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RE: When you get "Serious" about building SE amplifiers you get ones of these

Posted by multiblitz (A) on June 4, 2017 at 03:38:51

In Reply to: When you get "Serious" about building SE amplifiers you get ones of these posted by used-hifi on February 9, 2017 at 19:30:45:

I have bought one of these XJW01 and I am trying to measure the inductance of my Lundahl Double-C primaries interstage transformer....and I am confused by the results:

When I switch kt on, kt goes into Auto and 1khz measurement frequency and when the primary is connected, kt gives me for a fraction of a second a measurement of above 200H (target:210H for a LL1692AMPP). After that it falls down to about 24H, which is significant lower than expected.

When I press theRNG=Range-Buttom, it shows me again for about a second or so a high valje like 175H before it goes back to 24H.

So, the questions is: What is the correct result ?

You could have the impression that its PSU is not steong enough to deliver enough juice to hold the right measurement or something....Which would not bother me if I would know that the first second shows indeed the right result...

I do not understand why pressing the RNG buttom first gives me a new measurement and than goes back....can you reproduce my findings ?

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