• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Blue glowing tube

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DaveInVA

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Joined 2002
braveknight.com
I love the sound from them, they seem to mate well with tube amps also. The ones I built are usable to 200hz. Wrap around cancellation starts at about 800hz so its pretty flat above that. I built a tube crossover with a "tilt" circuit to offset the wrap around cancellation so I didnt have to use any passive crossover parts like most commercial ESLs. I have owned many commercial ESl's in the past and decided it was time to build my own. Below 200hz I cross them over to line arrays of ScanSpeak revelators. I tried a dipolar sub with 4 - Peerless 12's a side but it was still to wimpy even though it was very tight and clean at low volume. I am VERY happy with the sound of the ESL's, the midrange is so clean and detailed its amazing...Some commercial ESls like the Martin Logan CLS's can go down under 50 hz....

Dave
 
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