[Collins] 312B-4/5 wattmeter coupler query

[mmaseda at gte.net]

Sounds like it might be the 1000 watt version coupler.

>From: Yong Surk Lee <yonglee at yonsei.ac.kr>
>Date: 2008/07/31 Thu PM 11:51:45 EDT
>To: Collins at mailman.qth.net
>Subject: [Collins] 312B-4/5 wattmeter coupler query

>Hello;
>    I own a new coupler(rf pick up for wattmeter) which I am planning to use in a 312B-4/5.
>This coupler looks exactly the same as the one in 312B-4/5 but internal component values are different.
> This one has 
>R3=  6810 
>R4 = 7320
>R5 = 619
>R6 = 681 ohms which are different from the old one in the 312B-4/5.
>Can this coupler be used with 312B-4/5? 
>Or was this coupler made for different equipment?
>
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