I am wondering if I have to get the external relay box for running my Yaesu FT-450 into my Yaesu 2100B or will this Voltage match up ok? I know Ill have to make a new Cord for that setup as far as the relay (exciter) goes. Also is the ECT ALC an important thing to have hopoked up and what is the main reason for it? I know its setup on my FT-990 and 2100B now.
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YAESU FT-450 AND 2100B
- Thread starter TonyV225
- Start date
ALC, when properly adjusted and connected, keeps the exciter from overdriving the amplifier.
The manuals for the equipment will have the information about keying voltage/current. If you don't have the manuals, I'd worry about getting them before doing anything else. You can probably download them off the internet; if not, there are several places where you can buy copies.
The manuals for the equipment will have the information about keying voltage/current. If you don't have the manuals, I'd worry about getting them before doing anything else. You can probably download them off the internet; if not, there are several places where you can buy copies.
I bought the radio Brand new a few weeks ago but A amatuer store told me I would need the relay box and with cables it was like $80.00 but then I was told by another source I dont need that so I was confused. I figured I would ask here because someone may own one or know forsure first hand.
Since the amplifier is about 20-30 years old and the exciter is new, it's pretty safe to say that you will need some sort of interface between the two. I found the 2100B manual on line, but it doesn't give any specifications as to what sort of voltage/current is at the terminals. You can measure it with a multimeter and compare it with the specs for the 450. Just be careful, and have the amplifier connected to a dummy load the whole time.
I would strongly suggest a relay buffer between your rig and the amp. If you are handy you could wire a small relay that is triggered by your radio and use that relay to trigger the amp.The switching in the modern radios is usually handled by a small switching transistor that cannot handle nuch voltage or current. That is why they make these overpriced (in my opinion) relay interface boxes.
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