[Johnson] D104 Replacement elements

Glen Zook gzook at yahoo.com
Wed Jan 31 13:23:57 EST 2007


The output impedance is 25K ohms.  Sensitivity is
rated at -55 dB @ 1000 Hz (1 KHz).  Response is 50 Hz
to 8000 Hz (8 KHz).

I am using the element on my boat anchor transmitters
which include Collins 32S-1, 32S-3, Heath SB-401,
SB-110A, DX-100, TX-1 Apache, WRL Globe Champion 350A,
and Hammarlund HX-50A (among others).  When compared
with my D-104 that has one of the last D-104
replacement cartridges sold by Astatic before they
discontinued the D-104 the on-the-air reports are at
least as "good as" and often "better than" the
original D-104 element.

Glen, K9STH


--- Rich Soennichsen <rsoennichsen at gmail.com> wrote:

What is the input impedance?









Glen, K9STH

Website:  http://k9sth.com


 
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