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The biggest single issue in this country (Australia) with the 2100 amps and a lot of others, for that matter, is the filament voltage. Due to our 240V to 250V mains, it is always high. With the 2100

Make sure the Orion cam tolerate the keyline voltage of the fl2100z. Not sure, but you may need a buffer to protect the radio. 73, N0NC Chuck

I have a 2100B to use with the FT 101 station.? I take it to the cabin and use it on all bands. Typically run it at 500 out. Never had a single issue with it ever. Its possible it was worked on at

I? had a brand? new? FL-2100B? back? in 1976.? ?Worked? on? all? bands...? for a while. Then? on? 10M,? it? flat? out? would? not? tune? properly on? 10M..into a flat? swr. The?

FL2100B (not Z, but quite similar) with FT-450, at the club Regards Guillermo - LU5WE.

Anyone using a fl200z with anything...?

Ive been very kindly loaned a 2100Z to try with my Orion 2. Anything I should be aware of before I hit the "smoke on" button? David G4YVM

Cliff,? the? link? for? the? ameritron? site? does? not? work? for? the AL1200? manual? (nor? the? AL-1500,? under? downloads). The 2nd? link? works....? but? not sharp,?

Hi, Not sure this helps but Ameritron has standalone stepstart units for both 120v and 240v as needed. ICP-240 and ICP-120 and are about $89.00. Well built and are plug and play. I have 3 here that I

I? went? through? the? SSR? scenario? ?years? ?ago.? The? issue? with? em? is.....? they EACH? require? a massive? heat? sink.? SSR's? are only? SPST? by? design, so to?

How about a pair of these boys before the step-start resistors ( zero-crossing )

If a? big? arc occurs? when? contacts? closing,? something? is? not? designed? correctly.? ?That? is? no place? for? puny? 10-20 A? rated? contacts,? or? using real? short?

Hi Don, That info is in the user manual page 13 for the schematic and page 14 for the parts list available fore free from the Ameritron website at

Here? is? how? I? did? my? external step? start.? ?I? used? a? ?8"? x 8"? x 4"? electrical? box....with? knock? outs. 240? vac? line, using 10? gauge? wire, is hardwired?

Any Schematics with relay numbers for home builders ? Don W4DNR Quoting "Louis Parascondola via Groups.Io" <Gudguyham@...>:

Thanks for all the replies guys, over a dozen and I will post what I end up doing if P.J comes up with the moo-la if any is required. This group is absolutely awesome and a excellent source to get

The Ameritron outboard step start is the same circuit that is built into the Al-1200 amp.

Ameritron makes an outboard box that the amp or any amp plugs into that has step start built in. Not sure whats inside. Maybe MOV?? I like to build my own but this might be an option as you would not

Yes indeed Jim.? if you have watched the start up of as many "big box" Ameritron amps (all the same except for tube) you would see varying degrees of sparking at the step start relay contacts