Karls: Vandies are not so much "warm" as they are tough loads for most amps at high frequencies. For some reason, most amps take a dive in output levels above 9 - 10 KHz when driving Vandies. I don't know if it has to do with levels of reactance, impedance, specific phase angles, etc... or a combo of all of the above, but most amps simply do not load up well into Vandies up top. Finding an amp that is both relatively load stable and possibly has a slight rise up top would tend to level things out when working with Vandies.
My Ohm F's seem to hold their tonal balance quite well at low listening levels. They probably work best there or at medium levels. Once you start to drive them harder ( anything above about 92 - 94 dB's at 10' ), they start falling apart in terms of top to bottom coherence. You might be able to get them louder than that but the recording would have to be on the lean side. Sean
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My Ohm F's seem to hold their tonal balance quite well at low listening levels. They probably work best there or at medium levels. Once you start to drive them harder ( anything above about 92 - 94 dB's at 10' ), they start falling apart in terms of top to bottom coherence. You might be able to get them louder than that but the recording would have to be on the lean side. Sean
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