[TenTec] Using a comptuer microphone with a Triton 4 (544)

N4NT mike_n4nt at embarqmail.com
Fri Nov 16 15:13:16 EST 2007


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" <geraldj at storm.weather.net>
To: <tentec at contesting.com>
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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