[Amps] AL1200 follow-up

Jim W7RY w7ry at centurytel.net
Sat Oct 13 10:20:05 EDT 2012


Glad you ordered the parts. That is an older amplifier. The newer ones are 
built slightly different.. That "copper" plated plumbers tape for the anode 
connector is not stock!  And it's WAY TO CLOSE to the plate choke! The plate 
choke looks fishy.... It’s supposed to be 3 sections of wire...

What happed to the original parts?

73
Jim W7RY



-----Original Message----- 
From: Brian Moran
Sent: Friday, October 12, 2012 10:55 AM
To: amps at contesting.com
Subject: [Amps] AL1200 follow-up

Thanks to all those that responded via the list or privately:

Although not listed in the parts section of MFJ's PDF catalog (well, I 
couldn't find it), an email to MFJ customer service yielded a speedy (2 
hour) response: the part number for the metal ribbon conductor as 10-10113-1 
SA, COPPER STRIPS, 5/16~ X .032, SILVER-PLATED.  A new plate choke ("just 
buy it" suggested W7RY) from MFJ would be about $20.

(I'm trying to put enough 'key words' into this so that if someone else is 
looking for this in the future by searching the amps list, they might be 
able to find this message)

Here're a couple of links to pictures of the plate choke and conductor from 
bandswitch to loading capacitor....

https://ws.onehub.com/files/lyv1lwjs

https://ws.onehub.com/files/4ok8x38j


If I find anything else that's interesting I'll follow up!

-Brian N9ADG
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