Arny Krueger
Guest
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 Posted:
Mon Nov 14, 2005 2:17 am Post subject:
Re: impedance questions with lynx one and old mic pre / head |
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"Bonzi" <chainsawhalos@hotmail.com> wrote in message
news:1131843247.173145.114440@z14g2000cwz.googlegroups.com
| Quote: | Resistance is impedance at DC. What you want to measure
is impedance around 1KHz.
This explains things. I don't imagine there is an AC ohm
meter that can output a 1kHz voltage and measure the
resistance (ie. an impedance meter?). Not that I would
need one, just curious what tools are out there.
In fact, the David Clark phones should be around 600
ohms impedance, maybe a little higher.
As I mentioned in my response to Mike Rivers, I
re-measured the impedance (it was late last night when I
initially read it) and it's
2.3k ohms (not 23k ohms) which is definitely closer to
600 ohms FYI.
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This is one of those questions that may be easier to deal
with by means of actual measurements.
I'd be prone manufacture a loop-back cable that would
include a headphone jack. I'd then get a copy of the freebie
Rightmark technical analysis program and see how the card
measures, both with no external load, and then with the
headphones in question plugged into the headphone jack.
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