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As promised, here are the EQ measurements for the 103/3 and 104/2 Kubes. The pictures have both the normal and extend settings shown as overlays.
103/3 View attachment 1651109
104/2 View attachment 1651110
I don't own the 104's. Maybe someday. I like the 103/3's very well. I have been doing the EQ with a software application on my music server PC and it works well and sounds good. A version of the EQ was plotted by another AK'er which I used in the 1/3 octave equalizer app. Now that I have the proper Kube I was curious to see how nearly it compared to the other published curve. I think I will update the Kube power supply caps sometime this winter and possibly experiment with the op amps. This next weekend I will pick up a pair of 102's including the Kube. My son has them right now. I will measure that Kube and publish it as well.
John
I have not heard them but they look interesting. I suspect someone will of listened to them. I’m interested in the response you get. On looks alone I suspect they sound good.
ugh, that's a tough one. Price is a no brainer, drive though, especially to LA, that's tough. All the reviews seem to say they're worth it, so is it worth it? I'd be tempted.
Hey, btw, aren't you happy with those KEF kits you bought? Or do you just need more?
I get it. My 105s are the most easy to listen to speaks I've ever come across. I'd love to have a stable full of KEFs, think I could be very happy ... and be able to sell everything else!
Hey, btw, aren't you happy with those KEF kits you bought? Or do you just need more?
I get it. My 105s are the most easy to listen to speaks I've ever come across. I'd love to have a stable full of KEFs, think I could be very happy ... and be able to sell everything else!
I, for one, am slowly working on it. I have the Kef Reference 4.2’s, 3.2’s and the 1.2’s as well as a pair of Reference Model 200C’s. I will have to get the 2.2’s for the full set of this range but not too sure how the Mrs will react when another pair lands! I might be sleeping with the dog!
Since measuring the 103 Kube I put the same EQ into a software EQ app on my server to compare. The speakers sound clearer and overall better with software EQ. I will redo the Kube this winter with new pwr supply parts and better Opamps and see what happens.
I have a pair of Kef 102.2. The speakers are rated at 4 ohm. One woofer (B160 SP1261) is not working and I'm on the lookout for a replacement.
I have found two woofers on eBay coming from a Kef Q55 (B160 SP1395). But, they are rated at 8 ohm. Would it be a bad idea to use them as replacements?
I would think that 4 ohm units would be needed to match the other motors but if you already have them I do not believe that they will cause any damage but may sound a little light in the bass. Worth a try and you could make your mind up from there. Cheers.
I would think that 4 ohm units would be needed to match the other motors but if you already have them I do not believe that they will cause any damage but may sound a little light in the bass. Worth a try and you could make your mind up from there. Cheers.
My thoughts:
1. The 8 ohm units are going to change the impedance of the entire speaker and crossover. I don't even know what the results would be of that scenario.
2. The 8 ohm units are going to have less output efficiency by means of being 8 ohms (and thus pulling less current then the 4 ohm versions) making your speakers sound more 'thin' and anemic as they will have more highs/mids than bass.
I replaced a pair of woofers in a set of 8 ohm speakers. Didn't realize they were 4 ohm woofers until I got them. Read on here that essentially it would make the speakers 6 ohms. Installed them and they sound fine. Running them with an old Akai integrated, about 45 wpc, and I don't get any sense the amp is being overworked.