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Sandbagger106
Member
Username: Sandbagger106

Post Number: 81
Registered: 11-2002
Posted on Wednesday, August 23, 2006 - 9:56 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Hi all, I have 3 different desk mics, Cobra #ca-61, Realistic #21-1173, and a Pro Trucker #ptbrb-5. I am looking for specs (impedence and mic element type etc.) I've been searching the web with no results. Do any copper members or techs have any info or links, they would be most appreciated. The realistic has a switch on the bottom and I don't know what it is for. Maybe hi /low impedence? Thanks for reading. scott.
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Hollowpoint445
Senior Member
Username: Hollowpoint445

Post Number: 1336
Registered: 6-2004
Posted on Wednesday, August 23, 2006 - 9:15 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
If they are powered microphones then the impedance is irrelevant. Radio Shack's support website says that the 21-1173 is an amplified dynamic microphone. I don't know anything about the others.

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