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Author Topic: mirage amp  (Read 1095 times)
KJ4YZI
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Posts: 38




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« on: March 06, 2012, 04:37:03 AM »

anyone help me with the pinout of the plug on the back of the amp for remote?
and my receive preamp is cooked, is it worth replacing the transistors? i received the amp with it burned up, but i heard also it will keep burning up because of the design. what should i do, has anyone ever fixed them? what are the part numbers etc.. thanks
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AD4U
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Posts: 2186




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« Reply #1 on: March 06, 2012, 06:16:34 AM »

I will answer your question about repairing the receive pre-amp.  IMO it is not worth the trouble, especially if you use FM.  A pre-amp located at the rig is basically worthless.  It will increase the S meter reading, but that is about all.

I will leave the remote pin-out to somebody else.

Dick  AD4U
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KJ4YZI
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Posts: 38




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« Reply #2 on: March 06, 2012, 06:23:41 AM »

can you tell me which and where to get a external preamp for receive? are they worth it? where does it go? thanks
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K2OWK
Member

Posts: 1078




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« Reply #3 on: March 06, 2012, 09:33:03 PM »

Hello, An external preamp for receive is only good to use for a very long run of coax. It will make up for the loss of the coax. It is best to put it at the antennas. A preamp will amplify the noise the same as the signal, so the signal to noise ratio will not change.

Hope this helps.

73s

K2OWK
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