Deny Watanabe
Member
I'm considering trying third party cab packs and have a few questions about how they're captured, not sure if the actual IR vendors reply here, or maybe users who know the answers can chime in and shed some light on the subject.
1) Are IRs dependent on the power applied to the speaker? I would think speakers' character change depending on how hard they're driven, and if that is true, at what power rating do IR vendors capture their IRs? Do IRs capture the mechanical inertia diference between low and high amplitude signals?
2) Are IRs captured in anechoic chambers? I'd imagine for accuracy purposes that would be the ideal scenario, but do IR vendors actually do it?
3) Are there IR vendors who publish their IR resonance frequencies, or is this information available elsewhere?
4) Why aren't there more off-axis IRs available? If you'd ever tried listening from where most IRs are captured you'd realize how awful that sounds. My best shot using a single SM57 is off-axis about 1" from the speaker, mic perpendicular to the cone surface, wondering why there aren't more offerings captured this way. Or maybe there are and we're just not told about it?
5) Are there known shortcomings of IR capture technology, including the interaction between amp models and IRs vs real amps and real speakers?
1) Are IRs dependent on the power applied to the speaker? I would think speakers' character change depending on how hard they're driven, and if that is true, at what power rating do IR vendors capture their IRs? Do IRs capture the mechanical inertia diference between low and high amplitude signals?
2) Are IRs captured in anechoic chambers? I'd imagine for accuracy purposes that would be the ideal scenario, but do IR vendors actually do it?
3) Are there IR vendors who publish their IR resonance frequencies, or is this information available elsewhere?
4) Why aren't there more off-axis IRs available? If you'd ever tried listening from where most IRs are captured you'd realize how awful that sounds. My best shot using a single SM57 is off-axis about 1" from the speaker, mic perpendicular to the cone surface, wondering why there aren't more offerings captured this way. Or maybe there are and we're just not told about it?
5) Are there known shortcomings of IR capture technology, including the interaction between amp models and IRs vs real amps and real speakers?