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Low Earth Orbit
DIY Audio
FREE SUB PLAN: Dual Lab12 (Front Loaded) by Welter Systems
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<blockquote data-quote="Art Welter" data-source="post: 83096" data-attributes="member: 52"><p>Re: FREE SUB PLAN: Dual Lab12 (Front Loaded) by Welter Systems</p><p></p><p></p><p>I have not compared the I-Tech 4000 or 6000 to any amp I know, so don't know how much "real" sub power they do.</p><p></p><p>Although class D can be more power efficient, I don't share Silas' opinion of a "stunning" sonic difference (the Crest CA series kick ass for sub use), though I sure like the 7 pound Speakerpower SP4000 plate amp for driving a pair of Lab 12s. Rated at 4000 watts at 2 ohms, it is "just right" for the WS 2x12" cab.</p><p>Speakerpower is also making rack mount amps too now, lighter, about 10% more power efficient, and way more power at 2 ohms than the I-T 6000. </p><p>The SP2-8000 is 4000 watts per channel at 2 ohms for $2,495.00</p><p></p><p>The current limiting of the ITechs at two ohms is a concern, the pair of Lab 12 drop close to 2 ohms at the impedance minima, the limiting may sound flabby on peaks. </p><p>Without hearing them, I'd definitely want to err on the side of headroom and go with the 6000 given those two ITech amps as the only choice.</p><p></p><p>Art</p></blockquote><p></p>
[QUOTE="Art Welter, post: 83096, member: 52"] Re: FREE SUB PLAN: Dual Lab12 (Front Loaded) by Welter Systems I have not compared the I-Tech 4000 or 6000 to any amp I know, so don't know how much "real" sub power they do. Although class D can be more power efficient, I don't share Silas' opinion of a "stunning" sonic difference (the Crest CA series kick ass for sub use), though I sure like the 7 pound Speakerpower SP4000 plate amp for driving a pair of Lab 12s. Rated at 4000 watts at 2 ohms, it is "just right" for the WS 2x12" cab. Speakerpower is also making rack mount amps too now, lighter, about 10% more power efficient, and way more power at 2 ohms than the I-T 6000. The SP2-8000 is 4000 watts per channel at 2 ohms for $2,495.00 The current limiting of the ITechs at two ohms is a concern, the pair of Lab 12 drop close to 2 ohms at the impedance minima, the limiting may sound flabby on peaks. Without hearing them, I'd definitely want to err on the side of headroom and go with the 6000 given those two ITech amps as the only choice. Art [/QUOTE]
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FREE SUB PLAN: Dual Lab12 (Front Loaded) by Welter Systems
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