1) Oops... Not owning a HEIL Proset ... I missed the fact it comes
with a 1/8 inch phone plug. Another list member politely told me
that, also... Apparently, I need to be more rigorous when doing my
homework.
2) With due deference to HEIL headsets which I concede are VERY
popular among ham operators, I do not think of HEIL headsets when
thinking state of the art in headset connectivity. While
acknowledging the popularity of HEIL headsets among hams, HEIL is only
one among a bevy of headset manufacturers in the overall audio market,
and the 1/8 inch phone plug is NOT a standard connector except at HEIL's
house.
I have been a headset junkie for many years, and I am confident, except,
perhaps, for the HEIL products mentioned, a 1/8 inch mono plug is NOT
standard equipment on these things. I either own now, or have owned,
headsets by Sennheiser, Shure, AudioTechinica, BeyerDynamic, Eartec,
Telex, AKG, Andrea Electronics, Samson, Knowles, Emkay, and many more.
I am familiar with the Pro-Com and Clear-Com lines and with the top
selling selling aviation headset lines.
Outside the HEIL line, these things do not commonly come with 1/8 inch
mono phone plugs. I only have one headset, the Shure, the HW-501,
discontinued in the late 1990s, that has a 1/8 inch mono phone plug.
That is just MY take, anyway... I guess I am guilty of confusing the
ham radio headset market (i.e., HEIL sets) with the broader headset
market, in general.
THANK YOU ALL FOR PITCHING IN AND ANALYZING THIS WITH ME.
I am thinking the easiest solution is to either buy a pile of battery
boxes to provide the required bias voltage,... or make some up myself...
instead of
trying to modify the innards of the Model 715, itself. I guess the
bottom line is that I would have wired it for bias voltage, had it been
my original design; and of anyone used a mono dynamic mic connector,
the bias voltage on the ring would shunt to ground on the plug shaft.
That would make it work like a computer sound card.
THANKS AGAIN FOR HELPING ME THINK THIS THROUGH !!!
------------------
Happy Trails.
======================= Richards / K8JHR =========================
On 5/26/2011 16:21, Barry N1EU wrote:
> If there is A standard in terms of mics/headsets, it could be argued
> that it's the Heil Pro Set and YES, it provides a 1/8 mono plug. At
> least my two Pro Sets bought in the 2000's both are wired with a 1/8
> mono plug for the mic and 1/8 stereo plug for the headset.
> ___________________________________________________________
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