John Warren Posted September 10, 2001 Share Posted September 10, 2001 you are about 30 years too late. EV is way, way, way out of the home audio market. Quote Link to comment Share on other sites More sharing options...
jim-analog Posted September 12, 2001 Author Share Posted September 12, 2001 Hello Q and John, Thanks very much for the information. Any idea on where to find a pair of these? Regards, Jim www.analogbros.com ------------------ Jim@analogbros.com Quote Link to comment Share on other sites More sharing options...
cueman Posted May 10, 2005 Share Posted May 10, 2005 Isn't this a good price on these tweeters? Aren't these the ones that usually sell for like $150-$200 each? Or are these different than the older round magnet ones? http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5773532289 The guy has about 15 pairs of these for sale. Quote Link to comment Share on other sites More sharing options...
BEC Posted May 10, 2005 Share Posted May 10, 2005 The ones in this auction are the EV ST-350Bs. A much different animal than the EV T-350 and sell for much less. Bob Quote Link to comment Share on other sites More sharing options...
cueman Posted May 10, 2005 Share Posted May 10, 2005 Thanks Bob. Not that I need any more tweeters right now, but was just curious about these. Quote Link to comment Share on other sites More sharing options...
michael hurd Posted May 10, 2005 Share Posted May 10, 2005 I am having trouble uploading anything to the BBS, shoot me an e-mail if you want a scan of the EV-T350 engineering specs, I have 2 pages scanned. Again, my thatnks to William F. Gil McDermott to provide me with the hard copy of the Electrovice literature. I also have the sheets on the EV T-35, indicate which ones you would like. Quote Link to comment Share on other sites More sharing options...
D-MAN Posted May 10, 2005 Share Posted May 10, 2005 ---------------- On 8/9/2001 12:26:00 PM jim-analog wrote: Greetings, I've been looking into different drivers and will probably go with the Emminence Kapas for the woofer. ------------------ Jim@analogbros.com ---------------- I have experience with Kappa 15LF's in corner horns. Overall, they are much more punchy and powerful than K33E's. They are not as transparent on the upper-portion of the bass frequencies as the K33E's, but they WILL change your heartbeat at 30 watts, if that's what you want. They don't go quite as low (fc 38Hz), but they do take 500 watts. I tried both Kappa LFs and K33Es and stayed with the K33Es as they blend nicely with the upper frequencies. One thing that you must keep in mind is that the K33E's use a 3x13" throat opening, and the LF's (being 8 Ohm) need the 6x13" slot opening. So standby to hack on your horns to use them, if you want to go that route. Most Khorn owners tend to stay with the K33E for this reason, as well as having a built-in match to the midrange. The matching with the upper frequencies will be an issue, as the LF's are a little more efficient than the K33E's. This is entirely up to you as to what "type" of music you want to listen to. If you are a loud-volume rocker in particular, or want to start a disco, LFs are just your ticket. DM Quote Link to comment Share on other sites More sharing options...
BEC Posted May 10, 2005 Share Posted May 10, 2005 D-Man, Better late than never on a post reply, I suppose. Bob Quote Link to comment Share on other sites More sharing options...
D-MAN Posted May 10, 2005 Share Posted May 10, 2005 Bob, I figure that somebody will read the thing... the fact is I didn't dig up the thread, so somebody posted to it recently. But your right, I didn't notice the date! DM Quote Link to comment Share on other sites More sharing options...
djk Posted May 12, 2005 Share Posted May 12, 2005 "and the LF's (being 8 Ohm) " The impedance of the woofer has nothing to do with the size of the slot opening. Quote Link to comment Share on other sites More sharing options...
D-MAN Posted May 12, 2005 Share Posted May 12, 2005 Yes, good point; perhaps my statement seems misleading, so I'll explain further. I got the 8 Ohm driver in a Khorn thing from a third-hand post by Bruce Edgar, an article featuring PWK and another printed source dicussing the Khorn. The 8 Ohm vc driver simply means that it is NOT a K33E (which is a 4 Ohm), and therefore the narrow slot is not required and will limit the response of other (non-K33E) drivers. The narrow slot is exclusively intended for the K33E to reduce the bandpass in the upper-and-mid-bass (400Hz?) range. For other drivers, a wider slot is recommended (6x13") which is 1:1 with the throat area of the Khorn. I have also tried the Eminence 4 Ohm "C" but it proved unworthy in a horn, but would work especially for a sub-woofer, IME. I also tried both slot sizes to no avail. However, there is ample evidence that PWK was specifically after lower vc impedance for his horn, as he mentioned it in an article as being something that he wanted when asked about driver selection (Article was posted by Gil in Tech Questions). I quoted the article before, but can't find it now, the "search" function doesn't seem to work... In the case of non-K33E drivers, it is reasonable to prevent undue physical resistance to the cone by an overly restrictive slot size in the case of a higher vc impedance rating in particular when the narrower slot's frequency-limiting aspects are not desirable. Although modern testing indicates that the overall change of the impedance raises the K33E to an average of approx. 6.2 Ohms in a Khorn, it has been stated that the horn-loaded impedance "makes the vc appear to be 16 Ohms due to the excellent horn loading" (How to Build Loudspeaker Enclosures, Badmaeiff and Davis, W.L.Sams Publishing, 1978, Chapter 8). DM Quote Link to comment Share on other sites More sharing options...
D-MAN Posted May 12, 2005 Share Posted May 12, 2005 Actually, I guess the slot size changed to the narrow version for the K33-B (CTS) in 1961 not the E (Eminence change, 1970's). Also, a narrower slot does not increase upper bandpass, it decreases (or restricts) it; everyone involved below SHOULD have known better... The general rule of thumb is, the wider the slot, the higher the crossover point can be... But none of this expains the 4 Ohm drivers, per se. DM Quote Link to comment Share on other sites More sharing options...
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