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Do they not test the units before they ship them to see if the parts they put in them are up to specification. I got one of the newer models with the MS1051 and it kills the receive when either transmit or receive is switched on. I tried searching for the MS1051 Transistor is what got me on this...
I like the 200 amps there is less parts to fail and simpler to find the problem - I gave one of the 203 amps to a friend that I got off E-bay for $25.00 and Free Shipping and there was nothing wrong with it and it works great with no problem at all it did not have the pre-amp which is mainly...
It would be hard to build one yourself for what they sell for - NEWEGG sells them all the time for less than $65.00 with FREE Shipping and they are nice fused units I really like the quality for the price not just a copper-clad board with parts soldered everywhere very well made.
I have even had power supplies fail and over-volt them - the output power goes wild,but still has not damaged them. The 200's are really simple very few parts with a simple circuit makes repair fairly easy. You have one bf199 transistor on the pre-amp that will fail and the relays have issues...
I have 4 of the RM Italy KL-200P Amps and one is over 20 years old and they all have the single SD1446 final in them. In over 20 years I have never blown a final - I have replaced the BF199 receive transistor from Lightning Strikes too close and the relays have failed but that is just minor...
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