Carver TFM amps for ESL's ??

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Sorry to hear about your bad luck CharlieM.
I feel for you, this past weekend I had a friends LINN LP12 at my place, I had the platter in my hand and turned it over and the inner platter fell out and hit the floor shearing the bearing shaft right off.
Can you say ouch!!!:bawling: :bawling:
 
Ouch, Ktuuri

Ouch that hurts... (LINN owner still a friend?)

Update on the BIG GOOF:
I butted the pieces together and stitched it up with tack-welds every inch or so, then did some hammer and dolly work on it. It's... let's say "less than perfectly flat" but I may try it anyway (nothing more to lose now).


:(
 
Yes, got pics

Hi Tosh,

Yes, I took pics during the build. Give me an email address and I will be happy to send pics and even Delta Cad drawings if you want. I finished the project back in July and I still love the results. They are very attractive speakers with gorgeous bass and the ESL panels sound great and it all blends very well. I'm bi-amping using a DBX active crossover (@380 Hz) and a pair of Carver TFM-25's.

Charlie
jazzman1953@gmail.com
 
Pics

OK... I hope I did this right:
The pics show my "beam spitter" ESL speakers. The bass cabinets are 9-ft transmission lines with a "V" splitter to deflect the esl's backwave out the open sides. I wanted the low/clean bass you only get from a transmission line but I also wanted the woofer under the esl's in the same cabinet --- the beam splitter was my solution to cramming all that cabinet volume into a small footprint. The stators are 18 gauge perf steel with 6-micron diaphrams and 1/16 spacing. I think it works very well.

Charlie


http://img357.imageshack.us/img357/1020/myesl022ef1.jpg

http://img381.imageshack.us/img381/7102/esl3ji7.jpg

http://img381.imageshack.us/img381/9544/eslgrills005ny0.jpg

http://img381.imageshack.us/img381/8548/stators012ru3.jpg

http://img171.imageshack.us/img171/7867/eslmonsterbox005lb3.jpg

http://img381.imageshack.us/img381/2904/chargeringconnectionnl4.jpg

http://img78.imageshack.us/img78/7015/myesl012ha3.jpg
 
They look really nice! Do you use double sided tape to glue the diaphragm to the stators? I guess the thickness is around 1.5 mm, correct?

I see some people put silicone spots in the middle instead of your method of putting the double sided tape in the middle for the whole length of the stator. What do you think is the benefit of doing it your way rather than the other way?

Congrats on your beautiful ESL.

Wachara C.
 
Was it worth it?

> Goodness, now I see where the beam splitting is occurring. So, was it worth it? Listening impressions, compared with other ESL?
Tosh,
Since I haven't had an opportunity to audition other ESL's, I can't say how mine would compare. I suspect mine would have the nicer bass but a fully open dipole would probably create a different (better?) sound stage (I can only wonder). I did hear some smaller Martin Logan home theater speakers playing at low volume in an hi-fi store once but there were other speakers playing at the same time and I couldn't really judge their capabilities. I can say that my ESL's are faster and more detailed with warmer, less resonant bass than any of the conventional speakers I've owned (Sony UH60's, DCM Time Windows, Altec's, Klipshorns). Diana Krall's voice now rightly sounds as good as she looks and her piano has attack like you wouldn't believe. Ironically, I think my speakers' greatest weakness (narrow dispersion) is also one of it's greatest strengths. That is; they radiate laser beams of sound so you don't hear as much reflected, late arrival sounds (as with conventional speakers) which I think muddies up imaging and detail--- so, imaging and depth are almost supernatural as long as your listening position is at the focal point--- moving out of the focal point, the top end falls off sharply. A friend who heard them called them "remote earphones". OK.. they're useless as party speakers but they're magnificent if you just want to sit in the focus and listen to music.
YES, it was worth it!
 
Foam strips or dots

Wachara C.,

Thanks for your complements on my speakers. I used 3M foam foam tape .062 inches (1.5748 mm) thick. Since dots would take up less area than strips, it seems logical that dots would let more diaphragm move for greater efficiency and probably also lower the resonance frequency... both good things, especially the lowered resonance frequency. In my case, however, my stators were not quite flat (had some ripples in the metal) and with such close spacing, I figured I needed the extra bonding surface provided by the strips to help hold the stators and diaphram at 1.5 mm apart (didn't want to chance the diaphram contacting the stators at high volume levels).

I'm no expert so please seek others' advice as well.

good luck with it!

Charlie
 
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