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In Reply to: RE: Any problem with a long speaker wire between a sub plate amp and it's driver posted by airtime on September 11, 2014 at 10:31:11
The longer length of the RCA cable will have negligible effect, unless it's a very poor cable and you've got any noise issues. However, running long speaker wires from a plate amp to a sub is not a good idea and *can* result in performance issues (damping factor).
I would retrofit properly, then run the RCA cable from the system to the sub and make that cable as long as it needs to be. (Once a sub is set up there is no advantage to having the plate close to your listening position.)
That's my 2 cents anyways.
Cheers,
Presto
Follow Ups:
I think he means not putting the amp in the speaker enclosure. It should work fine. The sub amp should have plenty of damping factor (higher than any tube amp, anyway). I have done this before (locating a plate amp with the rest of the equipment), and run speaker wires to the sub. Worked fine. I find that longer speaker wires is better than long interconnects, where capacitance can cause HF rolloff, or even oscillations from too much capacitance. The high signal levels on the amp output is much less susceptible to noise pickup.
I have the sub where I like it. And I have enough good quality RCA cable to run too the sub.
The only reason I wanted to try the plate amp by my stereo was so I can fine tune the settings at will. With out a zillion "get ups and downs".
Thanks
charles
...said the blind man, as he picked up the hammer and saw.
Yes I run plate amps out of the box often - in fact more often than not. But I am very close. If it's 8 - 10 feet or more I would use heavy cable... 10 or even 8 gauge. That's just me. You could get away with 12 gauge. It may not be a deal breaker for you performance wise, but it will affect damping factor.
Cheers,
Presto
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