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[QUOTE=&quot;SWHouston, post: 80013, member: 4580&quot;]Tim, It kinda depends on the circumstances....The CM7777 has an output of 23dbVhf/26dbUhf with Coax Power Inserter.The 300 ohm (input) Preamps are...Winegard AP4800 which is UHF only @ 28db and 110v separate power cable.Channel Master CM0064 16dbVhf/23dbUhf with Coax Power Inserter, andChannel Master CM0264DSB 16dbVhf/23dbUhf with Power Inserter.(these are the only 300ohm that I'm aware of)Given the drop in output, I'm not sure that you'd be gaining muchunless you were replacing a real crappy Balun.Then, one should consider justification in the additional cost of Twin Cable and Amp.I know that 300 is as low loss as you can get, but, I've never liked that stuff,and given its vulnerability to interference, I think I'd stay with Coax.PS:I know there are some others of these amps, but keeping up with them (available/discontinued) is like killing Roch's.&nbsp; So, if you've foundone/others that are available, post um ! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" />[/QUOTE]

[QUOTE="SWHouston, post: 80013, member: 4580"]Tim, It kinda depends on the circumstances.... The CM7777 has an output of 23dbVhf/26dbUhf with Coax Power Inserter. The 300 ohm (input) Preamps are... Winegard AP4800 which is UHF only @ 28db and 110v separate power cable. Channel Master CM0064 16dbVhf/23dbUhf with Coax Power Inserter, and Channel Master CM0264DSB 16dbVhf/23dbUhf with Power Inserter. (these are the only 300ohm that I'm aware of) Given the drop in output, I'm not sure that you'd be gaining much unless you were replacing a real crappy Balun. Then, one should consider justification in the additional cost of Twin Cable and Amp. I know that 300 is as low loss as you can get, but, I've never liked that stuff, and given its vulnerability to interference, I think I'd stay with Coax. PS: I know there are some others of these amps, but keeping up with them (available/discontinued) is like killing Roch's. So, if you've found one/others that are available, post um ! :)[/QUOTE]

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