My 705 microphone manual shows pin 4 as Plus Electret Voltage (7 to 14) VDC).
My Omni VI+ manuas shows the transciever supplying +4 volts to the mic,
although no-load measurement at the mic connector shows 9.44 volts using a
Fluke 77 multimeter.
The only modification shown in the 705 manual is to a Corsair Transciever.
I hope this helps. Also, at the risk of sounding like a broken record, I cannot
overemphasize the value of manuals for all your TenTec gear. The absolute best
first source for this information is TenTec. Their tech line is also the best
if you need help
Dave
WA3MKB
-------------- Original message --------------
From: "David & Chris Drake" <drakes@psci.net>
> Don't remember for sure without looking it up. But I think 9-12v. The mic
> runs off a 9v battery if not getting power directly, so it would make sense
> it needs around 9v to work.
> David
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of Greg Kuczek
> Sent: Monday, February 04, 2008 9:15 AM
> To: Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] 705 Mic Low Output Help Request
>
>
> I'm running it thru the jack. I haven't checked the voltage at the jack yet,
> thanks. Do you know what the voltage should be?
>
> 73
> Greg W9VOX
>
> David & Chris Drake wrote:
> Are you running the 705 by battery or through the Omni V? If through the
> Omni V, check the voltage at the jack first. If by battery, check the
> battery. Then check the plug before going inside it.
> Good luck,
> David
>
> ----- Original Message -----
> From: "Greg Kuczek"
> To:
> Sent: Sunday, February 03, 2008 10:23 PM
> Subject: [TenTec] 705 Mic Low Output Help Request
>
>
> >I have a 705 mic that I am having low output problems when used with an
> >Omni V. I've read that you can change out the R11 resisitor to 3300 ohms to
>
> >help correct this. Unfortunately I don't have a schematic or any
> >documentation to help me locate this resistor. Any help identifying R11
> >would be appreciated.
> >
> > 73 de Greg W9VOX _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
> >
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|