Fans of the Bottlehead Crack recommend 250 ohm or higher and I see why. They will drive lower impedance cans, but not with much volume as you're driving the transducers straight from the output tube.
Zeke,
How are those AKGs comfort-wise?
Dave
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"When the lie is so big and the fog so thick, the Republican trick can play out again....."-------Frank Zappa
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