I use a "Y" adapter to power my P3 (no VGA) and W2 watt meter from the
K3 12V output. Before upgrading to the KXV3B, I used 2 "Y" adapters to
power the 6M pre-amp as well and never had any problems.
Mike, KI0HA
On 11/19/2017 06:15, G4GNX wrote:
Hi Don.
Thanks for the info.
I performed the 1 Amp mod on my K3 myself, so I'm quite sure it's 1A
capable and yes it does have the 1A label.
I'll look for a quality adapter. As they're normally meant for audio
work, I was a little concerned that the internal wiring might only be
intended to carry milliamps.
73,
Alan. G4GNX
-----Original Message----- From: Don Wilhelm
Sent: Sunday, November 19, 2017 12:04 PM
To: G4GNX ; Elecraft Reflector
Subject: Re: [Elecraft] P3 with SVGA
Alan,
Look at the label on your K3 12 volt output jack. Does it say 0.5 amp
or does it say 1.0 amp? The 12v change includes a sticker to re-label
the jack.
Yes, you could use a "Y" adapter, but use a good quality one so you
don't have a significant voltage drop due to loosely fitting connectors.
73,
Don W3FPR
On 11/19/2017 6:49 AM, G4GNX wrote:
I just assembled the P3 kit which includes the SVGA adaptor and the
TX monitor.
In the original instructions, there’s a warning not to use the P3
with SVGA adaptor, taking power from the K3’s 12 volt output.
However, there’s a reference to the 1 Amp K3 modification in a later
full manual for the P3, which says it’s OK to use the P3+SVGA,
provided older K3s have the 1 Amp mod.
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