[VoIP] WE Earpiece impedance?
Steph Kerman
stfkerman at jps.net
Wed Apr 23 15:27:03 CDT 2008
I think an HA1 may be 135 ohms. There are also 300 and 600 ohm versions.
Steph
Dennis D Hock wrote:
> I am pretty sure it is 135 ohms for a std U1. Please feel free to refresh my memory.
>
> Thanks,
>
> Dennis Hock
>
> -----voip-bounces at ckts.info wrote: -----
>
>
> To: voip at ckts.info
> From: Donald Froula <dfroula at sbcglobal.net>
> Sent by: voip-bounces at ckts.info
> Date: 04/23/2008 03:12PM
> Subject: [VoIP] WE Earpiece impedance?
>
> Would anyone know the nominal impedance of the
> earpiece from a handset from an old Western Electric
> "500" desk set? I can't seem to find the info on any
> of my schematics or by Google.
>
> Thanks,
>
> Don
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