[Milsurplus] headsets

[WA5CAB at cs.com]

Ref SIG 5 and TM 11-487:

R-2-A          12,000 ohm
R-15            12,000 ohm
ANB-H-1      300 ohm     (two in series 600 ohm)

In a message dated 11/22/2006 3:53:46 PM Central Standard Time, 
signetics at netzero.com writes: 
> 
> The bridge has a 1000 cycle generator
> ----- Original Message ----- 
> From: <WA5CAB at cs.com>
> To: <signetics at netzero.com>; <Milsurplus at mailman.qth.net>
> Sent: Wednesday, November 22, 2006 10:37 AM
> Subject: Re: [Milsurplus] headsets
> 
> 
> >Phil,
> >
> >What frequency did you measure the impedance at?
> >
> >In a message dated 11/22/2006 7:39:15 AM Central Standard Time, 
> >signetics at netzero.com writes: 
> >>Having some time on my hands, a bridge and some
> >>earphones, I measured the inductance and impedance
> >>of the earphones.
> >>
> >>single headset type R2A  1.49h and Z=10k
> >>single headset type R15   1.95h and Z=10k
> >>
> >>headset consisting of two earphones:
> >>type  ANB-H-1    0.2h and Z=3.3k
> >>I believe all of the above are military

Robert Downs - Houston
<http://www.wa5cab.com> (Web Store)
MVPA 9480
<wa5cab at cs.com> (Primary email)
<wa5cab at houston.rr.com> (Backup email)
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