[Elecraft] KPA1500 with P3 Transmit Monitor

[Nr4c]

The ATU is built-in. 

Sent from my iPhone
...nr4c. bill


> On Nov 2, 2017, at 2:14 PM, RIchard Williams via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> James,
> Am not sure why you need a tuner between the radio and the amp in the first place??  As of now, I have my K3S or K3 driving a Alpha 9500.  I never have used the tuner in either when driving the amp?  I assume the KPA9500 will have a 52 ohm input, and you would not need a tuner.
> Dick, K8ZTT
> 
>      From: James Wilson <w4rks73 at gmail.com>
> To: Elecraft <elecraft at mailman.qth.net> 
> Sent: Thursday, November 2, 2017 11:54 AM
> Subject: [Elecraft] KPA1500 with P3 Transmit Monitor
> 
> Looking at a draft of the KPA1500 amplifier, it appears
> that the only place to install  a TxMon or Wattmeter coupler
> is at the  -  output  -  of the built-in tuner.
> 
> At that point, it will always show the SWR of the
> coax feedline, not the SWR that the amplifier "sees" as
> adjusted by the built-in tuner.
> 
> Or, is there a coupler built-in inside the KPA1500 ?
> 
> What am I missing?
> 
> Jim - W4RKS
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