Tnx for the info. Further experimentation shows that I can back off the
mic gain to 55 or 60 on SSB, but it still wants 75 or so on AM. If I go
past +12 dB of H/W mic gain, it begins to sound distorted, to my ears
anyway.
One more thing I found is that setting the bass roll-off to 80 Hz, as
recommended, produces some popping sounds, again with my voice. Raising
the
roll-off freq to 150 Hz cures the problem.
Anyone else have experience with the 707 mike?
73 Ray W2RS
In a message dated 6/30/2010 3:41:00 A.M. GMT Standard Time,
jruing@ameritech.net writes:
That makes perfect sense to me, as I believe your new microphone has a
dynamic type of microphone element, whereas you indicate your previous
microphone has an electret condenser type element. Dynamic mics
typically have a substantially lower output signal strength (sometimes
referred to as "open circuit voltage" or "open circuit sensitivity")
than electret condenser mic elements, which typically run substantially
hotter - and many computer type electret condensers run quite hot.
I would likely boost the hardware gain a bit more, so that I could run
the rig mic gain at about 50 % - I am under the impression the rig AGC
likes it better that way. I will leave it to others to explain better
than I why, but that is what seems to work best in my experience.
This is consistent with other applications - I used to test microphones
and write product reviews for use with speech recognition software and
encountered the same thing as you find with your rig.
Hope this helps some.
========================= K8JHR ==============================
On 6/29/2010 8:10 PM, Rsoifer@aol.com wrote:
I have H/W mic gain set to 12 dB and the front panel MIC set to 75.
With
the 706 condenser mike, I set H/W mic gain to 6 dB and front panel MIC
to
60. I have a rather soft speaking voice, but the 707 seems to need a
lot
more gain than the 706.
Does anyone else have experience with this to share?
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