No, you won't hear a dip because the TW1 is only a power out reading.  You 
are not actually reading the meter of your amp.

Steve
----- Original Message ----- 
From: "Michael Ryan" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, March 17, 2014 7:06 PM
Subject: Plate dipping with a TW-1


> Hi all:=20
>
> Ever since I learned how to operate tubed gear with my TW-1,=20
> I've never heard the pitch decrease to indicate a dip in plate. I've =
> always used the increase or decrease in pitch to indicate an increase or =
> decrease in forward or reflected power etc.=20
> I was also taught to always go for max power with adjusting the plate =
> and load controls of an amp and then reduce the drive.=20
> So should I in fact hear a decrease in pitch if the plate is dipped, if =
> so, never have heard it. LOL=20
> It also makes sense to set the load for an initial setting and then =
> don't readjust it for the final tune up drive level,=20
> as in my case with the 811H, suggested by Tom, W8JI who was in charge of =
> the 811 line for Ameritron before they were bought out by MFJ=20
> The way it was described was the 2 or 3 prior light drive loads don't do =
> anything.=20
> The main thing with tubes is the grid and plate currents and keeping =
> them below there max ratings and everything's fine.=20
> In the case of my 102 and amp, my outputs are below the maxes and I'm =
> delivering specified power outputs.=20
> On another note, Tom wants to work with me in developing a grid =
> announcing or tone generating device and I suggested connecting an =
> oscillator to the amps ALC, from what I understand and it would activate =
> when the 200 of grid current would be reached.=20
> Perhaps he might refine something which could include the plate current =
> as well, if that's even possible.=20
>
> 73:=20
> Mike VO1AX=20