[Yaesu] For Sale MD-100a8x 5 Volt Audio Filter Mod Kit

[Thomas Giella KN4LF]

For Sale Yaesu MD-100a8x 5 Volt Audio Filter Modification Kit=20

Many of us who own the excellent MD-100a8x desk microphone are painfully =
aware that we can not use
the built in audio filtering on many of Yaesu's rigs. The MD-100a8x was =
designed to be used with the popular FT-1000MP series and also the =
FT-900 and I think the FT-920. Rigs such as the FT-1000/D, FT-990, =
FT-890, FT-840, FT-757GXII, FT-747GX and others will not work with the =
internal active filtering of the mic, as these rigs do not supply the 5 =
volts output on the 8 pin male microphone plug necessary to power the =
mic.=20

In the past Yaesu made available a technical bulletin that described a =
modification to allow the internal audio filtering of the mic to be used =
with most of it's modern transceivers. Unfortunately though the mod was =
complex and required physical changes to the rig and microphone that =
could be irreversible.=20

I have designed a modification kit that overcomes the invasive and =
complex changes to the rig and microphone, to allow
use of the internal audio filtering. The mod kit comes with explicit =
directions, photographs and schematics, much like a Heath kit. The kit =
building level experience needed is just above beginner, requiring some =
simple soldering and the cutting of one easily restorable circuit board =
trace inside the mic.

The modification kit costs $29.95 plus actual USPS shipping costs. For =
an additional $10.00 I will build the kit and all you have to do is cut =
the one circuit board trace inside the mic.

For more information and questions email me at kn4lf@tampabay.rr.com . =
Later today I will place the mic mod on eBay and will post it back on =
the Yaesu email reflectors.


73,
Thomas F. Giella, KN4LF
Plant City, FL, USA
EL87WX

Florida Space & Atmospheric Weather Institute:
http://www.kn4lf.com/fsawi.htm

Friend Website Design Studio:
http://www.kn4lf.com




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