I have a 544 and the 580 and I get the best reports with my D-104. I think the
talk that it was not a SSB mike may have come from Astatic themselves when they
came out with the 10-D mike which was promoted as a SSB mike. It was a good
mike and I used it for years with my Drake TR-4.
when I recently traded for a 580 Delta I thought I would try the 10D on it.
Guys told me "Go back to the D-104 the audio is better. I have 2-D104's. My
daughter N3GIG has a D-104 with her Atlas 210X. My granddaughter has a D104
with her TR-3.
Paul, KD3JF
N4NT <mike_n4nt@embarqmail.com> wrote: This is absolutely untrue in my
experience. I have compared microphones on
the Triton 544 and ALWAYS the listeners prefer the D-104. Folks who know me
in person say the D-104 has the best representation of my voice. Based on
my experience, the D-104 is FAR from being a crappy microphone!
73, Mike N4NT
----- Original Message -----
From: "Dr. Gerald N. Johnson"
To:
Sent: Friday, November 16, 2007 11:36 AM
Subject: Re: [TenTec] Using a comptuer microphone with a Triton 4 (544)
>
> The D-104 is a crappy microphone for SSB, always has been. It has a
> rising characteristic intended (in the 30s) to emphasize the highs at
> the transmitter that were rolled off in the typical AM receiver IF
> selectivity that had a very rounded pass band. Further the crystal and
> ceramic D-104 were designed to work with a very high impedance load for
> solid state, preferred load a megohm. Today a high impedance solid state
> audio input impedances is likely to be under 100K. That load on a D-104
> changes it from rising to peaked and falling, makes it sound muffled. It
> it still had the rising characteristic with the solid state input Z, it
> can overdrive audio and balanced modulator with audio components
> rejected by the SSB filter unless in super wide SSB mode which draws a
> lot of fire on the bands.
>
> Yes, I have a D-104 (case) hooked to my Corsair II. The cartridge is a
> Shure limited bandwidth communications element no longer made.
>
> 73, Jerry, K0CQ
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