[AMPS] re al1500

[2]

>
>
>
>Con, 3 minute warm up time on an 8877...
>
//  This isn't much of a problem if the station operator switches on the 
8877's heater whenever the transceiver is switched on.  
>
>Some argue over the lack of parasitic suppressor and some tube reliability
>issues.....
>
//  There are more than a few AL-1500 owners who have gone through more 
than a few 8877s during the first 12-months.   Nacherly, the expert who 
designed the AL-1500 blames Eimac.  /see Figure 24 on my Web site/  The 
long excursion on the wide river in the Land of the Pharoahs continues.  
-  Before purchasing a used AL-1500 amplifier, I would perform the 
Funderberg gold sputter test on the 8877.  This test is described on my 
Web site.  The test takes about a minute.  

>Personally the AL1200 is more of a war horse...  its a contesters favorite,
>like the energizer bunny....
>
//  Even though the 3cx1200A7 has about 10-times as much feedback-C as a 
3cx1200Z7, and, understandably, has a well deserved reputation for 
squirrelish antics and big bangs, the filament helices are not nearly as 
subject to bending as a 3-500Z's, so grid-filament shorts are rare 
following a big bang.   However, If I owned an AL-1200, or any 
MFJ-Ameritron amplifier, I would add a suitable glitch resistor in series 
with the positive lead of the anode supply.  

cheers, Phil W2GE
>
>-----Original Message-----
>From: owner-amps@contesting.com [mailto:owner-amps@contesting.com]On
>Behalf Of kenneth m cubilo
>Sent: Friday, October 05, 2001 7:30 AM
>To: amps@contesting.com
>Subject: [AMPS] re al1500
>
>
>
>hi i have a change to pick up a ameritron al1500 amp, anyone out here
>have any pros or cons on this critter?
>thanks ken w8ob
>
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-  R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures.  
end


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