Hello,my name is frank .I was looking through the net an came across your forum.I bought in 1997 a pair of ess amt 4"s and am in the proces of replacing the drivers ,I'm searching the net for the replacements, i completely re- finished the cabinets and have been very satisfied with their line of speakers. And have just recently purchased a pair of Transtatic 1's in great shape except for one rtr electrostatic panel is blown.They came with three RTR6 electrostatic panels, one 9"x12" KEF flat oval woofer and a 5" midrange per speaker.They are 4 ohm speakers so you need a pretty high end amp to run these babys, recommended power is 60 watt rms min stable into reactive loads and they will handle greater than 650 watts musical peaks without distortion and they are fuse protected.They are 42x20x16 and very heavy 110 lbs per speaker.I run them with a Dynaco st400 amp, 200 watts per channel and these guys sound awesome to say the least, I would recommend that if any one comes across a pair of these rare brutes do not hesitate to purchase them.I know for me i own the last pair of speakers i'll ever purchase. And if any one knows where i can buy a replacement rtr6 panel please e-mail me and let me know.And in case you,re wondering who i bought these from is the same person i got the amt4's from, for a price of $650.00 a pair, they originally sold for $1200.00 a pair in the 70's.ESS also made a top of the line system called SuperQuads which are even rarer, they cost $3000.00 apair which was a lot of money back then.Well thanks for listening and to all happy searching.And if anyone wants to they can e-mail me. Frank J. Rustay
