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Modulator to amp or not?  

post #1 of 3
Thread Starter 
Hi,

I have 13 TVs that I need to feed. I have a modulator that I feed into a Channel Vision cvt 2/8 pia. I also feed the cable into it.

After reading this group I think that I am doing a no, no. It sounds like the modulator probably has an AMP built in that I am then feeding to another AMP. I have the Netmedia triple play modulator.

How do much configure? Do most come out of the modulator into a passive distribution hub?

Thanks for any help,

-Jym-
post #2 of 3
You're right that modulator output is amplified already (don't remember the technical term for this). Some distribution amplifiers have special inputs for modulators to take this into account. If you use an amplifier without this feature, you can put an attenuator in between the output of your modulator and the input of the amplifier. This will avoid overamplification of the signal, which messes it up.

Radio Shack sells a variable attenuator (with a dial to control level of attenuation). I used this & it has worked well.

Regards
BB80301
post #3 of 3
I'm not sure about the Channel Vision products. I would suggest that you check with their technical support to clarify. But, if their products are similar to Channel Plus, then the modulator inputs are NOT amplified, because they assume that you are using a modulator which already supplies an amplified signal.
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AVS › AVS Forum › A/V Control & Automation › Home A/V Distribution › Modulator to amp or not?