Schu Posted March 27, 2016 Share Posted March 27, 2016 I am wondering... is there an upgrade 2" driver to replace the k-55x in the la scala? Quote Link to comment Share on other sites More sharing options...
moray james Posted March 27, 2016 Share Posted March 27, 2016 I think that in the range used the Klipsch K55 driver is about as good as it gets short of spending large sums. I would think (just my opinion and that and five bucks will buy you a fancy coffee at Starbucks) that your time and money would be better spent on a better mid horn. A K510 or other quality modern design might be the way to go.. http://www.diysoundgroup.com/waveguides.html Quote Link to comment Share on other sites More sharing options...
Chris A Posted March 27, 2016 Share Posted March 27, 2016 IIRC, the K-55 is a one inch driver. You'll have to change out the horn too i you go to 2". I don't know of any 2" drivers with horn that has the same sensitivity and has flat FR from 400-5000 Hz without doing something to the crossover or re-EQing the midrange in some way. If you're willing to EQ by some means then there are a lot of drivers and horns that will work. The K-510 with a B&C DE750 (i.e., the "K-69") and suitable EQ would be a wonderful upgrade. The K-402 is an even bigger upgrade. Chris Quote Link to comment Share on other sites More sharing options...
babadono Posted March 27, 2016 Share Posted March 27, 2016 What about the B and C DCM50 on a eliptrac lens? Or a BMS4592mid? Like Chris and Moray have stated there is no drop in replacement. Can't go from 2" driver to 1" horn without some funky adapter that would nullify any advantage of the 2" driver IME( and prolly stick out the back of the cabinet). If you go to an eliptrac you're going to have to mod the cabinet or set it on top. Same with the K510. 1 1 Quote Link to comment Share on other sites More sharing options...
Schu Posted March 28, 2016 Author Share Posted March 28, 2016 thanks guys... i concur I suppose, I was just wondering out loud that perhaps there was something much better for not a lot of capital and drop right in. the K-55x is listed as a 2" driver on the websight.... but I have never had it off to check. Quote Link to comment Share on other sites More sharing options...
moray james Posted March 28, 2016 Share Posted March 28, 2016 it is a 2" diaphragm the exit is smaller. The K55 is a tough act to follow. 2 Quote Link to comment Share on other sites More sharing options...
Schu Posted March 28, 2016 Author Share Posted March 28, 2016 you are correct... my bad Quote Link to comment Share on other sites More sharing options...
pzannucci Posted March 28, 2016 Share Posted March 28, 2016 Bottom line is the K-55 is an excellent driver through it's range. 2" diaphragm / 1" exit. Best out there for the frequency range. If you were going to raise the crossover frequency to 500 on a La Scala you could get away with the older 250x Selenium though you would need a tweeter that could get down to 4/4.5k. This would not be a better driver on the k-400/401 for the money and experimenting on different horns with different crossovers could make it an alternative. Quote Link to comment Share on other sites More sharing options...
Groomlakearea51 Posted March 28, 2016 Share Posted March 28, 2016 thanks guys... i concur I suppose, I was just wondering out loud that perhaps there was something much better for not a lot of capital and drop right in thanks guys... i concur I suppose, I was just wondering out loud that perhaps there was something much better for not a lot of capital and drop right in. the K-55x is listed as a 2" driver on the websight.... but I have never had it off to check. The K-55 in it's iterations is great; You could go the Selenium route as referenced; but you would probably like to replace your K-77's with the CT-125 and change the crossover to the A-4500. 1 Quote Link to comment Share on other sites More sharing options...
muel Posted March 28, 2016 Share Posted March 28, 2016 Set an Eliptrac on top of your cabinet! That and the 2" BMS 4592nd-mid will give you a heck of an upgrade! http://www.fastlaneaudio.com/midrange-horns.html See that Dave also has a Fastrac that is a drop in for the Lascala but it uses the 1 inch horn. It is certainly an improvement over the stock horn but the Eliptrac is a bigger improvement. 1 Quote Link to comment Share on other sites More sharing options...
twistedcrankcammer Posted March 28, 2016 Share Posted March 28, 2016 As long as we are wondering out loud here, since my TSCM K-400 throats are 2 inch, what are the thoughts on replacing the four K-55V Drivers and K-4 manifold with K-69 drivers? An upgrade? And what about the dual K-77 motor tweeter arrangement? Roger Quote Link to comment Share on other sites More sharing options...
Chris A Posted March 28, 2016 Share Posted March 28, 2016 You've got about double the surface area in K-55 diaphragms as the single K-69-A (P.Audio BM-D750), so I don't believe that you'll hear much difference--perhaps a little less diffraction due to the elimination of the midrange driver manifold. But the harmonic distortion will be higher at higher SPL with the K-69-A due to the reduced surface area. The K-77 manifold is another issue. You might hear a difference in clarity and sparkling highs using something like a Beyma CP25 or similar. The CP25 (and CP21) have very good polars. Chris Quote Link to comment Share on other sites More sharing options...
Speakerfritz Posted March 29, 2016 Share Posted March 29, 2016 As long as we are wondering out loud here, since my TSCM K-400 throats are 2 inch, what are the thoughts on replacing the four K-55V Drivers and K-4 manifold with K-69 drivers? An upgrade? And what about the dual K-77 motor tweeter arrangement? Roger the correct substitute is the 1132 or 1133. the k-69 does not have the diaphram extension needed for a driver that is expected to handle rolloffs as low as 260hz. Quote Link to comment Share on other sites More sharing options...
Schu Posted March 30, 2016 Author Share Posted March 30, 2016 I will probably head towards a 402 at some point... Quote Link to comment Share on other sites More sharing options...
Sid K Posted January 5, 2017 Share Posted January 5, 2017 On 3/28/2016 at 8:17 AM, muel said: Set an Eliptrac on top of your cabinet! That and the 2" BMS 4592nd-mid will give you a heck of an upgrade! http://www.fastlaneaudio.com/midrange-horns.html See that Dave also has a Fastrac that is a drop in for the Lascala but it uses the 1 inch horn. It is certainly an improvement over the stock horn but the Eliptrac is a bigger improvement. Could you explain the difference in the sound between the Lascala horn and Eliptrac horn? I am currently debating on which one to get for my Khorns. The Lascala is a drop in and a little less money compared to the Eliptrac. Quote Link to comment Share on other sites More sharing options...
Sid K Posted January 5, 2017 Share Posted January 5, 2017 That question was meant for muel but I would appreciate everyone's input on this subject. Thank you all. Quote Link to comment Share on other sites More sharing options...
Don Richard Posted January 5, 2017 Share Posted January 5, 2017 Bob Crites offers the A-55G driver as an upgrade for the K-55: http://www.critesspeakers.com/k-55-replacement-the-new-a.html Quote Link to comment Share on other sites More sharing options...
muel Posted January 5, 2017 Share Posted January 5, 2017 8 hours ago, Sid K said: Could you explain the difference in the sound between the Lascala horn and Eliptrac horn? I am currently debating on which one to get for my Khorns. The Lascala is a drop in and a little less money compared to the Eliptrac. The difference from stock is about 1800 bucks. The Fastrac La Scala with the K-55 driver sounds restricted in comparison to the Eliptrac with the BMS driver. The drop in Fastrac is an improvement over the k-400 but the Eliptrac is a bigger jump. As life like as stock La Scalas sound it is a new level with the Eliptracs. Quote Link to comment Share on other sites More sharing options...
Chris A Posted January 5, 2017 Share Posted January 5, 2017 1 hour ago, muel said: The difference from stock is about 1800 bucks. That's what elliptracs cost per pair? Quote Link to comment Share on other sites More sharing options...
muel Posted January 6, 2017 Share Posted January 6, 2017 2 hours ago, Chris A said: That's what elliptracs cost per pair? Eliptracs + BMS 4592nd-mids = just shy of 1,800 as I remember. For that much they better make a difference, right?! 1 Quote Link to comment Share on other sites More sharing options...
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