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Crest Pro Lite 7.5
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<blockquote data-quote="Richard Henthorne" data-source="post: 123661" data-attributes="member: 7667"><p>Re: Crest Pro Lite 7.5</p><p></p><p>They have low fan noise, exiting out of the front. They sound amazing, dual differential design, fully balanced from input to output. Lots of power, using 4 Pro Lite 7.5s (IPR 2 7500 with beefed up power supply) to power 4x Peavey VR 218s. I used to use a Crown Itech and am VERY pleased with the IPR/Pro lite for sub duty. Ive also used Macro Techs and assorted Crest and Peavey amps and these cannot be beat for head room. Due to the great power supply they really excel at low frequency power, (<50 hz) This creates the feeling that you are actually gettng deeper response out of your subs, and in fact this is true. Other amps tend to have rail sag at low frequencies if they cannot recharge the supply caps fast enough. This also is why some amps dont weigh as much as older amps. The switching power supply is actually much better than toroids since it can charge the caps at a higher freq. A quick and dirty example of this is why a amp designed for 60 hz operation performs poorly at 50hz line conditions. Msg me if you need any more info.</p></blockquote><p></p>
[QUOTE="Richard Henthorne, post: 123661, member: 7667"] Re: Crest Pro Lite 7.5 They have low fan noise, exiting out of the front. They sound amazing, dual differential design, fully balanced from input to output. Lots of power, using 4 Pro Lite 7.5s (IPR 2 7500 with beefed up power supply) to power 4x Peavey VR 218s. I used to use a Crown Itech and am VERY pleased with the IPR/Pro lite for sub duty. Ive also used Macro Techs and assorted Crest and Peavey amps and these cannot be beat for head room. Due to the great power supply they really excel at low frequency power, (<50 hz) This creates the feeling that you are actually gettng deeper response out of your subs, and in fact this is true. Other amps tend to have rail sag at low frequencies if they cannot recharge the supply caps fast enough. This also is why some amps dont weigh as much as older amps. The switching power supply is actually much better than toroids since it can charge the caps at a higher freq. A quick and dirty example of this is why a amp designed for 60 hz operation performs poorly at 50hz line conditions. Msg me if you need any more info. [/QUOTE]
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