[ICOM] IC730 Finals

k4lxv at bellsouth.net k4lxv at bellsouth.net
Wed Jul 9 13:08:42 EDT 2008


Alan: If possible it would be better to replace your devices with 2SC2097MP, the MP standing for matched pair. A matched pair will have lower distortion as both devices were gain matched. I am not sure regarding the 2SC2097B or H devices.
-------------- Original message from Alan <zl3kr at clear.net.nz>: -------------- 


> I am looking at having to replace blown final transistors in my IC730, 
> they being 2SC2097's. 
> I see after doing some searching there are 2SC2097, 2SC2097B, 2SC2097-H 
> and 2SC2097-H-MP on the market, of course at various prices, the -H-MP 
> being by far the most costly of them. Can anyone tell me what the basic 
> difference is between them please?? 
> I am guessing that the MP is possibly Miltary Standards of some sort, 
> which I would guess would 
> possibly be overkill for this application. 
> My thanks in advance for any help that can be offered. 
> 
> Alan ZL3KR 
> 
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