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John Curl's Blowtorch preamplifier part III
John Curl's Blowtorch preamplifier part III
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Old Yesterday, 04:15 PM   #28051
mountainman bob is offline mountainman bob  United States
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Yes but shouldn’t one crawl a little while before walking.....plus i’m Thinking hybrid active/passive!
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Old Yesterday, 05:01 PM   #28052
indra1 is offline indra1  Indonesia
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Originally Posted by Joe Rasmussen View Post
... This is interesting, ...
It is quite trivial and common practice to measure inductance using an AC voltmeter with any AC source, does not matter voltage or current, please consult your EE friends.
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Old Yesterday, 05:30 PM   #28053
DPH is offline DPH  United States
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Originally Posted by mountainman bob View Post
Yes but shouldn’t one crawl a little while before walking.....plus i’m Thinking hybrid active/passive!
There's something to be said for that, but there's also something to be said for passive systems have a greater entanglement of parameters. Active makes it a lot easier to be much more direct in action. DSP takes it another step.
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Old Yesterday, 05:42 PM   #28054
mountainman bob is offline mountainman bob  United States
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Yes I’ve got some dsp in my R-N803 Yamaha and can now appreciate it enough to go further. Used to think it was useless......know different now.

Dbx driverack or minidsp SHD is on the shortlist

But I’ve kinda liked the looks of the RME adi 2 dac though....dsp just no biamping
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Old Yesterday, 06:11 PM   #28055
scott wurcer is online now scott wurcer  United States
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Originally Posted by indra1 View Post
It is quite trivial and common practice to measure inductance using an AC voltmeter with any AC source, does not matter voltage or current, please consult your EE friends.
The problem is in general especially the inductance of a speaker motor is level dependent, you really need to have a grasp of everything that is going on to make sense of the measurements.
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Old Yesterday, 06:59 PM   #28056
indra1 is offline indra1  Indonesia
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Originally Posted by scott wurcer View Post
The problem is ...
The toughy part is communicating circuit behavior to a virgin (of Kirchoff's law).
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