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<blockquote data-quote="Silas Pradetto" data-source="post: 27230" data-attributes="member: 34"><p>Re: XTi Limiters</p><p></p><p></p><p></p><p>IMHO, using an external DSP defeats the purpose of using a DSP amp altogether, not to mention that it adds an AD/DA stage, increasing latency and decreasing sound quality. I know some argue that the difference is inaudible, but in my experience, it definitely is.</p><p></p><p>That said, I've used XTi amps quite a bit and have a few observations I'll share:</p><p></p><ul> <li data-xf-list-type="ul">When using an XTi with the "DSP OFF" preset, input level = output level. That is, the input and outputs clip at about the same time, yielding maximum output.</li> <li data-xf-list-type="ul">When using the internal XTi crossover, it makes sense that output level is less than input level, since the crossover is only passing part of the original input signal. The output level must be adjusted with "bandpass gain" to make output level again equal to input level. I normally leave the HF passbands at "0" and adjust the LF passbands to taste...10dB of gain is not uncommon, especially for the sub bandpass.</li> <li data-xf-list-type="ul">The XTi limiter does work but sounds pretty bad. I found that using the output limiter on whatever digital console I was using worked better than the XTi limiter. I would leave the XTi limiter off just about all the time, except maybe as a failsafe for HF drivers.</li> </ul><p></p><p>I know it's been discussed before, but one I-Tech is usually less than double the price of a couple XTis, and has far more functionality and capability than any number of XTis could ever dream of having. This I-Tech advantage is especially obvious once people start spending $200+ on analog limiters just to make their XTi investment work.</p></blockquote><p></p>
[QUOTE="Silas Pradetto, post: 27230, member: 34"] Re: XTi Limiters IMHO, using an external DSP defeats the purpose of using a DSP amp altogether, not to mention that it adds an AD/DA stage, increasing latency and decreasing sound quality. I know some argue that the difference is inaudible, but in my experience, it definitely is. That said, I've used XTi amps quite a bit and have a few observations I'll share: [LIST] [*]When using an XTi with the "DSP OFF" preset, input level = output level. That is, the input and outputs clip at about the same time, yielding maximum output. [*]When using the internal XTi crossover, it makes sense that output level is less than input level, since the crossover is only passing part of the original input signal. The output level must be adjusted with "bandpass gain" to make output level again equal to input level. I normally leave the HF passbands at "0" and adjust the LF passbands to taste...10dB of gain is not uncommon, especially for the sub bandpass. [*]The XTi limiter does work but sounds pretty bad. I found that using the output limiter on whatever digital console I was using worked better than the XTi limiter. I would leave the XTi limiter off just about all the time, except maybe as a failsafe for HF drivers. [/LIST] I know it's been discussed before, but one I-Tech is usually less than double the price of a couple XTis, and has far more functionality and capability than any number of XTis could ever dream of having. This I-Tech advantage is especially obvious once people start spending $200+ on analog limiters just to make their XTi investment work. [/QUOTE]
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