A frequency response By: Chris Rose on Wed, 18 September 2002 03:26
		Re: alpha 10A frequency response By: Oscarl on Wed, 18 September 2002 05:31
		Re: alpha 10A frequency response By: Wayne Parham on Wed, 18 September 2002 11:14
		Re: alpha 10A frequency response By: Matts on Wed, 18 September 2002 11:43
		Re: alpha 10A frequency response By: Wayne Parham on Wed, 18 September 2002 13:41
		Who could forget the "live, naked resistors"? By: BillEpstein on Wed, 18 September 2002 16:55
		Re: Who could forget the "live, naked resistors"? By: Wayne Parham on Wed, 18 September 2002 17:34
		since you mentioned Qes and R By: Sam P. on Wed, 18 September 2002 18:44
		Re: since you mentioned Qes and R By: Wayne Parham on Wed, 18 September 2002 20:07
		subjectively in the "low" damp position By: Sam P. on Thu, 19 September 2002 04:42

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