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johngerry Unregistered guest | What are the dis-advantages of using a raw power head like a QSC PLX3002 (900w 4 ohm) to power my stereo speakers (ADS L810)?? |
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Silver Member Username: GmanPost Number: 254 Registered: 12-2003 | You might need an electrician to give the amp its own circuit---like having a major appliance. You will probably need attachments for the XLR cables to hook up to a preamp. You better be very careful about not powering up with your volume control up. I certainly wouldn't use one unless I had speakers that required huge amounts of power to perform well. This amp is used more by PA systems and movie theatres. The only benefit I see is you will never worry about amp clipping, but you will worry about other things. |
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johnpetergerry Unregistered guest | I can hook it up easily. Question is how will it sound compared to others? thanks john gerry |
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Silver Member Username: GmanPost Number: 255 Registered: 12-2003 | I would be suprised if there is anyone on this forum that has used this amp for driving home speakers. Add to that the incredible improbability of driving your particular speakers with this amp and I imagine you are the only one here that can answer your sonic question. So I guess you need to borrow an amp or two from a friend or dealer and "see" if it makes a sonic difference to you. |
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Bronze Member Username: HeffPost Number: 78 Registered: 12-2003 | Remember the opening scene in "Back to the Future", when Michael J. Fox's character, Marty McFly, plugs in his new guitar amplifier and hits his first chord? The air pushed by his wall of speakers blows him through the wall!!! LOL btw, I concur w/Gman on his sound advice! |
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johngerry Unregistered guest | Thanks for your posts. I will have to compare it to the AdCom amp. My guess is the QSC will be better simply cause it has more power - better able to handle those dynamic transients. Main dis-advantage of the QSC: a fan to cool it.... |
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Silver Member Username: GeekboyPost Number: 222 Registered: 12-2003 | John: my brother has the 4 QSC amplifiers, but they use them for indoor/outdoor concerts. They are even THX certified as they are "movie theater" rated amplifiers. Pretty cool. I wanted them for myself! Other than the balanced (XLR) inputs, I think they'd be great. |
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Silver Member Username: GmanPost Number: 259 Registered: 12-2003 | I can't imagine that ADS L810's either need or would benefit from that kind of amplification the QSC provides. It is like killing a fly with a nuclear warhead rather than a flyswatter. I would think any good 100 to 200 watt amp would be more than enough. The speaker is far more likely to distort and get a driver blown before any 200 watt amp would clip. That speaker must be a golden oldie--at least 2 decades old. It probably has around a 150 watt limit--maybe 200 watts. I think ADS has been out of business for a few years, although I am sure there are replacement drivers available in case any of the drivers get blown. |