Mike -
Welcome!
Rather than tear up the rear panel of this receiver, it HAS a threaded ground stud. Use that to
connect it to the transmitter, which has a similar stud, and put your three wire power cord on the
AC-4.
There is no reason to butcher a 3-wire power cord into the receiver.
The transmitter should put out at least 120W on CW. How much output do you get in TUNE mode? The
transmit ALC kicks in around 130W output and you should reach that output at about 11 o'clock of the
GAIN control. It is normal to have to increase the GAIN control in CW for maximum output, sometimes
at 2 o'clock or more.
If this is your first tube transmitter, read the manual CAREFULLY and be sure you understand the
tune up procedure. If you're unsure about anything, ask here or elsewhere for clarification.
Improper (slow) tune up, i.e., off resonance, can destroy the PA tubes fairly quickly. One KEY
concept to keep in mind is that the FIRST and LAST thing you do when tuning is to _DIP THE PLATE_
control.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>
Mike M wrote:
Hello -
I just bought a set of B-line equipment and I am eager to get it up and running. My elmers ran B
or C line gear and I've always wanted to have a set of my own.
As far as I can tell, both the T-4XB and the R-4B work fine. I think the transmitter is putting
out about 40 watts on CW. My first project is going to be to install three conductor power cables
on both the receiver and the power supply.
I'm looking forward to learning more about these great radios on this list!
73,
Mike, AL7MM
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