I've managed to remove the sub amps and will send them out today. It was a bit of a challenge pulling them out due to the glue tape! I was surprised how tiny the RCA cables from the speakon inputs to the amps are. Flies in the face of the massive audiophile cables everyone puts on their subs these days.
Perhaps this is actually an ideal time to play around with toe in, as I'll be without the bass output for a couple of weeks. Based on my listening so far, I thought that the Mk4's in my room would benefit from a bit less toe-in, so it's good to hear your input on that, Phil. I'll try your suggestion of some older recordings. I've got some great jazz from the 50s. Interestingly, I asked Sean about this and he said that the ideal positions he has found in various setups with the Mk4's have ranged from toed-in from as extreme as 2 feet in front of the listening position to some distance behind, usually no more than a couple of feet. He estimated 1/10 times directing the tweeters in front of the listener, 4/10 directly at the listener, and 5/10 behind. I always had the Mk1.5's pointed right at my ears, but notice that these new speakers aren't disappearing as well my old ones in that position, with the frequency spectrum tilted upwards (a little too much high end content in comparison to the mids).
Marc, I was just looking at those footers! The company is based in Ontario, about an hour from where I live, though I think they're actually manufactured in China. Crutchfield carries them and has an easy return policy, so it's a no risk proposition to give them a go. I'm just waiting to hear back if they have the alternative threads (looks like the Zu's are 3/8"-16, which isn't included in the box).
David
Perhaps this is actually an ideal time to play around with toe in, as I'll be without the bass output for a couple of weeks. Based on my listening so far, I thought that the Mk4's in my room would benefit from a bit less toe-in, so it's good to hear your input on that, Phil. I'll try your suggestion of some older recordings. I've got some great jazz from the 50s. Interestingly, I asked Sean about this and he said that the ideal positions he has found in various setups with the Mk4's have ranged from toed-in from as extreme as 2 feet in front of the listening position to some distance behind, usually no more than a couple of feet. He estimated 1/10 times directing the tweeters in front of the listener, 4/10 directly at the listener, and 5/10 behind. I always had the Mk1.5's pointed right at my ears, but notice that these new speakers aren't disappearing as well my old ones in that position, with the frequency spectrum tilted upwards (a little too much high end content in comparison to the mids).
Marc, I was just looking at those footers! The company is based in Ontario, about an hour from where I live, though I think they're actually manufactured in China. Crutchfield carries them and has an easy return policy, so it's a no risk proposition to give them a go. I'm just waiting to hear back if they have the alternative threads (looks like the Zu's are 3/8"-16, which isn't included in the box).
David