Originally Posted by SeaNile
Trying to make sense of the specs of the iTech5000, 3500x4 and the DCi n4 1250. Looks like they are all about 1200w for an 8ohm load which would be the M2.
There are a few of the 5000s listed for sale on eBay from audio shops for about 2k each, possibly less if I order 2 of them. I need a simple system, no external EQ, etc. I'm still a plug and play type guy. The more things to possibly screw up is not a good thing for me.
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The manual says the M2 has a nominal impedance of 6 ohms. At least the woofer does, the CD is listed as 20 ohms. So the woofer would be getting a bit more than 1250 or whatever it is and the CD would probably be getting somewhere between 200-300 watts (just a guess).
Originally Posted by DreamWarrior
I'm about 15' away. Maybe I just have good hearing, lol...doubtful. Maybe if I mess with my gain structure a bit more, or maybe my power / ground is not very clean in this house. Pretty much every external amplifier I've hooked up to two different receivers has been noisy. However, much of the noise is there regardless whether they are connected to the receiver or not.
I'm sure the interface does play a large part, but as I said above, this hiss/noise is there regardless whether anything is connected to the iTech. Leads me to believe it's something internal to the amp or something in my power. Or...maybe I should have them looked at, lol.
WOW! At 15 feet, I can't imagine that you should be able to hear a hiss, unless you have some sort of supersonic hearing. What are your gains set at? I wish I knew more about what causes a noise floor like that. When I got my 708i's and DCi amp, I tested everything out upstairs (2nd floor) and noticed how high the noise floor was with the hissing. Even with just the amp on, nothing connected to it, the speakers still had a very noticeable hiss from across the room, which I found disappointing. Then I hooked everything up downstairs (basement), turned everything on and I thought I did something wrong. No hiss at all, but everything was working perfectly. Only difference being the amp was on a totally different circuit.
So basically, I think that must have something to do with your electricity. I later found out my 2nd floor electric is not properly grounded.